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Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 23:16 UTC

General

  • Target

    cf87d7e808faec9cfd1d2dc39a80d634_JaffaCakes118.exe

  • Size

    756KB

  • MD5

    cf87d7e808faec9cfd1d2dc39a80d634

  • SHA1

    43aa7194671f56326b06df68662994e8c5b2901e

  • SHA256

    f593910c588856c47056520d2edf93ebd4bd9ae9c68205d657aac26276d65e82

  • SHA512

    cb6b840b6b3896133f0a0dda6ee836cab7b9f8ab7e790853340e079db7800636a55285b05701f9c4cc8d68db38d40a8c78c2d28566b5395a767706a1d20b66c4

  • SSDEEP

    12288:C9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hdrzm:uZ1xuVVjfFoynPaVBUR8f+kN10EB3zm

Malware Config

Extracted

Family

darkcomet

Botnet

farcry 3

C2

127.0.0.1:1604

stalker91.no-ip.org:1604

Mutex

DC_MUTEX-E9CMGU0

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    tXYkPC1ntx3C

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables Task Manager via registry modification
  • Deletes itself 1 IoCs
  • 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
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf87d7e808faec9cfd1d2dc39a80d634_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cf87d7e808faec9cfd1d2dc39a80d634_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2424
    • C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
      "C:\Windows\system32\MSDCSC\msdcsc.exe"
      2⤵
      • Modifies security service
      • Windows security bypass
      • Executes dropped EXE
      • Windows security modification
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2852

Network

  • flag-us
    DNS
    stalker91.no-ip.org
    msdcsc.exe
    Remote address:
    8.8.8.8:53
    Request
    stalker91.no-ip.org
    IN A
    Response
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 127.0.0.1:1604
    msdcsc.exe
  • 8.8.8.8:53
    stalker91.no-ip.org
    dns
    msdcsc.exe
    65 B
    125 B
    1
    1

    DNS Request

    stalker91.no-ip.org

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\MSDCSC\msdcsc.exe

    Filesize

    756KB

    MD5

    cf87d7e808faec9cfd1d2dc39a80d634

    SHA1

    43aa7194671f56326b06df68662994e8c5b2901e

    SHA256

    f593910c588856c47056520d2edf93ebd4bd9ae9c68205d657aac26276d65e82

    SHA512

    cb6b840b6b3896133f0a0dda6ee836cab7b9f8ab7e790853340e079db7800636a55285b05701f9c4cc8d68db38d40a8c78c2d28566b5395a767706a1d20b66c4

  • memory/1632-0-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/1632-29-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2424-19-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2424-4-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2852-34-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-38-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-33-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-31-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-35-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-36-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-37-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-32-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-39-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-40-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-41-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-42-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-43-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

  • memory/2852-44-0x0000000000400000-0x00000000004CA000-memory.dmp

    Filesize

    808KB

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