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Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2024, 01:09

General

  • Target

    7f83e96df5105f1f717e1e34915bb5d3bd0f411fbd3f4fd75433dcfee1155ca4.exe

  • Size

    3.9MB

  • MD5

    e66a7cc714310b83718173d51cc496d5

  • SHA1

    011e86f661c66ebd697bc915ea478f17d597a91b

  • SHA256

    7f83e96df5105f1f717e1e34915bb5d3bd0f411fbd3f4fd75433dcfee1155ca4

  • SHA512

    a49976acc39623ddac00d9611458de5fe66b1dda4ad3bc352902570edd619e04f52d8fd75c9be66d6c630dec1ab12bf3af191b24d2bd1336197db3f3ff66a78a

  • SSDEEP

    98304:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBAlB6D4tyX6kuT4IkQApCgvms0Cv05J5Cr:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBr

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 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 25 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 6 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 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f83e96df5105f1f717e1e34915bb5d3bd0f411fbd3f4fd75433dcfee1155ca4.exe
    "C:\Users\Admin\AppData\Local\Temp\7f83e96df5105f1f717e1e34915bb5d3bd0f411fbd3f4fd75433dcfee1155ca4.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\kwjsU.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoftt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Soundcrd.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2824
    • C:\Users\Admin\AppData\Roaming\Soundcrd.exe
      "C:\Users\Admin\AppData\Roaming\Soundcrd.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:2228
      • C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        C:\Users\Admin\AppData\Roaming\Soundcrd.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
        PID:2656
      • C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        C:\Users\Admin\AppData\Roaming\Soundcrd.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    139B

    MD5

    173bcce4810d4901872d0ef4f0bfea4e

    SHA1

    561b03fdfe68b6419fddf57f32e1aab9a6126a2f

    SHA256

    10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

    SHA512

    2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

    Filesize

    3.9MB

    MD5

    58902cead4b4012c225ff79bb12519e5

    SHA1

    b47ea162d27860fc44afd501f33c8cec53ad8077

    SHA256

    c4c3ad44fd6899131440de1af4bde97c83b137a356f344d449c90af5a0f992ea

    SHA512

    9d7d72b8e2148ce89b01f4616ca614c2e072e1c346f8dfaf313ff77d335c2ce6c4d6f9160c824dc9f82bca9b3dcf9abbac78fe2754dc5d5f7077cd58a736f81c

  • memory/2228-59-0x0000000002DA0000-0x000000000318C000-memory.dmp

    Filesize

    3.9MB

  • memory/2228-51-0x0000000002DA0000-0x000000000318C000-memory.dmp

    Filesize

    3.9MB

  • memory/2228-69-0x0000000000400000-0x00000000007EC000-memory.dmp

    Filesize

    3.9MB

  • memory/2256-43-0x0000000003750000-0x0000000003B3C000-memory.dmp

    Filesize

    3.9MB

  • memory/2256-42-0x0000000003750000-0x0000000003B3C000-memory.dmp

    Filesize

    3.9MB

  • memory/2256-44-0x0000000003750000-0x0000000003B3C000-memory.dmp

    Filesize

    3.9MB

  • memory/2256-46-0x0000000000400000-0x00000000007EC000-memory.dmp

    Filesize

    3.9MB

  • memory/2256-1-0x0000000000400000-0x00000000007EC000-memory.dmp

    Filesize

    3.9MB

  • memory/2616-66-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2616-68-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2616-74-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2616-64-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2616-67-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2656-52-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-60-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-63-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-57-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-54-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-58-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-61-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-56-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-72-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-77-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-81-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-85-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-89-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-93-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2656-97-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB