Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2024 00:08

General

  • Target

    6e962c8259b97e2eceb079e94f3134dc042425f28ba6cfe833bc0c969cbb061b.exe

  • Size

    576KB

  • MD5

    8ad3f4862f03a3a6f3de323aa6a35773

  • SHA1

    9cc02248c1981675af5005931aeae0e323315f61

  • SHA256

    6e962c8259b97e2eceb079e94f3134dc042425f28ba6cfe833bc0c969cbb061b

  • SHA512

    072373bb7d8da44db44efda7cd3608ff1fab68d39734124caee59b9cf4ec4bcc76c72c5247faddb2726cb249b24235ec2c678c6b6379a5054a4b5cf089691314

  • SSDEEP

    12288:+NWPkHlUkErBuxQ4uzi6d6dL/yiXLzeMdK6io8levy0FhVlpzkzDDoSm:+NWPkHlUfBgpuPdWzyuDTifgyWlH

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 29 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\6e962c8259b97e2eceb079e94f3134dc042425f28ba6cfe833bc0c969cbb061b.exe
    "C:\Users\Admin\AppData\Local\Temp\6e962c8259b97e2eceb079e94f3134dc042425f28ba6cfe833bc0c969cbb061b.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\jVEpO.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2644
      • 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
        • System Location Discovery: System Language Discovery
        PID:2220
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Users\Admin\AppData\Roaming\mcsft.exe
        C:\Users\Admin\AppData\Roaming\mcsft.exe
        3⤵
        • 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 use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    135B

    MD5

    a5feca573884d76f559b996d45e8ad9a

    SHA1

    0e81a993f3af4e31d60653dc2513186f0495f1c8

    SHA256

    c98e20d46d6465febb5d29cfab51241521ea5d6cd621f5e18b9b7d6fbfac3f0f

    SHA512

    a9239648b5f15eac4d4151b6e1bdc81065eeaeb101404c2a0126f03bc87f1e6a57206bfa07a44379e9d3bba889e4497a9991ff41fb109099b01512df3dc3cbda

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

    Filesize

    576KB

    MD5

    9532f3029bf9a6089abcb93ef0a7b957

    SHA1

    175118fa6e5a4c3e5a027b8cb31ad8fcb98825cb

    SHA256

    90a85b6323d97672cfb632c4a9699f658a96596566537cceeafddff9317a9b50

    SHA512

    f9609d1c72716a43e9c71baea00624ccb7e7ae27b756648c3692385dabb95d2fad63d690aa292703c78316ec6e738ead737c5f5150564f6e37b2d8d9b11e0c7a

  • memory/2116-65-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-74-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-81-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-64-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-80-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-53-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-55-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-79-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-78-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-77-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-60-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-61-0x0000000077BD0000-0x0000000077D79000-memory.dmp

    Filesize

    1.7MB

  • memory/2116-67-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-76-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-63-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-75-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-58-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-59-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-68-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-69-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-70-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-71-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-72-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2116-73-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2772-52-0x0000000002C40000-0x0000000003008000-memory.dmp

    Filesize

    3.8MB

  • memory/2772-57-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/2772-51-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/2880-43-0x0000000003230000-0x00000000035F8000-memory.dmp

    Filesize

    3.8MB

  • memory/2880-46-0x0000000003230000-0x00000000035F8000-memory.dmp

    Filesize

    3.8MB

  • memory/2880-0-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB

  • memory/2880-66-0x0000000003230000-0x00000000035F8000-memory.dmp

    Filesize

    3.8MB

  • memory/2880-45-0x0000000000400000-0x00000000007C8000-memory.dmp

    Filesize

    3.8MB