Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    14-04-2024 22:41

General

  • Target

    efae2dc9c812edcd76426579e516c7d3_JaffaCakes118.exe

  • Size

    3.8MB

  • MD5

    efae2dc9c812edcd76426579e516c7d3

  • SHA1

    df8acdef44d958bcec5fb64757a554cfa5bc5f14

  • SHA256

    03e15b7644a4692524bd1e5e41cb22921a5bec52191d390160b0d6de61940cdd

  • SHA512

    07bb99811d17b84ab5a11903f8623d8d84eb6e2063210630fcaa7d6fc3006317572846167e10c36f75b22ced12ac99f33f0911f87eff48fc4e7f5f2fbaf8f5ac

  • SSDEEP

    98304:vJwakG4fYrq1HJvpliCQHawbzBbGSlaUEI96kdQDanpqHrO3ndI3/lL/v7zVwwX/:vJwakG4fYrq1HJvpliCQHawbzBbGSlah

Malware Config

Signatures

  • Darkcomet

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

  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 21 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efae2dc9c812edcd76426579e516c7d3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\efae2dc9c812edcd76426579e516c7d3_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\ksUtr.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3000
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoft" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\mcsft.exe" /f
        3⤵
        • Adds Run key to start application
        PID:2580
    • C:\Users\Admin\AppData\Roaming\mcsft.exe
      "C:\Users\Admin\AppData\Roaming\mcsft.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Users\Admin\AppData\Roaming\mcsft.exe
        C:\Users\Admin\AppData\Roaming\mcsft.exe
        3⤵
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    135B

    MD5

    a5feca573884d76f559b996d45e8ad9a

    SHA1

    0e81a993f3af4e31d60653dc2513186f0495f1c8

    SHA256

    c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

    SHA512

    a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

  • C:\Users\Admin\AppData\Roaming\mcsft.exe

    Filesize

    3.8MB

    MD5

    894032fa981350555267f83d9e3bf471

    SHA1

    a72eae9c964de7d553b16cadaa2cccc7a1292a02

    SHA256

    dfa03ea5f47da608468fed069c0707164a2b70ab25fbad145619285ad843bf7e

    SHA512

    0ead4da305bef168f4e8ff09e8de421545958f5ee835f30a64c17a9170e2863f6e2b895a2905fbf82f05ccbc2a2e0f04e70be7eb6e9b604d5af004d5431f4b3e

  • memory/2516-42-0x0000000003000000-0x00000000033C9000-memory.dmp

    Filesize

    3.8MB

  • memory/2516-43-0x0000000003000000-0x00000000033C9000-memory.dmp

    Filesize

    3.8MB

  • memory/2516-45-0x0000000003000000-0x00000000033C9000-memory.dmp

    Filesize

    3.8MB

  • memory/2516-46-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB

  • memory/2516-0-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB

  • memory/2684-56-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB

  • memory/2684-48-0x0000000000400000-0x00000000007C9000-memory.dmp

    Filesize

    3.8MB

  • memory/2684-52-0x0000000002AD0000-0x0000000002E99000-memory.dmp

    Filesize

    3.8MB

  • memory/2808-58-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-66-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-53-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-60-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-61-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2808-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-63-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-65-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-64-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-57-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-68-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2808-69-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-71-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-73-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-75-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-78-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2808-80-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB