Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 01:33

General

  • Target

    1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe

  • Size

    421KB

  • MD5

    1435c8d7a0157784e181d48ea5aa24b3

  • SHA1

    dfa8c21ef3373153160a29324073fb9e875dc1fe

  • SHA256

    d4f6824fcfac08808c07fdc5127abcb1df78cb6ba4fb4689a56413b24ace19d5

  • SHA512

    b92579de58cee65f63066c2891c6aa38151d55f81973a3fff8701f0e94aae8fd14fa0fe652c0de48b1040ba2fc46a0999db6f2a1eede803db63f90f6df482b3e

  • SSDEEP

    12288:HVr5qkjoiEzoU4qjGiybs1df5WNm3C/OpRh+6cn:1ckUpUU4q3gs1dfAmoOfh+6cn

Malware Config

Extracted

Family

darkcomet

Botnet

ãÓßíä

C2

aniss1.no-ip.biz:81

Mutex

DC_MUTEX-SCE46ML

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    CQl4sBMa8TLp

  • install

    true

  • offline_keylogger

    true

  • password

    123

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1435c8d7a0157784e181d48ea5aa24b3_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Sets file to hidden
        • Views/modifies file attributes
        PID:2296
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 260
          4⤵
          • Program crash
          PID:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

    Filesize

    421KB

    MD5

    1435c8d7a0157784e181d48ea5aa24b3

    SHA1

    dfa8c21ef3373153160a29324073fb9e875dc1fe

    SHA256

    d4f6824fcfac08808c07fdc5127abcb1df78cb6ba4fb4689a56413b24ace19d5

    SHA512

    b92579de58cee65f63066c2891c6aa38151d55f81973a3fff8701f0e94aae8fd14fa0fe652c0de48b1040ba2fc46a0999db6f2a1eede803db63f90f6df482b3e

  • memory/1284-56-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/1284-1-0x0000000000680000-0x0000000000681000-memory.dmp

    Filesize

    4KB

  • memory/1284-0-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/1284-14-0x0000000004220000-0x00000000042F5000-memory.dmp

    Filesize

    852KB

  • memory/1284-13-0x0000000004220000-0x00000000042F5000-memory.dmp

    Filesize

    852KB

  • memory/2352-58-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-63-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-70-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-57-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-15-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-59-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-60-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-61-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-62-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-69-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-64-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-65-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-66-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-67-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2352-68-0x0000000000400000-0x00000000004D4150-memory.dmp

    Filesize

    848KB

  • memory/2652-55-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2652-17-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB