Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-10-2024 13:55

General

  • Target

    79f26faebf6f232fd71c2d81c400a91e_JaffaCakes118.exe

  • Size

    880KB

  • MD5

    79f26faebf6f232fd71c2d81c400a91e

  • SHA1

    2a0b954324ff364271acb04589f1cceeb3b8a713

  • SHA256

    39dd349bae7daea858678837db336d958aab66ca4f47c852ca16a45b273cb18b

  • SHA512

    1ec197da98d1f5f75be1a3fe8a91fb30db78bee52a72d8c23c7d1b3626cceab46fc85a5f236dbfc9cba65207250b6102dbbb3770c88dd36aee9e52487c1d46c2

  • SSDEEP

    12288:wqFvD1WrkIwrOqepNt0RoirD7/xNmcBH0dqhTtlN9p41zlq4uhT:wAB7IEOqBRbrDz2eU8IPuhT

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 5 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79f26faebf6f232fd71c2d81c400a91e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\79f26faebf6f232fd71c2d81c400a91e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\AppData\Local\Temp\79f26faebf6f232fd71c2d81c400a91e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\79f26faebf6f232fd71c2d81c400a91e_JaffaCakes118.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2308
      • C:\Users\Admin\AppData\Local\Temp\79f26faebf6f232fd71c2d81c400a91e_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\79f26faebf6f232fd71c2d81c400a91e_JaffaCakes118.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2736
        • C:\MSDCSC\winserv.exe
          "C:\MSDCSC\winserv.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2864
          • C:\MSDCSC\winserv.exe
            "C:\MSDCSC\winserv.exe"
            5⤵
            • Executes dropped EXE
            • Writes to the Master Boot Record (MBR)
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2076
            • C:\MSDCSC\winserv.exe
              "C:\MSDCSC\winserv.exe"
              6⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \MSDCSC\winserv.exe

    Filesize

    880KB

    MD5

    79f26faebf6f232fd71c2d81c400a91e

    SHA1

    2a0b954324ff364271acb04589f1cceeb3b8a713

    SHA256

    39dd349bae7daea858678837db336d958aab66ca4f47c852ca16a45b273cb18b

    SHA512

    1ec197da98d1f5f75be1a3fe8a91fb30db78bee52a72d8c23c7d1b3626cceab46fc85a5f236dbfc9cba65207250b6102dbbb3770c88dd36aee9e52487c1d46c2

  • memory/2076-102-0x0000000000400000-0x00000000004AE000-memory.dmp

    Filesize

    696KB

  • memory/2200-108-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2200-103-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2308-13-0x0000000000400000-0x00000000004AE000-memory.dmp

    Filesize

    696KB

  • memory/2308-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2308-3-0x0000000000400000-0x00000000004AE000-memory.dmp

    Filesize

    696KB

  • memory/2308-5-0x0000000000400000-0x00000000004AE000-memory.dmp

    Filesize

    696KB

  • memory/2308-40-0x0000000000400000-0x00000000004AE000-memory.dmp

    Filesize

    696KB

  • memory/2308-15-0x0000000000400000-0x00000000004AE000-memory.dmp

    Filesize

    696KB

  • memory/2308-7-0x0000000000400000-0x00000000004AE000-memory.dmp

    Filesize

    696KB

  • memory/2736-43-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-44-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-58-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-37-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-24-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-22-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-21-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-18-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-42-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-28-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-30-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-41-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-26-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-32-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2736-36-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/2892-0-0x0000000000400000-0x00000000004DC000-memory.dmp

    Filesize

    880KB