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Analysis

  • max time kernel
    33s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    09/06/2023, 14:03

General

  • Target

    tmp.exe

  • Size

    8.8MB

  • MD5

    9068a3d8251716410e5baa7c95db8755

  • SHA1

    d92d985a74a27591718ea4fe50eee965823b0ea1

  • SHA256

    64b2695097ec03c0c7538389dc46641e0db93cf91f8cc6055dcc8d76637e28e5

  • SHA512

    5d56f33340b2ee7bbb39be857d5d4c51e1e0baa460c3941406ec67b473e7556d81fd79ea0730db8abe267a74361a74c84945a8ff6ab891bab20084144167dc80

  • SSDEEP

    196608:rZt3tP7+if+Bvcm2JCQ5+PiTwq+iB/3ZvTXjcLcB2AS9YeBtOIcIvNTB:hlf+vloZA23ZvTog2FpyI

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 2 IoCs
  • Deletes itself 1 IoCs
  • 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 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      C:\Users\Admin\AppData\Local\Temp\tmp.exe
      2⤵
        PID:2044
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c del /q C:\Users\Admin\AppData\Local\Temp\tmp.exe
        2⤵
        • Deletes itself
        PID:1356

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1196-58-0x0000000010000000-0x0000000010020000-memory.dmp

      Filesize

      128KB

    • memory/1196-62-0x0000000003FA0000-0x0000000003FBE000-memory.dmp

      Filesize

      120KB