Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 12:48

General

  • Target

    741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe

  • Size

    908KB

  • MD5

    741f2201d2eed8facfa78ef34bb86ee4

  • SHA1

    260759e0b822eaf96473eafc97b33653407c97a2

  • SHA256

    53ecb9edade4262d5837c9fa4e1bc3dfa4fee2a2d4b3469caefe1345cfdd89dc

  • SHA512

    b88503ed4716e5c6418f787784b3c9a3975e4f6600169732d7e527c9274216056c3fe17cdb7a4b91cd8db1eb6c2c14b78b1f01b495b7ac4b6768c7e6f7cf28af

  • SSDEEP

    24576:yW41lKAew2NT5TPH3iVYqPKzeon0GgfiCa5NtT:y7QNtbyVY++zxeiCu

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

gambach.zapto.org:1604

Mutex

DC_MUTEX-VGG3PBF

Attributes
  • InstallPath

    MSDCSC\svchost.exe

  • gencode

    urJ1wYnwUEW2

  • install

    true

  • offline_keylogger

    true

  • password

    0123456789

  • persistence

    true

  • reg_key

    Systemupdate

Signatures

  • Darkcomet

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3660
    • C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:3048
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 12
        3⤵
        • Program crash
        PID:1416
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3048 -ip 3048
    1⤵
      PID:1752

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\741f2201d2eed8facfa78ef34bb86ee4_JaffaCakes118.exe

      Filesize

      908KB

      MD5

      741f2201d2eed8facfa78ef34bb86ee4

      SHA1

      260759e0b822eaf96473eafc97b33653407c97a2

      SHA256

      53ecb9edade4262d5837c9fa4e1bc3dfa4fee2a2d4b3469caefe1345cfdd89dc

      SHA512

      b88503ed4716e5c6418f787784b3c9a3975e4f6600169732d7e527c9274216056c3fe17cdb7a4b91cd8db1eb6c2c14b78b1f01b495b7ac4b6768c7e6f7cf28af

    • memory/3048-4-0x0000000000400000-0x00000000004B4000-memory.dmp

      Filesize

      720KB

    • memory/3660-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

      Filesize

      4KB

    • memory/3660-1-0x00000000009A0000-0x0000000000A8A000-memory.dmp

      Filesize

      936KB

    • memory/3660-2-0x0000000005370000-0x000000000540C000-memory.dmp

      Filesize

      624KB

    • memory/3660-3-0x0000000001400000-0x000000000140A000-memory.dmp

      Filesize

      40KB