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Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2025, 15:18

General

  • Target

    21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe

  • Size

    598KB

  • MD5

    97efd8df6c2a8de9bb213cf9e9da4770

  • SHA1

    42769f9797a333f869e64f43020116536a472a68

  • SHA256

    21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77

  • SHA512

    67da72c2d11e4b9a087c4836934f2f3381bb4381ed4d0ec971344ac58a298a39e2dc491409f77f7e8800b26062244d25dae0352c2d31d82b9cc3f1bf890e8ad8

  • SSDEEP

    6144:+KWlw1DxDQASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX22:+7lw1Dxc5zfXeYU43fiysgfBnnl22

Malware Config

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Revengerat family
  • RevengeRat Executable 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe
    "C:\Users\Admin\AppData\Local\Temp\21ef6b2f98b6953a09bbd769433b107f6d06729871514576e52ac79e010d6d77N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
      C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54383721 -chipde -1037d12bdc064aa29d55ea171cf71d41 - -BLUB1 -etghbbmkqtebuoid -393560
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\OCS\etghbbmkqtebuoid.dat

    Filesize

    83B

    MD5

    78ccd4794c423281b76e4c48666e6d46

    SHA1

    4fdc19a57ec67a271f756085506cad5db8a1d46a

    SHA256

    7db6b4dcf3cbc1b76d08b059cda0233d7e79bb7a02e0d5b8fb894694e7b03ca1

    SHA512

    19d6cd4de200e7dcbb0f2d3cdc1fbd7809b2fc4df8aafeeb8fd6c854cc0b49fe7cab08ebff61c0c6f113a3cccb8be740756a4d6ac898cb779f9f191267c557a4

  • \Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe

    Filesize

    288KB

    MD5

    317ec5f92cfbf04a53e8125b66b3b4af

    SHA1

    16068b8977b4dc562ae782d91bc009472667e331

    SHA256

    7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

    SHA512

    ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

  • memory/2324-12-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

    Filesize

    4KB

  • memory/2324-14-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-15-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-16-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-17-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-18-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-19-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-20-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-21-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-22-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

    Filesize

    9.6MB