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Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2023, 14:52

General

  • Target

    Rat/Taskmg.exe

  • Size

    2.0MB

  • MD5

    a341b3a7990a811f0666bc0bedefb1dd

  • SHA1

    647b053c5308b18b9202c6133b9c85c72b611760

  • SHA256

    e09a30a80a3dfc9ec7357358a61227815ef7cc3ae2bd07f7587cec0dc52d8ab1

  • SHA512

    9860c5bc63097c3cbfd52eb26528750eb7925488218781c55cb4244fe4a426c5c05c193b16a5ac2624dd708cfe2265d84ef864e47a3fa1c9682139b5e011da73

  • SSDEEP

    49152:ZDPHyxkEDRNyxB69FeHkYij8jdphkygcsTuGhthoXsxZZ:ZD/mBDRNgyFeHkYiYpphkygcsTdthoX0

Malware Config

Signatures

  • FatalRat

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

  • Fatal Rat payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Rat\Taskmg.exe
    "C:\Users\Admin\AppData\Local\Temp\Rat\Taskmg.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Taskmg.exe
      "C:\Users\Admin\AppData\Local\Taskmg.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2.0MB

    MD5

    a341b3a7990a811f0666bc0bedefb1dd

    SHA1

    647b053c5308b18b9202c6133b9c85c72b611760

    SHA256

    e09a30a80a3dfc9ec7357358a61227815ef7cc3ae2bd07f7587cec0dc52d8ab1

    SHA512

    9860c5bc63097c3cbfd52eb26528750eb7925488218781c55cb4244fe4a426c5c05c193b16a5ac2624dd708cfe2265d84ef864e47a3fa1c9682139b5e011da73

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

    Filesize

    2.0MB

    MD5

    a341b3a7990a811f0666bc0bedefb1dd

    SHA1

    647b053c5308b18b9202c6133b9c85c72b611760

    SHA256

    e09a30a80a3dfc9ec7357358a61227815ef7cc3ae2bd07f7587cec0dc52d8ab1

    SHA512

    9860c5bc63097c3cbfd52eb26528750eb7925488218781c55cb4244fe4a426c5c05c193b16a5ac2624dd708cfe2265d84ef864e47a3fa1c9682139b5e011da73

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

    Filesize

    2.0MB

    MD5

    a341b3a7990a811f0666bc0bedefb1dd

    SHA1

    647b053c5308b18b9202c6133b9c85c72b611760

    SHA256

    e09a30a80a3dfc9ec7357358a61227815ef7cc3ae2bd07f7587cec0dc52d8ab1

    SHA512

    9860c5bc63097c3cbfd52eb26528750eb7925488218781c55cb4244fe4a426c5c05c193b16a5ac2624dd708cfe2265d84ef864e47a3fa1c9682139b5e011da73

  • memory/1380-137-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1380-135-0x0000000000940000-0x0000000000A40000-memory.dmp

    Filesize

    1024KB

  • memory/1380-138-0x0000000002990000-0x0000000002991000-memory.dmp

    Filesize

    4KB

  • memory/1380-134-0x0000000010000000-0x0000000010031000-memory.dmp

    Filesize

    196KB

  • memory/1380-140-0x0000000003300000-0x000000000332A000-memory.dmp

    Filesize

    168KB

  • memory/4636-158-0x0000000000710000-0x0000000000810000-memory.dmp

    Filesize

    1024KB

  • memory/4636-161-0x0000000002F00000-0x0000000002F38000-memory.dmp

    Filesize

    224KB

  • memory/4636-163-0x0000000002F70000-0x0000000002F9A000-memory.dmp

    Filesize

    168KB

  • memory/4636-168-0x0000000000710000-0x0000000000810000-memory.dmp

    Filesize

    1024KB