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Analysis

  • max time kernel
    78s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2023, 23:41

General

  • Target

    d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c.exe

  • Size

    3.8MB

  • MD5

    5ee95aebf16e775840bad474169b310e

  • SHA1

    ca75074690395e0d161941facdcd87baa78abe64

  • SHA256

    d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c

  • SHA512

    bf7a894380032980b6d09cd2f4882a142266c2abc59d3c7129abb491832a1a90e58eea5317e360bcb1809a3c28898e91d0215891105d17ac786c5b55515d6a54

  • SSDEEP

    98304:/Hgr6ZAswwQkre75nMvjE+algCFxP1xjW1iPPT4M/H+ZoLaVDprZYruDhpMXAr:PIZwQG0NMLEL/xBWqT/RLaLrSiNpMXA

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Fatal Rat payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 11 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c.exe
    "C:\Users\Admin\AppData\Local\Temp\d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Users\Admin\AppData\Local\d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c.exe
      "C:\Users\Admin\AppData\Local\d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c.exe"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2384

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c.exe

    Filesize

    3.8MB

    MD5

    5ee95aebf16e775840bad474169b310e

    SHA1

    ca75074690395e0d161941facdcd87baa78abe64

    SHA256

    d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c

    SHA512

    bf7a894380032980b6d09cd2f4882a142266c2abc59d3c7129abb491832a1a90e58eea5317e360bcb1809a3c28898e91d0215891105d17ac786c5b55515d6a54

  • C:\Users\Admin\AppData\Local\d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c.exe

    Filesize

    3.8MB

    MD5

    5ee95aebf16e775840bad474169b310e

    SHA1

    ca75074690395e0d161941facdcd87baa78abe64

    SHA256

    d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c

    SHA512

    bf7a894380032980b6d09cd2f4882a142266c2abc59d3c7129abb491832a1a90e58eea5317e360bcb1809a3c28898e91d0215891105d17ac786c5b55515d6a54

  • C:\Users\Admin\AppData\Local\d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c.exe

    Filesize

    3.8MB

    MD5

    5ee95aebf16e775840bad474169b310e

    SHA1

    ca75074690395e0d161941facdcd87baa78abe64

    SHA256

    d7ca949053e70d2afd45a79ca7647fe2d595299e9a364743c49041f47a43545c

    SHA512

    bf7a894380032980b6d09cd2f4882a142266c2abc59d3c7129abb491832a1a90e58eea5317e360bcb1809a3c28898e91d0215891105d17ac786c5b55515d6a54

  • memory/1072-133-0x0000000000400000-0x0000000000D45000-memory.dmp

    Filesize

    9.3MB

  • memory/1072-134-0x0000000000400000-0x0000000000D45000-memory.dmp

    Filesize

    9.3MB

  • memory/1072-135-0x0000000000400000-0x0000000000D45000-memory.dmp

    Filesize

    9.3MB

  • memory/1072-137-0x0000000010000000-0x000000001002A000-memory.dmp

    Filesize

    168KB

  • memory/1072-151-0x0000000000400000-0x0000000000D45000-memory.dmp

    Filesize

    9.3MB

  • memory/2384-152-0x0000000000400000-0x0000000000D45000-memory.dmp

    Filesize

    9.3MB

  • memory/2384-153-0x0000000000400000-0x0000000000D45000-memory.dmp

    Filesize

    9.3MB

  • memory/2384-154-0x0000000000400000-0x0000000000D45000-memory.dmp

    Filesize

    9.3MB

  • memory/2384-161-0x0000000000400000-0x0000000000D45000-memory.dmp

    Filesize

    9.3MB