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- * MalFamily: "Nanocore"
- * MalScore: 10.0
- * File Name: "Exes_fc7eecc27a709c1445b4c048ccfd5940.exe"
- * File Size: 984576
- * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
- * SHA256: "c816ed2ebd9a1e0bb73630a4f1d21d6a1e6bae78d61e0f190e2a7429c1354bdf"
- * MD5: "fc7eecc27a709c1445b4c048ccfd5940"
- * SHA1: "b29ad8f84d21b38472bb18545b246c89831e8353"
- * SHA512: "e71e600dee892ef1d6167de4483ad37e9d0141405765e8f2ccbb4b1c46e9534c5edbf3f5569cfea3084fd3350dfec6d205e8576e76a78beaea4831e53b742b73"
- * CRC32: "29851214"
- * SSDEEP: "24576:b3uANjWpNCD4lRS1KZC9XuXEdiak//rNkk2yx:KNp4EELeiW/Hx"
- * Process Execution:
- "Exes_fc7eecc27a709c1445b4c048ccfd5940.exe",
- "Exes_fc7eecc27a709c1445b4c048ccfd5940.exe",
- "schtasks.exe",
- "schtasks.exe",
- "svchost.exe",
- "WMIADAP.exe",
- "svchost.exe",
- "WmiPrvSE.exe",
- "svchost.exe"
- * Executed Commands:
- "\"C:\\Users\\user\\AppData\\Local\\Temp\\Exes_fc7eecc27a709c1445b4c048ccfd5940.exe\"",
- "\"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmpCE3E.tmp\"",
- "\"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmpF148.tmp\"",
- "\\\\?\\C:\\Windows\\system32\\wbem\\WMIADAP.EXE wmiadap.exe /F /T /R",
- "C:\\Windows\\system32\\wbem\\wmiprvse.exe -Embedding"
- * Signatures Detected:
- "Description": "Attempts to connect to a dead IP:Port (1 unique times)",
- "Details":
- "IP": "0.0.0.0:2556"
- "Description": "Creates RWX memory",
- "Details":
- "Description": "A process attempted to delay the analysis task.",
- "Details":
- "Process": "Exes_fc7eecc27a709c1445b4c048ccfd5940.exe tried to sleep 1077 seconds, actually delayed analysis time by 0 seconds"
- "Process": "svchost.exe tried to sleep 300 seconds, actually delayed analysis time by 0 seconds"
- "Description": "At least one IP Address, Domain, or File Name was found in a crypto call",
- "Details":
- "ioc": "v2.0.50727"
- "Description": "Reads data out of its own binary image",
- "Details":
- "self_read": "process: Exes_fc7eecc27a709c1445b4c048ccfd5940.exe, pid: 3040, offset: 0x00000000, length: 0x00001000"
- "self_read": "process: Exes_fc7eecc27a709c1445b4c048ccfd5940.exe, pid: 3040, offset: 0x00000100, length: 0x00000200"
- "Description": "A process created a hidden window",
- "Details":
- "Process": "Exes_fc7eecc27a709c1445b4c048ccfd5940.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmpCE3E.tmp\""
- "Process": "Exes_fc7eecc27a709c1445b4c048ccfd5940.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmpF148.tmp\""
- "Process": "svchost.exe -> \\\\?\\C:\\Windows\\system32\\wbem\\WMIADAP.EXE"
- "Description": "The binary likely contains encrypted or compressed data.",
- "Details":
- "section": "name: .rsrc, entropy: 7.45, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_SHARED|IMAGE_SCN_MEM_READ, raw_size: 0x00041600, virtual_size: 0x0004144c"
- "Description": "Executed a process and injected code into it, probably while unpacking",
- "Details":
- "Injection": "Exes_fc7eecc27a709c1445b4c048ccfd5940.exe(2272) -> Exes_fc7eecc27a709c1445b4c048ccfd5940.exe(3040)"
- "Description": "Attempts to remove evidence of file being downloaded from the Internet",
- "Details":
- "file": "C:\\Users\\user\\AppData\\Local\\Temp\\Exes_fc7eecc27a709c1445b4c048ccfd5940.exe:Zone.Identifier"
- "Description": "Attempts to execute a Living Off The Land Binary command for post exeploitation",
- "Details":
- "MITRE T1078 - schtask": "(Tactic: Execution, Persistence, Privilege Escalation)"
- "Description": "Installs itself for autorun at Windows startup",
- "Details":
- "key": "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"
- "data": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
- "Description": "Exhibits behavior characteristic of Nanocore RAT",
- "Details":
- "Description": "File has been identified by 24 Antiviruses on VirusTotal as malicious",
- "Details":
- "FireEye": "Generic.mg.fc7eecc27a709c14"
- "TrendMicro": "TrojanSpy.Win32.LOKI.SMDD.hp"
- "Symantec": "Packed.Generic.516"
- "APEX": "Malicious"
- "Avast": "Win32:Malware-gen"
- "Kaspersky": "UDS:DangerousObject.Multi.Generic"
- "DrWeb": "Trojan.PWS.Stealer.19347"
