Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 22:08

General

  • Target

    a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    a9d878f8aaa7ba6371ff5c2fd9a9757e

  • SHA1

    5923c78a4f018d9a8e06b20e1dbe36ca5b3706bb

  • SHA256

    ae6081f074ea862dbcf3106092c404306d4dae061e921ce0e23ded11af2aa9b7

  • SHA512

    57af05ba2b1d656e85f1cef859d6618c43a5d17a043189cd7876e79ef7b59518167c9ae4f5b8f0fda9c0ea1f020308dd53bd3d0e7275a2c36586313ca72bda16

  • SSDEEP

    24576:CZ1xuVVjfFoynPaVBUR8f+kN1PEByXO5u9jKB:CQDgok3PlOM

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

aoooo.no-ip.biz:1604

Mutex

DC_MUTEX-Y98GGV1

Attributes
  • gencode

    cJvr4TP8WVzA

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe
      "C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2096
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2676
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3060
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2704
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe

    Filesize

    658KB

    MD5

    72c657898795e5126fdc5ee3f021f168

    SHA1

    b6e7b5a2900dd95850fc484c1e679ffb95dedc97

    SHA256

    fd66554fe90e4f39e085a857c7a9bebd71a21a5320a238f25eb6da6eaaeb3abf

    SHA512

    4b1ecad1dc7db623ec342b0aaff19984b69052f13788ffad1df079c34713e8e2057f7b88dd1ccdb4d672d8bd2dcccf7dede230096512e55e16e0d01e5a033777

  • memory/2328-42-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-46-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-44-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-49-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-11-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

  • memory/2328-48-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-43-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-53-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-45-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-52-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-54-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-51-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-41-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-50-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2328-47-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2680-38-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2680-13-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2888-39-0x000000001B0D0000-0x000000001B0E0000-memory.dmp

    Filesize

    64KB

  • memory/2888-12-0x000007FEF66FE000-0x000007FEF66FF000-memory.dmp

    Filesize

    4KB

  • memory/2888-0-0x000007FEF66FE000-0x000007FEF66FF000-memory.dmp

    Filesize

    4KB

  • memory/2888-40-0x000007FEF6440000-0x000007FEF6DDD000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-10-0x000007FEF6440000-0x000007FEF6DDD000-memory.dmp

    Filesize

    9.6MB