Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 16:29

General

  • Target

    JaffaCakes118_b9171682cddd15d71c00c2d4b4609fd0.exe

  • Size

    1.2MB

  • MD5

    b9171682cddd15d71c00c2d4b4609fd0

  • SHA1

    04f2e42481194d2f5c4b10674ceccc7e67d53a52

  • SHA256

    e3443eebe1dd00ab38ec79e59fd1dd2049086ecb0ff8daa388a2e95e3bc81668

  • SHA512

    3db805cd9e3651deb78c02b967d3a3ea6b9d33587175147a2734571c137a31f80fdfd0ccdbcdd16795af1e946595410b0503224c624eb8cb6f5a4831456cb69f

  • SSDEEP

    24576:4ACAnPRbRFqY9WKAO/slOC8yKDwQzLYs0wiGLlIjfxiGbUlvs7twfIhqX2lJevV+:4AC0TJNs9pcFvIu

Malware Config

Extracted

Family

darkcomet

Botnet

g16

C2

nasload.hopto.org:4990

Mutex

DC_MUTEX-DN5UT82

Attributes
  • gencode

    ZAEYRPsjDJAM

  • install

    false

  • offline_keylogger

    true

  • password

    ekoflash

  • persistence

    false

rc4.plain

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 1 IoCs
  • Darkcomet

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

  • Darkcomet family
  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9171682cddd15d71c00c2d4b4609fd0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9171682cddd15d71c00c2d4b4609fd0.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3384
    • C:\Users\Admin\AppData\Local\Temp\chrome.exe
      "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Users\Admin\AppData\Local\Temp\chrome.exe
        C:\Users\Admin\AppData\Local\Temp\chrome.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of UnmapMainImage
        PID:3036
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 12
          4⤵
          • Program crash
          PID:1452
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3716
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4480
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3036 -ip 3036
    1⤵
      PID:4008
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU4MTUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE1MzQzMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODU2MTQzMTgxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:4740

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\chrome.exe

      Filesize

      641KB

      MD5

      49c64108587681117d9db258514b4fa8

      SHA1

      d3070df5a82346136de0398eb24d9c179b1f96e7

      SHA256

      e1d44b5d85855f8fbcfa3dab4f2515b96ca39fd7aa6bdfdaeb98eee7c8819e68

      SHA512

      616bff9aea40266ee4271c2a360cf2d23e28a6a648f944be7450244d2c7d6c2e5c57fef28d5359c4fb4ad375183a973c7f57f62664d65ebed0891489f07a61db

    • C:\Users\Admin\AppData\Local\Temp\svchost.exe

      Filesize

      34KB

      MD5

      e118330b4629b12368d91b9df6488be0

      SHA1

      ce90218c7e3b90df2a3409ec253048bb6472c2fd

      SHA256

      3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

      SHA512

      ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

    • memory/2400-17-0x00000000744F0000-0x0000000074AA1000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-20-0x00000000744F0000-0x0000000074AA1000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-40-0x00000000744F0000-0x0000000074AA1000-memory.dmp

      Filesize

      5.7MB

    • memory/2400-34-0x00000000744F0000-0x0000000074AA1000-memory.dmp

      Filesize

      5.7MB

    • memory/3036-37-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/3384-33-0x00000000744F0000-0x0000000074AA1000-memory.dmp

      Filesize

      5.7MB

    • memory/3384-1-0x00000000744F0000-0x0000000074AA1000-memory.dmp

      Filesize

      5.7MB

    • memory/3384-2-0x00000000744F0000-0x0000000074AA1000-memory.dmp

      Filesize

      5.7MB

    • memory/3384-0-0x00000000744F2000-0x00000000744F3000-memory.dmp

      Filesize

      4KB

    • memory/3716-32-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-44-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-56-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-29-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-28-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-26-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-35-0x00000000025B0000-0x00000000025B1000-memory.dmp

      Filesize

      4KB

    • memory/3716-36-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-22-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-24-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-18-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-42-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-43-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-31-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-45-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-46-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-47-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-48-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-49-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-50-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-51-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-52-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-53-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-54-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/3716-55-0x0000000000400000-0x00000000004BA000-memory.dmp

      Filesize

      744KB

    • memory/4480-30-0x00000000005F0000-0x00000000005F1000-memory.dmp

      Filesize

      4KB