- "Invincea": "heuristic"
- "McAfee-GW-Edition": "BehavesLike.Win32.Fareit.dc"
- "Trapmine": "malicious.high.ml.score"
- "Microsoft": "Trojan:Win32/Wacatac.B!ml"
- "Endgame": "malicious (high confidence)"
- "ZoneAlarm": "UDS:DangerousObject.Multi.Generic"
- "AhnLab-V3": "Win-Trojan/Delphiless.Exp"
- "Acronis": "suspicious"
- "Cylance": "Unsafe"
- "TrendMicro-HouseCall": "TrojanSpy.Win32.LOKI.SMDD.hp"
- "Rising": "Trojan.Injector!1.AF18 (CLASSIC)"
- "SentinelOne": "DFI - Suspicious PE"
- "Fortinet": "W32/Injector.EGKJ!tr"
- "AVG": "Win32:Malware-gen"
- "Cybereason": "malicious.84d21b"
- "CrowdStrike": "win/malicious_confidence_100% (D)"
- "Qihoo-360": "HEUR/QVM05.1.B497.Malware.Gen"
- "Description": "Creates a copy of itself",
- "Details":
- "copy": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
- "Description": "Collects information to fingerprint the system",
- "Details":
- "Description": "Anomalous binary characteristics",
- "Details":
- "anomaly": "Timestamp on binary predates the release date of the OS version it requires by at least a year"
- * Started Service:
- * Mutexes:
- "Global\\CLR_CASOFF_MUTEX",
- "Global\\f629dd2f-c473-4c98-9794-bc9d13e5e221",
- "Global\\.net clr networking",
- "Global\\ADAP_WMI_ENTRY",
- "Global\\RefreshRA_Mutex",
- "Global\\RefreshRA_Mutex_Lib",
- "Global\\RefreshRA_Mutex_Flag"
- * Modified Files:
- "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat",
- "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
- "C:\\Users\\user\\AppData\\Local\\Temp\\tmpCE3E.tmp",
- "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\task.dat",
- "C:\\Users\\user\\AppData\\Local\\Temp\\tmpF148.tmp",
- "C:\\Windows\\sysnative\\Tasks\\DSL Subsystem",
- "C:\\Windows\\sysnative\\Tasks\\DSL Subsystem Task",
- "\\Device\\LanmanDatagramReceiver",
- "C:\\Windows\\sysnative\\Tasks\\Microsoft\\Windows Defender\\MP Scheduled Scan",
- "C:\\Windows\\SoftwareDistribution\\DataStore\\DataStore.edb",
- "C:\\Windows\\SoftwareDistribution\\DataStore\\Logs\\edb.chk",
- "C:\\Windows\\sysnative\\wbem\\Performance\\WmiApRpl_new.h",
- "C:\\Windows\\sysnative\\wbem\\Performance\\WmiApRpl.h",
- "C:\\Windows\\sysnative\\wbem\\Performance\\WmiApRpl_new.ini",
- "\\??\\PIPE\\samr",
- "C:\\Windows\\sysnative\\wbem\\repository\\WRITABLE.TST",
- "C:\\Windows\\sysnative\\wbem\\repository\\MAPPING1.MAP",
- "C:\\Windows\\sysnative\\wbem\\repository\\MAPPING2.MAP",
- "C:\\Windows\\sysnative\\wbem\\repository\\MAPPING3.MAP",
- "C:\\Windows\\sysnative\\wbem\\repository\\OBJECTS.DATA",
- "C:\\Windows\\sysnative\\wbem\\repository\\INDEX.BTR",
- "\\??\\pipe\\PIPE_EVENTROOT\\CIMV2WMI SELF-INSTRUMENTATION EVENT PROVIDER",
- "\\??\\pipe\\PIPE_EVENTROOT\\CIMV2PROVIDERSUBSYSTEM",
- "\\??\\WMIDataDevice"
- * Deleted Files:
- "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
- "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\DSL Subsystem\\dslss.exe",
- "C:\\Users\\user\\AppData\\Local\\Temp\\tmpCE3E.tmp",
- "C:\\Users\\user\\AppData\\Local\\Temp\\tmpF148.tmp",
- "C:\\Users\\user\\AppData\\Local\\Temp\\Exes_fc7eecc27a709c1445b4c048ccfd5940.exe:Zone.Identifier",
- "C:\\Windows\\Tasks\\DSL Subsystem.job",
- "C:\\Windows\\Tasks\\DSL Subsystem Task.job",
- "C:\\Windows\\sysnative\\Tasks\\Microsoft\\Windows Defender\\MpIdleTask",
- "C:\\Windows\\sysnative\\Tasks\\Microsoft\\Windows Defender\\MP Scheduled Scan",
- "C:\\Windows\\SoftwareDistribution\\DataStore\\Logs\\edbtmp.log",
- "C:\\Windows\\sysnative\\wbem\\Performance\\WmiApRpl.h",
- "C:\\Windows\\sysnative\\wbem\\Performance\\WmiApRpl_new.h"
- * Modified Registry Keys:
