Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 14:06

General

  • Target

    cd65090fdc970524f35f3a2b2f1595fd_JaffaCakes118.exe

  • Size

    635KB

  • MD5

    cd65090fdc970524f35f3a2b2f1595fd

  • SHA1

    1c6625d8507477abf087e825b54a099f46b04514

  • SHA256

    522f7075dae8aa960da346bfc6c5bb556c8414f2aebb3d2f55df0298b9d960d9

  • SHA512

    4b9f29a0793b80d37c7f1183755b185f33a2ceb3adea4ec521d31e3dde4ac48d7a150406ad980d5d6b7c874a29935d46908d27b6f127cdfde119ed330014074e

  • SSDEEP

    12288:npwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/4:pwAcu99lPzvxP+Bsz2XjWTRMQckkIXng

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • 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 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 48 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd65090fdc970524f35f3a2b2f1595fd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cd65090fdc970524f35f3a2b2f1595fd_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Drops file in System32 directory
    • 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:1064
    • 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:952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/952-3-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/952-4-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/952-6-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/952-11-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

    Filesize

    4KB

  • memory/952-10-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/952-9-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/952-7-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/952-5-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/952-12-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/1064-0-0x00000000022A0000-0x00000000022A1000-memory.dmp

    Filesize

    4KB

  • memory/1064-8-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB