Analysis

  • max time kernel
    110s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 06:32

General

  • Target

    8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe

  • Size

    598KB

  • MD5

    3cfe3375a6440acd5ad9698e9f9c3ed4

  • SHA1

    2421bd1bdd605b2edc3b72574d7b560a49c4a7c7

  • SHA256

    8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801

  • SHA512

    26d8bfe6a941bbd2e1eb2fba36811e86c9eaa1af3625573beafb947ff91564869350c1d385613bbe0f506e5cfb3edff7ef2d2926f2d8817f8b0ae93683c8492b

  • SSDEEP

    6144:7KWlw1DxDGASIAfCEv2YUMNJlaJuNlK17Y4c83fhysVufBn597NX2y:77lw1DxC5zfXeYU43fiysgfBnnl2y

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\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe
    "C:\Users\Admin\AppData\Local\Temp\8b5d2c8f5e8c7b68c7517edcdddc3cee55f1bbf66a56676f15117ef6c03e9801.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe
      C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71a.exe -install -54397392 -chipde -e58599e2a8df48c3aba64a1f1aab835f - -ChromeBundle -xesondtyzbqthabw -393500
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    83B

    MD5

    c6e0ebf26d0f1e4dec2840bd80b1083b

    SHA1

    4b86a0ea0fa3fecc695e89e27d3c37cc721a74ee

    SHA256

    4f88632ace9cfa3b013b01290d9e7d1544e92d832ba8f0ce02c51813f8e665da

    SHA512

    fc0fa53da21f94fdecfa7bbd40d8c7279a3449c0779b4c35a5ffb13d7d02042d4248fbf946f9eb4c34d21217bf50d8a573091627f78f75248533a825d80d8253

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

    Filesize

    288KB

    MD5

    317ec5f92cfbf04a53e8125b66b3b4af

    SHA1

    16068b8977b4dc562ae782d91bc009472667e331

    SHA256

    7612ef3877c3e4e305a6c22941141601b489a73bc088622a40ebd93bee25bae5

    SHA512

    ed772da641a5c128677c4c285c648c1d8e539c34522b95c14f614797bb0d188571c7c257441d45598809aa3f8b4690bd53230282726e077c86c8d9fe71c1db65

  • memory/2832-12-0x000007FEF65EE000-0x000007FEF65EF000-memory.dmp

    Filesize

    4KB

  • memory/2832-13-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2832-15-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2832-16-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2832-17-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2832-18-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2832-19-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2832-20-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2832-21-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2832-22-0x000007FEF6330000-0x000007FEF6CCD000-memory.dmp

    Filesize

    9.6MB