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\013AB725-34CC-4825-A9C6-B88634A6FC0E\\Path",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\013AB725-34CC-4825-A9C6-B88634A6FC0E\\Hash",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Id",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Index",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\013AB725-34CC-4825-A9C6-B88634A6FC0E\\Triggers",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\C4A16B32-1AB1-4B4D-8B4E-AB40140A3A25\\Path",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\C4A16B32-1AB1-4B4D-8B4E-AB40140A3A25\\Hash",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem Task\\Id",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem Task\\Index",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\C4A16B32-1AB1-4B4D-8B4E-AB40140A3A25\\Triggers",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\LastServiceStart",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\PreviousServiceShutdown",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\ProcessID",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\E24F2E66-AE41-49A6-8FD9-37658C43A7CD\\Path",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\E24F2E66-AE41-49A6-8FD9-37658C43A7CD\\Hash",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\Microsoft\\Windows Defender\\MP Scheduled Scan\\Id",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\Microsoft\\Windows Defender\\MP Scheduled Scan\\Index",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\E24F2E66-AE41-49A6-8FD9-37658C43A7CD\\Triggers",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\E24F2E66-AE41-49A6-8FD9-37658C43A7CD\\DynamicInfo",
- "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Wbem\\Transports\\Decoupled\\Server",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\Transports\\Decoupled\\Server\\CreationTime",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\Transports\\Decoupled\\Server\\MarshaledProxy",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\Transports\\Decoupled\\Server\\ProcessIdentifier",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\ConfigValueEssNeedsLoading",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\List of event-active namespaces",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\ESS\\//./root/CIMV2\\SCM Event Provider",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\IDE\\DiskVBOX_HARDDISK___________________________1.0_____\\5&33d1638a&0&0.0.0_0-00000000-0000-0000-0000-000000000000",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\advapi32.dllMofResourceName",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\en-US\\advapi32.dll.muiMofResourceName",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\drivers\\ACPI.sysACPIMOFResource",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\drivers\\en-US\\ACPI.sys.muiACPIMOFResource",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\drivers\\ndis.sysMofResourceName",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\drivers\\en-US\\ndis.sys.muiMofResourceName",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\DRIVERS\\mssmbios.sysMofResource",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\DRIVERS\\en-US\\mssmbios.sys.muiMofResource",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\DRIVERS\\HDAudBus.sysHDAudioMofName",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\DRIVERS\\en-US\\HDAudBus.sys.muiHDAudioMofName",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\DRIVERS\\intelppm.sysPROCESSORWMI",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\DRIVERS\\en-US\\intelppm.sys.muiPROCESSORWMI",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\System32\\Drivers\\portcls.SYSPortclsMof",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\System32\\Drivers\\en-US\\portcls.SYS.muiPortclsMof",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\DRIVERS\\monitor.sysMonitorWMI"
- * Deleted Registry Keys:
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job.fp",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem Task.job",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem Task.job.fp",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\LastServiceStart",
- "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\WDM\\C:\\Windows\\system32\\DRIVERS\\monitor.sysMonitorWMI"
- * DNS Communications:
- "type": "A",
- "request": "99grams.ddns.net",
- "answers":
- "data": "0.0.0.0",
- "type": "A"
- * Domains:
- "ip": "0.0.0.0",
- "domain": "99grams.ddns.net"
- * Network Communication - ICMP:
- * Network Communication - HTTP:
- * Network Communication - SMTP:
- * Network Communication - Hosts:
- * Network Communication - IRC:
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