Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 19:34

General

  • Target

    6483a476f5b7fc226ac141517cb43fdd_JaffaCakes118.exe

  • Size

    699KB

  • MD5

    6483a476f5b7fc226ac141517cb43fdd

  • SHA1

    e41fead8eed9dea0aae4cd8606169a0afbfe3f3d

  • SHA256

    6bcd9c12a11ab521d389bf16ece110af87bda26bff0068ec76e27bd9225c17e8

  • SHA512

    b0e88844e633e3defd37e3b052090bf873ffa5112bc89a9231229c3f2c9edadad73e21407f204491ddd2f38ef7ce79741813da681b3261bfec3240851e5971d0

  • SSDEEP

    12288:T2CoAv9i6/nmFmMPMj2hBLlUzBmug3+XCqyusCedzUs2CsL:Smv86/nmFmu9FujCXCedRQ

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6483a476f5b7fc226ac141517cb43fdd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6483a476f5b7fc226ac141517cb43fdd_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\iTV2HwOA\10870.exe
      "C:\Users\Admin\AppData\Local\Temp\iTV2HwOA\10870.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • Drops file in System32 directory
        PID:2756
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Checks BIOS information in registry
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\iTV2HwOA\10870.exe

    Filesize

    690KB

    MD5

    8a685635b9ed69618b0e1550c3cc9104

    SHA1

    07c9a9c4677bfcbfd2cf01acf166e3ecb7ff60a1

    SHA256

    059b78ac3e73504833f1aa1bdf953ed46474a5c940f81f8c659984ea632ec5a6

    SHA512

    919c56d0c2a675f0627aa7938217301cfaafc60548f0308c66ec796acf4b755884f024a0355ff9287af94f0341fa833b9f34f0a3fef9fd4cd2e1bb1580076ba3

  • memory/1268-18-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/1268-13-0x0000000002250000-0x0000000002251000-memory.dmp

    Filesize

    4KB

  • memory/2520-2-0x0000000075170000-0x0000000075721000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-1-0x0000000075170000-0x0000000075721000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-12-0x0000000075170000-0x0000000075721000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-0-0x0000000075172000-0x0000000075173000-memory.dmp

    Filesize

    4KB

  • memory/2756-14-0x0000000000090000-0x0000000000091000-memory.dmp

    Filesize

    4KB

  • memory/3608-17-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/3608-15-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/3608-19-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/3608-16-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/3608-21-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/3608-20-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB

  • memory/3608-22-0x0000000013140000-0x00000000131FE000-memory.dmp

    Filesize

    760KB