Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/03/2025, 03:58

General

  • Target

    JaffaCakes118_3696b0bc52372480786fc82e9a40ee3a.exe

  • Size

    802KB

  • MD5

    3696b0bc52372480786fc82e9a40ee3a

  • SHA1

    5abc4082d640549636a1874a1e370d2ccd66e428

  • SHA256

    331ee2f4d2b3be0e3b88cf223b43313104c030659607fed74dd8c43ffcdab88d

  • SHA512

    fca575df857de0b2df8b4219f095dd9f1c742130637296916e0fd87ed9f59c9473a58b0fb8efe23a258d6a2a64c311fcdff422fe04c9aaed67eb1cb6aeb5ad06

  • SSDEEP

    12288:DPikU7IOvVeFoZq6jlb+kvwKzTe6bJ17VLQTx:DPikUJvL5vw89b2

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

billonairgamble.serveblog.net:1806

Mutex

DC_MUTEX-6K0ZM1M

Attributes
  • gencode

    PivnwSb2eiUN

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

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
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 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 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3696b0bc52372480786fc82e9a40ee3a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3696b0bc52372480786fc82e9a40ee3a.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\AppLaunch\Winserv.exe
      C:\Users\Admin\AppData\Local\Temp\\AppLaunch\Winserv.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:2944
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\AppLaunch\Winserv.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\AppLaunch\Winserv.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2780
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\AppLaunch" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1944
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\AppLaunch" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2772
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\AppLaunch\Winserv.exe

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/2452-31-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2452-59-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2820-27-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-1-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-2-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-3-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-62-0x0000000074330000-0x00000000748DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2820-0-0x0000000074331000-0x0000000074332000-memory.dmp

    Filesize

    4KB

  • memory/2944-60-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-24-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-25-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-14-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-13-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-16-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-12-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-30-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-61-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2944-28-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/2944-10-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-22-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-15-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-63-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-64-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-65-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-66-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-67-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-68-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-69-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-70-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-71-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-72-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-73-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-74-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-75-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-76-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB