Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 06:38

General

  • Target

    cb8d0a0d8790dc739c9ca82fd7ce9b6e_JaffaCakes118.exe

  • Size

    766KB

  • MD5

    cb8d0a0d8790dc739c9ca82fd7ce9b6e

  • SHA1

    44f9aef24d039cc896cab58711977b54390f2e4c

  • SHA256

    adec931baa41ac52333c242039ba2c2d5332b3d3487a28d16bc697e3f28dba56

  • SHA512

    fdad2b5538f3de78f55ddc2bb04674f13de59f43f21b30abeeb3b4a4a159635afaa1da13e125d945fc4dfc84d3569038dca517c3cbd06adcd9fc5929e0945549

  • SSDEEP

    12288:ga8gDC8CKewouXFxbtTff1A+QqMUSSp1o6dJsoJku2cOtr0wV8noakElpvtnBDne:hCuouXJZAh/Sp1omJsAycmQwV8noaVvS

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
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb8d0a0d8790dc739c9ca82fd7ce9b6e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cb8d0a0d8790dc739c9ca82fd7ce9b6e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Users\Admin\AppData\Local\Temp\cb8d0a0d8790dc739c9ca82fd7ce9b6e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\cb8d0a0d8790dc739c9ca82fd7ce9b6e_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\Users\Admin\AppData\Roaming\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost.exe"
          4⤵
          • Checks BIOS information in registry
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2588
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 2
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat

    Filesize

    119B

    MD5

    dc7d28e1bd0aabd3a9da59476a3b7d94

    SHA1

    11553d0da589f352e461d6cbee00b0ec11e8c7cf

    SHA256

    d98eff3cee66e037346343ece5051c3567e7768c4d5e209355a484ab21f664b3

    SHA512

    472c5efc036c58d671b53117e8f2920adcea4ce13eddd0971f4ba40365c29e5fcfdc339aae44e0cb3c07432865aae797d75cb8627c39c02aef4e7d85567ce34a

  • \Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    766KB

    MD5

    cb8d0a0d8790dc739c9ca82fd7ce9b6e

    SHA1

    44f9aef24d039cc896cab58711977b54390f2e4c

    SHA256

    adec931baa41ac52333c242039ba2c2d5332b3d3487a28d16bc697e3f28dba56

    SHA512

    fdad2b5538f3de78f55ddc2bb04674f13de59f43f21b30abeeb3b4a4a159635afaa1da13e125d945fc4dfc84d3569038dca517c3cbd06adcd9fc5929e0945549

  • memory/2588-48-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-36-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-38-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-57-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-44-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-56-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-55-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-54-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-53-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-49-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-42-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-45-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-40-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-39-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-52-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-51-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-41-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-46-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-47-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2588-50-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2808-27-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2808-2-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2808-4-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2808-7-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2808-5-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2808-3-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2808-6-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2872-29-0x0000000000220000-0x0000000000230000-memory.dmp

    Filesize

    64KB

  • memory/2872-30-0x0000000000220000-0x0000000000230000-memory.dmp

    Filesize

    64KB