4667NanoCore_625762dc782671f3c17ab5ac38261644_exe_2019-10-10_06_30.txt

* ID: 4667
* MalFamily: "Nanocore"

* MalScore: 10.0

* File Name: "NanoCore_625762dc782671f3c17ab5ac38261644.exe"
* File Size: 1293824
* File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
* SHA256: "3ce693e4db54a1d29154d141a05cb9d604a41c12c9b25dcf54a557855fd20bff"
* MD5: "625762dc782671f3c17ab5ac38261644"
* SHA1: "d1e2b430f97605d8df43e53f8e5aac94181094e3"
* SHA512: "3ce909f6a58f7323fc3d1e9d48a7be24d154b825620cb327aecc9cec0d0f955060e77cbb46810c7b2ec3ef847012b39d1ac3036376a59204bbc6aca0c6795537"
* CRC32: "5EC75391"
* SSDEEP: "24576:LCdxte/80jYLT3U1jfsWaFlK0d/eo410SBsWa/Q:Cw80cTsjkWaFl+Mosk"

* Process Execution:
    "kQRavfOlSArXBi.exe",
    "RegAsm.exe",
    "explorer.exe"


* Executed Commands:
    "\"C:\\\\\\\\Windows\\\\\\\\Microsoft.NET\\\\\\\\Framework\\\\\\\\v2.0.50727\\\\\\\\RegAsm.exe\""


* Signatures Detected:

        "Description": "SetUnhandledExceptionFilter detected (possible anti-debug)",
        "Details":


        "Description": "Behavioural detection: Executable code extraction",
        "Details":


        "Description": "Attempts to connect to a dead IP:Port (1 unique times)",
        "Details":

                "IP_ioc": "79.134.225.119:55112 (Switzerland)"




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


        "Description": "Guard pages use detected - possible anti-debugging.",
        "Details":


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

                "Process": "RegAsm.exe tried to sleep 527 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: kQRavfOlSArXBi.exe, pid: 3880, offset: 0x00000000, length: 0x00010000"


                "self_read": "process: kQRavfOlSArXBi.exe, pid: 3880, offset: 0x00000000, length: 0x0013be00"


                "self_read": "process: RegAsm.exe, pid: 3416, offset: 0x00000000, length: 0x00001000"


                "self_read": "process: RegAsm.exe, pid: 3416, offset: 0x00000080, length: 0x00000200"


                "self_read": "process: RegAsm.exe, pid: 3416, offset: 0x00000178, length: 0x00000200"


                "self_read": "process: RegAsm.exe, pid: 3416, offset: 0x0000a720, length: 0x00000200"


                "self_read": "process: RegAsm.exe, pid: 3416, offset: 0x0000a73c, length: 0x00000200"




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

                "section": "name: .rsrc, entropy: 7.93, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x00073600, virtual_size: 0x00073524"




        "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": "Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config",
        "Details":

                "regkeyval": "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\StartPage2\\ProgramsCache"




        "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"


                "file": "C:\\Users\\user\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\difx64.lnk"


                "file": "C:\\Users\\user\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\difx64.lnk"




        "Description": "Exhibits behavior characteristic of Nanocore RAT",
        "Details":


        "Description": "File has been identified by 22 Antiviruses on VirusTotal as malicious",
        "Details":

                "FireEye": "Generic.mg.625762dc782671f3"


                "K7GW": "Trojan ( 005588361 )"


                "Invincea": "heuristic"


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


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


                "Kaspersky": "UDS:DangerousObject.Multi.Generic"


                "Paloalto": "generic.ml"


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


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


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


                "Avira": "TR/Autoit.gpbga"


                "Antiy-AVL": "Trojan/Generic.ASVCS3S.1E5"


                "Microsoft": "Trojan:Win32/CryptInject.BI!MTB"


                "Endgame": "malicious (high confidence)"


                "ZoneAlarm": "UDS:DangerousObject.Multi.Generic"


                "McAfee": "Artemis!625762DC7826"


                "Cylance": "Unsafe"


                "TrendMicro-HouseCall": "TROJ_GEN.R002H01JA19"


                "Rising": "Trojan.Obfus/Autoit!1.BD7E (CLASSIC)"


                "Fortinet": "AutoIt/Inject.EJY!tr"


                "AVG": "FileRepMalware"


                "CrowdStrike": "win/malicious_confidence_90% (W)"




        "Description": "Creates a copy of itself",
        "Details":

                "copy": "C:\\Host\\difx64\\Setup.scr"




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



* Started Service:

* Mutexes:
    "frenchy_shellcode_005",
    "Global\\CLR_PerfMon_WrapMutex",
    "Global\\CLR_CASOFF_MUTEX",
    "Global\\cf439456-b27c-4235-aa7d-b1ca80b758a0",
    "Global\\.net clr networking"


* Modified Files:
    "C:\\Host\\difx64\\Setup.scr",
    "\\??\\PIPE\\srvsvc",
    "C:\\Users\\user\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\difx64.lnk",
    "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat",
    "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"


* 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:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier"


* Modified Registry Keys:
    "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\StartPage2\\ProgramsCache",
    "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\UserAssist\\CEBFF5CD-ACE2-4F4F-9178-9926F41749EA\\Count\\1NP14R77-02R7-4R5Q-O744-2RO1NR5198O7\\pzq.rkr",
    "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\UserAssist\\CEBFF5CD-ACE2-4F4F-9178-9926F41749EA\\Count\\HRZR_PGYFRFFVBA",
    "HKEY_CURRENT_USER\\Software\\Classes\\Local Settings\\MuiCache\\2F\\52C64B7E\\LanguageList",
    "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Action Center\\Checks\\11CD958A-C507-4EF3-B3F2-5FD9DFBD2C78.check.101\\CheckSetting",
    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"


* Deleted Registry Keys:

* DNS Communications:

* Domains:

* Network Communication - ICMP:

* Network Communication - HTTP:

* Network Communication - SMTP:

* Network Communication - Hosts:

        "country_name": "Switzerland",
        "ip": "79.134.225.119",
        "inaddrarpa": "",
        "hostname": ""



* Network Communication - IRC: