Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    16-11-2023 08:25

General

  • Target

    4.exe

  • Size

    140KB

  • MD5

    ab7d836418eba6d6fe1361a0fa2d5fe9

  • SHA1

    f06a883211c35eff04dbb7a514dfa894f18930df

  • SHA256

    5905f3df4ecaa755007297122337daf72f91c8b6b302e23ec1ea685f28cdaa60

  • SHA512

    eaa566c0107e43acce58230382b903dde21b59b5430ad8d332bc5e5aea52658168a97c0b6339e576a2c815df39707883d07d7e02c70420bc226c8359d8c3ecfc

  • SSDEEP

    1536:Vua+BTv3tIO8MtM+/6jRVGIk1MgHjsPGYYwOda2CqqZOIgQJb0lfjtO+vbWL8xJb:Vn+htWMtf+7GZYGVA2QJgi8xJLDoU

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4.exe
    "C:\Users\Admin\AppData\Local\Temp\4.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    PID:2580
  • C:\Windows\4.exe
    C:\Windows\4.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\4.exe
      C:\Windows\4.exe Win7
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      PID:2620

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\4.exe

    Filesize

    140KB

    MD5

    ab7d836418eba6d6fe1361a0fa2d5fe9

    SHA1

    f06a883211c35eff04dbb7a514dfa894f18930df

    SHA256

    5905f3df4ecaa755007297122337daf72f91c8b6b302e23ec1ea685f28cdaa60

    SHA512

    eaa566c0107e43acce58230382b903dde21b59b5430ad8d332bc5e5aea52658168a97c0b6339e576a2c815df39707883d07d7e02c70420bc226c8359d8c3ecfc

  • C:\Windows\4.exe

    Filesize

    140KB

    MD5

    ab7d836418eba6d6fe1361a0fa2d5fe9

    SHA1

    f06a883211c35eff04dbb7a514dfa894f18930df

    SHA256

    5905f3df4ecaa755007297122337daf72f91c8b6b302e23ec1ea685f28cdaa60

    SHA512

    eaa566c0107e43acce58230382b903dde21b59b5430ad8d332bc5e5aea52658168a97c0b6339e576a2c815df39707883d07d7e02c70420bc226c8359d8c3ecfc

  • C:\Windows\4.exe

    Filesize

    140KB

    MD5

    ab7d836418eba6d6fe1361a0fa2d5fe9

    SHA1

    f06a883211c35eff04dbb7a514dfa894f18930df

    SHA256

    5905f3df4ecaa755007297122337daf72f91c8b6b302e23ec1ea685f28cdaa60

    SHA512

    eaa566c0107e43acce58230382b903dde21b59b5430ad8d332bc5e5aea52658168a97c0b6339e576a2c815df39707883d07d7e02c70420bc226c8359d8c3ecfc

  • memory/2580-0-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB