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Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2023, 16:49

General

  • Target

    b8133cd23e0339exeexeexeex.exe

  • Size

    56KB

  • MD5

    b8133cd23e0339622a9d309b26fc225e

  • SHA1

    e3acd917e320e6f23f89b8a04b2c3b00c9ce5471

  • SHA256

    1986f11c4b5a340f414945161f10ee2fea891bf5a51380e5c60198a7fba74fea

  • SHA512

    f66806ba460ca66dfafdec5ca5cd648278d532edd4b257aa84601f2e9fa131b06b3c326a2eb081d9dc83f4a8cd143c3a9a98c1c66b05fe0c9aa605d8eca41f9e

  • SSDEEP

    1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzp0oj67JC:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7U

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8133cd23e0339exeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\b8133cd23e0339exeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Users\Admin\AppData\Local\Temp\hurok.exe
      "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      PID:4588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    57KB

    MD5

    7ccc1ae81be8f4553d3563be5534f89e

    SHA1

    31e7897bc17d6fdf256cafc3f793a7bd3882ddc4

    SHA256

    4d2b202b232754557b672e3c92c2fbcd33d410268d3dc8ed2720b034496eaca1

    SHA512

    605b3a904aff9ca4a024e5e1c18eaba40c9c23dc64b3cd502c01e1ba34cf3559dd64b66c8bd32060d4d9615e953635abcda11362616c929adea7ae0598ff620c

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

    Filesize

    57KB

    MD5

    7ccc1ae81be8f4553d3563be5534f89e

    SHA1

    31e7897bc17d6fdf256cafc3f793a7bd3882ddc4

    SHA256

    4d2b202b232754557b672e3c92c2fbcd33d410268d3dc8ed2720b034496eaca1

    SHA512

    605b3a904aff9ca4a024e5e1c18eaba40c9c23dc64b3cd502c01e1ba34cf3559dd64b66c8bd32060d4d9615e953635abcda11362616c929adea7ae0598ff620c

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

    Filesize

    57KB

    MD5

    7ccc1ae81be8f4553d3563be5534f89e

    SHA1

    31e7897bc17d6fdf256cafc3f793a7bd3882ddc4

    SHA256

    4d2b202b232754557b672e3c92c2fbcd33d410268d3dc8ed2720b034496eaca1

    SHA512

    605b3a904aff9ca4a024e5e1c18eaba40c9c23dc64b3cd502c01e1ba34cf3559dd64b66c8bd32060d4d9615e953635abcda11362616c929adea7ae0598ff620c

  • memory/3936-133-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/3936-134-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB