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Analysis

  • max time kernel
    122s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Rat\Taskmg.exe
    "C:\Users\Admin\AppData\Local\Temp\Rat\Taskmg.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2124
    • 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:896

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

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

    Filesize

    2.0MB

    MD5

    a341b3a7990a811f0666bc0bedefb1dd

    SHA1

    647b053c5308b18b9202c6133b9c85c72b611760

    SHA256

    e09a30a80a3dfc9ec7357358a61227815ef7cc3ae2bd07f7587cec0dc52d8ab1

    SHA512

    9860c5bc63097c3cbfd52eb26528750eb7925488218781c55cb4244fe4a426c5c05c193b16a5ac2624dd708cfe2265d84ef864e47a3fa1c9682139b5e011da73

  • memory/896-75-0x00000000007D0000-0x00000000008D0000-memory.dmp

    Filesize

    1024KB

  • memory/896-78-0x00000000005D0000-0x0000000000608000-memory.dmp

    Filesize

    224KB

  • memory/896-80-0x0000000000560000-0x000000000058A000-memory.dmp

    Filesize

    168KB

  • memory/896-86-0x00000000007D0000-0x00000000008D0000-memory.dmp

    Filesize

    1024KB

  • memory/2124-61-0x00000000004A0000-0x00000000004CA000-memory.dmp

    Filesize

    168KB

  • memory/2124-58-0x00000000009B0000-0x00000000009E8000-memory.dmp

    Filesize

    224KB

  • memory/2124-57-0x0000000010000000-0x0000000010031000-memory.dmp

    Filesize

    196KB

  • memory/2124-73-0x0000000000320000-0x0000000000420000-memory.dmp

    Filesize

    1024KB

  • memory/2124-55-0x0000000000320000-0x0000000000420000-memory.dmp

    Filesize

    1024KB

  • memory/2124-56-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB