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Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22/08/2024, 14:07

General

  • Target

    b7eea6971453584c9c0caec2f044108c_JaffaCakes118.exe

  • Size

    757KB

  • MD5

    b7eea6971453584c9c0caec2f044108c

  • SHA1

    28a9bd2260f89a90de8a2ed49c492f967f130c0c

  • SHA256

    28aa6312df9de132a6953f1c1ccd654e7ec6935a739cd9a35e9699b7c9740a10

  • SHA512

    9e886116eacd9e6766c192a7ef0e91d9fb67a202ba8d0552f0495657158db310dade6355d8e53ffa97708fd66da2312b16fd6ee8d5c6f8708b490737763ae331

  • SSDEEP

    12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKcNY:XAQ6Zx9cxTmOrucTIEFSpOGpNY

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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 46 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7eea6971453584c9c0caec2f044108c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b7eea6971453584c9c0caec2f044108c_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2108
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windupdt\winupdate.exe

    Filesize

    757KB

    MD5

    b7eea6971453584c9c0caec2f044108c

    SHA1

    28a9bd2260f89a90de8a2ed49c492f967f130c0c

    SHA256

    28aa6312df9de132a6953f1c1ccd654e7ec6935a739cd9a35e9699b7c9740a10

    SHA512

    9e886116eacd9e6766c192a7ef0e91d9fb67a202ba8d0552f0495657158db310dade6355d8e53ffa97708fd66da2312b16fd6ee8d5c6f8708b490737763ae331

  • memory/1944-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1944-41-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2108-2-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2108-28-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2884-38-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2884-39-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2884-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2884-34-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2884-42-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2884-40-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2884-43-0x0000000000160000-0x0000000000161000-memory.dmp

    Filesize

    4KB

  • memory/2884-45-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2884-44-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB

  • memory/2884-46-0x0000000013140000-0x000000001320F000-memory.dmp

    Filesize

    828KB