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Analysis

  • max time kernel
    158s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/11/2023, 22:03

General

  • Target

    46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d.dll

  • Size

    74KB

  • MD5

    45f8d8d63b31cd02fc6cf4403d2fbfad

  • SHA1

    431da6e0aa9b524f45ee6574fffa59d200b4a92d

  • SHA256

    46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d

  • SHA512

    c46762f18fa156e836eacee2acc3700855f69ddd801bc89978aa9a7a0950e40a5b53d31af250862d317c9f61bb6238506b1daa4c1f8d9078676f03a8c1859468

  • SSDEEP

    1536:Rpi13988ZAcYPxykieJBkugszIkRkAkkkp7kkkkZkiJ++9gL45+ZVYHvzf9fhsiC:Rpi1398qAcYPxykieJBkugszIkRkAkk/

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\46a09a0d189f96a58c366ff026baa4527437c2088aec83b88ad32dfd532b038d.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4400-0-0x0000000002E30000-0x0000000002E65000-memory.dmp

    Filesize

    212KB

  • memory/4400-1-0x00000000014F0000-0x00000000014F1000-memory.dmp

    Filesize

    4KB

  • memory/4400-3-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/4400-2-0x0000000010000000-0x0000000010031000-memory.dmp

    Filesize

    196KB

  • memory/4400-6-0x0000000002E70000-0x0000000002E9A000-memory.dmp

    Filesize

    168KB