Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    02-07-2024 08:02

General

  • Target

    1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe

  • Size

    271KB

  • MD5

    1e902c033e573c6473ba566b31ec3248

  • SHA1

    3e4f67d3c8913a623285f9ee1578b9cb99e3dea1

  • SHA256

    83075480006df97f7a9c7ca0dfb8cba79512b1c79e85028fb3ce587688a81667

  • SHA512

    4d077616196f8e2934b7eb7f5f9887eba0e7c6f3b634e9ee916110fec196223f3740238ead2991836d9698496fecb56a9a5e5a9b80d8a61ee10dd59aeb5fbca9

  • SSDEEP

    6144:r895+h89b3gYspZ5xm+hN6ws6NV6z0fJwTZv0toNOp1eEokDk8y8OzVbX5n:rm5+h89b3gYm4IN6ws6DW9voakD5e

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

medoo.no-ip.org:1604

Mutex

DC_MUTEX-VE1B6UA

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    pzaEzPaCvyKl

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    ����������

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1e902c033e573c6473ba566b31ec3248_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1e902c033e573c6473ba566b31ec3248_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:2496
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      PID:2608
    • C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2576

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
    Filesize

    271KB

    MD5

    1e902c033e573c6473ba566b31ec3248

    SHA1

    3e4f67d3c8913a623285f9ee1578b9cb99e3dea1

    SHA256

    83075480006df97f7a9c7ca0dfb8cba79512b1c79e85028fb3ce587688a81667

    SHA512

    4d077616196f8e2934b7eb7f5f9887eba0e7c6f3b634e9ee916110fec196223f3740238ead2991836d9698496fecb56a9a5e5a9b80d8a61ee10dd59aeb5fbca9

  • memory/2496-0-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2496-1-0x00000000003E0000-0x00000000003E1000-memory.dmp
    Filesize

    4KB

  • memory/2496-29-0x0000000005540000-0x00000000055F7000-memory.dmp
    Filesize

    732KB

  • memory/2496-28-0x0000000005540000-0x00000000055F7000-memory.dmp
    Filesize

    732KB

  • memory/2496-36-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2608-4-0x0000000000080000-0x0000000000081000-memory.dmp
    Filesize

    4KB

  • memory/2608-20-0x0000000000220000-0x0000000000221000-memory.dmp
    Filesize

    4KB

  • memory/2712-31-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2712-35-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB