Analysis

  • max time kernel
    63s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 16:08

General

  • Target

    079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe

  • Size

    723KB

  • MD5

    079717f4ad89d2a562d581a7d96ec2c1

  • SHA1

    c9febbe1f779fb402a29e85b8954279d09253b4e

  • SHA256

    01d6d2083ce395daa54ef71fcd535b288b76a834351df7228a133bb214460812

  • SHA512

    2713447dc599f7b2afe954a28598dc641c9c2db0ba7edb86e1dc48adacaee7daec563af8fee0e9e42df7585f4a8dff31ea574e27ef11dbcc2b641a27f2e9f096

  • SSDEEP

    12288:gFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJs:Q3nbWmJVJFwSddIXvfhqbiaxvRxq9m

Malware Config

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\079717f4ad89d2a562d581a7d96ec2c1_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:1096
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1672

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

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Downloads

  • \Users\Admin\Documents\MSDCSC\msdcsc.exe
    Filesize

    723KB

    MD5

    079717f4ad89d2a562d581a7d96ec2c1

    SHA1

    c9febbe1f779fb402a29e85b8954279d09253b4e

    SHA256

    01d6d2083ce395daa54ef71fcd535b288b76a834351df7228a133bb214460812

    SHA512

    2713447dc599f7b2afe954a28598dc641c9c2db0ba7edb86e1dc48adacaee7daec563af8fee0e9e42df7585f4a8dff31ea574e27ef11dbcc2b641a27f2e9f096

  • memory/1096-0-0x0000000000260000-0x0000000000261000-memory.dmp
    Filesize

    4KB

  • memory/1096-11-0x0000000000400000-0x00000000004C3000-memory.dmp
    Filesize

    780KB

  • memory/1672-12-0x0000000000370000-0x0000000000371000-memory.dmp
    Filesize

    4KB

  • memory/1672-13-0x0000000000400000-0x00000000004C3000-memory.dmp
    Filesize

    780KB

  • memory/1672-14-0x0000000000400000-0x00000000004C3000-memory.dmp
    Filesize

    780KB