Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 06:10

General

  • Target

    14f204348c8a1092929f8de9140a61fc_JaffaCakes118.exe

  • Size

    341KB

  • MD5

    14f204348c8a1092929f8de9140a61fc

  • SHA1

    2dd400491f442384bad0a653d16a32b4890bfc88

  • SHA256

    44c4b503e0e057900c9480c6db018d3a4fd36a963bc573ed9cdeffe8d9254d70

  • SHA512

    49e9769fe5ab587baa8c5ba9c71712fb86b324fd1676057ac87e8009ae9728e672de8c92cd10dd190b39b5de353cfe1186c460ff572f4b53ffa21df1ac44f9fa

  • SSDEEP

    6144:hFtTlXtdNCMHjDIlqePRJSnteu0tGPJd4Q1FDea7ID5HCFJOZ/FrOFg:BxX7NCAjjePRkouFP8gpfJOZ9a

Malware Config

Signatures

  • Darkcomet

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14f204348c8a1092929f8de9140a61fc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\14f204348c8a1092929f8de9140a61fc_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3672
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3572
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        3⤵
          PID:2640
      • C:\Users\Admin\AppData\Local\Temp\System\lssam.exe
        "C:\Users\Admin\AppData\Local\Temp\System\lssam.exe"
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2420
        • C:\Users\Admin\AppData\Local\Temp\System\spolsv.exe
          "C:\Users\Admin\AppData\Local\Temp\System\spolsv.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4376
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4248
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              5⤵
                PID:3704
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1036,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=3948 /prefetch:8
        1⤵
          PID:2080

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\System\lssam.exe

          Filesize

          25KB

          MD5

          b347591498c2c74cc3c23597cb1f34cc

          SHA1

          27054194904202938e3e7cdb10cf2c291767fdef

          SHA256

          24ada6c187f2c3188bd3e437443822f4f87fd997d9cc8d6d4abf38ba28e8528b

          SHA512

          e365f543b667ccc9b0fe5d3e5827e4df0f0f5a72676f3e7fc498ebe2f84d67d14db54d6742fdabe9c08004c6dce76d7befeac6b3f39ba1163663ae870ea973b6

        • C:\Users\Admin\AppData\Local\Temp\System\spolsv.exe

          Filesize

          341KB

          MD5

          14f204348c8a1092929f8de9140a61fc

          SHA1

          2dd400491f442384bad0a653d16a32b4890bfc88

          SHA256

          44c4b503e0e057900c9480c6db018d3a4fd36a963bc573ed9cdeffe8d9254d70

          SHA512

          49e9769fe5ab587baa8c5ba9c71712fb86b324fd1676057ac87e8009ae9728e672de8c92cd10dd190b39b5de353cfe1186c460ff572f4b53ffa21df1ac44f9fa

        • memory/2420-39-0x0000000074CC0000-0x0000000075271000-memory.dmp

          Filesize

          5.7MB

        • memory/2420-38-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

          Filesize

          4KB

        • memory/2420-26-0x0000000074CC0000-0x0000000075271000-memory.dmp

          Filesize

          5.7MB

        • memory/2420-25-0x0000000074CC0000-0x0000000075271000-memory.dmp

          Filesize

          5.7MB

        • memory/2420-24-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

          Filesize

          4KB

        • memory/2640-13-0x0000000010000000-0x000000001000F000-memory.dmp

          Filesize

          60KB

        • memory/3572-9-0x0000000000400000-0x00000000004C7000-memory.dmp

          Filesize

          796KB

        • memory/3572-7-0x0000000000400000-0x00000000004C7000-memory.dmp

          Filesize

          796KB

        • memory/3572-12-0x0000000000A00000-0x0000000000A01000-memory.dmp

          Filesize

          4KB

        • memory/3572-11-0x0000000000400000-0x00000000004C7000-memory.dmp

          Filesize

          796KB

        • memory/3572-10-0x0000000000400000-0x00000000004C7000-memory.dmp

          Filesize

          796KB

        • memory/3572-8-0x0000000000400000-0x00000000004C7000-memory.dmp

          Filesize

          796KB

        • memory/3672-35-0x0000000074CC0000-0x0000000075271000-memory.dmp

          Filesize

          5.7MB

        • memory/3672-0-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

          Filesize

          4KB

        • memory/3672-36-0x0000000074CC2000-0x0000000074CC3000-memory.dmp

          Filesize

          4KB

        • memory/3672-37-0x0000000074CC0000-0x0000000075271000-memory.dmp

          Filesize

          5.7MB

        • memory/3672-2-0x0000000074CC0000-0x0000000075271000-memory.dmp

          Filesize

          5.7MB

        • memory/3672-1-0x0000000074CC0000-0x0000000075271000-memory.dmp

          Filesize

          5.7MB

        • memory/4248-31-0x0000000000400000-0x00000000004C7000-memory.dmp

          Filesize

          796KB

        • memory/4248-33-0x0000000000400000-0x00000000004C7000-memory.dmp

          Filesize

          796KB

        • memory/4248-32-0x0000000000400000-0x00000000004C7000-memory.dmp

          Filesize

          796KB