kkknng_2019-07-11_07_30.txt

* MalFamily: "Nanocore"

* MalScore: 10.0

* File Name: "kkknng"
* File Size: 1325056
* File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
* SHA256: "611e0d4dc56cbc568cdfc8de9c26a2c3fa06b8e148c2d79dd64547cbafc43317"
* MD5: "018d10181cdfda0fff4d6640a0dcc4e3"
* SHA1: "361bca49365366dcbbb5ab4a516019253e89adbe"
* SHA512: "3dbec78e1d69a149a2c4a59356dbb2cb2a01b79e912195192a0a8455b7a5f9760fb17af87fecf8289d1a847ed4f87117cd511cc72753caed0eaa6b142f810166"
* CRC32: "C515CBA5"
* SSDEEP: "24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHax447jtB3KCmO3DoPb5:gh+ZkldoPK8Yax4YZ8O38F"

* Process Execution:
    "kkknng.exe",
    "RegAsm.exe",
    "schtasks.exe",
    "schtasks.exe",
    "svchost.exe"


* Executed Commands:
    "\"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6B81.tmp\"",
    "\"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp75C3.tmp\""


* Signatures Detected:

        "Description": "Attempts to connect to a dead IP:Port (2 unique times)",
        "Details":

                "IP": "185.244.31.81:3487"


                "IP": "127.0.0.1:3487"




        "Description": "Creates RWX memory",
        "Details":


        "Description": "A process attempted to delay the analysis task.",
        "Details":

                "Process": "svchost.exe tried to sleep 253 seconds, actually delayed analysis time by 0 seconds"


                "Process": "RegAsm.exe tried to sleep 1154 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: RegAsm.exe, pid: 2972, offset: 0x00000000, length: 0x00001000"


                "self_read": "process: RegAsm.exe, pid: 2972, offset: 0x00000080, length: 0x00000200"


                "self_read": "process: RegAsm.exe, pid: 2972, offset: 0x00000178, length: 0x00000200"


                "self_read": "process: RegAsm.exe, pid: 2972, offset: 0x0000a720, length: 0x00000200"


                "self_read": "process: RegAsm.exe, pid: 2972, offset: 0x0000a73c, length: 0x00000200"




        "Description": "A process created a hidden window",
        "Details":

                "Process": "RegAsm.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6B81.tmp\""


                "Process": "RegAsm.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp75C3.tmp\""




        "Description": "The binary likely contains encrypted or compressed data.",
        "Details":

                "section": "name: .rsrc, entropy: 7.70, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x00079200, virtual_size: 0x000791c0"




        "Description": "Executed a process and injected code into it, probably while unpacking",
        "Details":

                "Injection": "kkknng.exe(1964) -> RegAsm.exe(2972)"




        "Description": "Attempts to remove evidence of file being downloaded from the Internet",
        "Details":

                "file": "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.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 34 Antiviruses on VirusTotal as malicious",
        "Details":

                "FireEye": "Generic.mg.018d10181cdfda0f"


                "McAfee": "Artemis!018D10181CDF"


                "Cylance": "Unsafe"


                "Alibaba": "Trojan:Win32/Generic.42adfbc4"


                "K7AntiVirus": "Riskware ( 0040eff71 )"


                "Invincea": "heuristic"


                "Cyren": "W32/AutoIt.IJ.gen!Eldorado"


                "Symantec": "Trojan Horse"


                "APEX": "Malicious"


                "Paloalto": "generic.ml"


                "Kaspersky": "HEUR:Trojan.Win32.Generic"


                "AegisLab": "Trojan.Win32.Generic.4!c"


                "Avast": "Win32:Malware-gen"


                "Rising": "Trojan.Win32.Agent_.sa (CLASSIC)"


                "Sophos": "Mal/Generic-S"


                "TrendMicro": "Trojan.AutoIt.CRYPTINJECT.SMA"


                "McAfee-GW-Edition": "BehavesLike.Win32.Downloader.tc"


                "Ikarus": "Win32.SuspectCrc"


                "F-Prot": "W32/AutoIt.IJ.gen!Eldorado"


                "Webroot": "W32.Malware.Gen"


                "MAX": "malware (ai score=99)"


                "Microsoft": "Backdoor:MSIL/Noancooe.C"


                "ViRobot": "Trojan.Win32.Z.Outbreak.1325056"


                "ZoneAlarm": "HEUR:Trojan.Win32.Generic"


                "GData": "Win32.Trojan.MalAutoIt.4DU70K"


                "AhnLab-V3": "Trojan/Win32.RL_AutoInj.R272810"


                "Acronis": "suspicious"


                "ESET-NOD32": "a variant of Win32/Injector.Autoit.EDA"


                "TrendMicro-HouseCall": "Trojan.AutoIt.CRYPTINJECT.SMA"


                "Tencent": "Win32.Trojan.Generic.Dld"


                "SentinelOne": "DFI - Suspicious PE"


                "Fortinet": "W32/Generic.428A31AE!tr"


                "AVG": "Win32:Malware-gen"


                "Qihoo-360": "HEUR/QVM10.2.6F9F.Malware.Gen"




        "Description": "Collects information to fingerprint the system",
        "Details":


        "Description": "Anomalous binary characteristics",
        "Details":

                "anomaly": "Actual checksum does not match that reported in PE header"





* Started Service:

* Mutexes:
    "Global\\CLR_CASOFF_MUTEX",
    "Global\\2281af99-fd5a-4c46-b486-2e78919af22e",
    "Global\\.net clr networking"


* 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\\tmp6B81.tmp",
    "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\task.dat",
    "C:\\Users\\user\\AppData\\Local\\Temp\\tmp75C3.tmp",
    "C:\\Windows\\sysnative\\Tasks\\DSL Subsystem",
    "\\Device\\LanmanDatagramReceiver",
    "C:\\Windows\\sysnative\\Tasks\\DSL Subsystem Task",
    "\\??\\PIPE\\srvsvc",
    "C:\\Windows\\SoftwareDistribution\\DataStore\\DataStore.edb",
    "C:\\Windows\\SoftwareDistribution\\DataStore\\Logs\\edb.chk"


* 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\\tmp6B81.tmp",
    "C:\\Users\\user\\AppData\\Local\\Temp\\tmp75C3.tmp",
    "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier",
    "C:\\Windows\\Tasks\\DSL Subsystem.job",
    "C:\\Windows\\Tasks\\DSL Subsystem Task.job",
    "C:\\Windows\\SoftwareDistribution\\DataStore\\Logs\\edbtmp.log"


* 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\\A1AA291B-3BCB-43BF-96F4-D85996580F80\\Path",
    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\A1AA291B-3BCB-43BF-96F4-D85996580F80\\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\\A1AA291B-3BCB-43BF-96F4-D85996580F80\\Triggers",
    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\DE543C14-A1D9-4413-98F0-656FA21C6E32\\Path",
    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\DE543C14-A1D9-4413-98F0-656FA21C6E32\\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\\DE543C14-A1D9-4413-98F0-656FA21C6E32\\Triggers",
    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\ED0D73D7-BC97-46E2-AC55-FD6EB3F72C05\\DynamicInfo"


* 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"


* DNS Communications:

* Domains:

* Network Communication - ICMP:

* Network Communication - HTTP:

* Network Communication - SMTP:

* Network Communication - Hosts:

* Network Communication - IRC: