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Analysis

  • max time kernel
    190s
  • max time network
    215s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 05:00

General

  • Target

    6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe

  • Size

    264KB

  • MD5

    19403c2cd224dc7a4a97dfd7178a2956

  • SHA1

    b764f2d45a2232c9fea85cd897eac7bc1893862a

  • SHA256

    6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef

  • SHA512

    16cea4e4111c3750d1572899d1993321de9608662c0e3092bfe4344339e78fc2a7d602d934cc32a30aac395ace982564afc08adf466ec9bf848d6fd762423eba

  • SSDEEP

    6144:39547uj9LbZR2lGM9jyPgkGOmKSU9Oo2EL:34y9xTohTLE

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

naceurhackerz.no-ip.biz:5552

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe
    "C:\Users\Admin\AppData\Local\Temp\6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3800
    • C:\Users\Admin\AppData\LocalHwLbneffYw.exe
      "C:\Users\Admin\AppData\LocalHwLbneffYw.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4788
      • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
        "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3052
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:3252

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalHwLbneffYw.exe

    Filesize

    29KB

    MD5

    d95890d8b39ece123cab2a757edbf6ca

    SHA1

    2ae55d38ac129af05a94c217a8cf05a8fb137087

    SHA256

    30529640d9a167c5a20b6e5398c21eaa98469cceb32829d6a5df5e224a38cee0

    SHA512

    1a609e483291c329798691c2152b966d4f959fca40e4dc28246d98e06c5099192e2319923b0e7827c343074bbd0facdec6d3d52edb4c68debee6f4c89b5d34db

  • C:\Users\Admin\AppData\LocalHwLbneffYw.exe

    Filesize

    29KB

    MD5

    d95890d8b39ece123cab2a757edbf6ca

    SHA1

    2ae55d38ac129af05a94c217a8cf05a8fb137087

    SHA256

    30529640d9a167c5a20b6e5398c21eaa98469cceb32829d6a5df5e224a38cee0

    SHA512

    1a609e483291c329798691c2152b966d4f959fca40e4dc28246d98e06c5099192e2319923b0e7827c343074bbd0facdec6d3d52edb4c68debee6f4c89b5d34db

  • C:\Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    29KB

    MD5

    d95890d8b39ece123cab2a757edbf6ca

    SHA1

    2ae55d38ac129af05a94c217a8cf05a8fb137087

    SHA256

    30529640d9a167c5a20b6e5398c21eaa98469cceb32829d6a5df5e224a38cee0

    SHA512

    1a609e483291c329798691c2152b966d4f959fca40e4dc28246d98e06c5099192e2319923b0e7827c343074bbd0facdec6d3d52edb4c68debee6f4c89b5d34db

  • C:\Users\Admin\AppData\Local\Temp\Trojan.exe

    Filesize

    29KB

    MD5

    d95890d8b39ece123cab2a757edbf6ca

    SHA1

    2ae55d38ac129af05a94c217a8cf05a8fb137087

    SHA256

    30529640d9a167c5a20b6e5398c21eaa98469cceb32829d6a5df5e224a38cee0

    SHA512

    1a609e483291c329798691c2152b966d4f959fca40e4dc28246d98e06c5099192e2319923b0e7827c343074bbd0facdec6d3d52edb4c68debee6f4c89b5d34db

  • memory/3052-143-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/3052-144-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/3800-132-0x00007FFEAEB20000-0x00007FFEAF556000-memory.dmp

    Filesize

    10.2MB

  • memory/4788-136-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/4788-137-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB

  • memory/4788-141-0x0000000074DE0000-0x0000000075391000-memory.dmp

    Filesize

    5.7MB