Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 18:26

General

  • Target
    Samples 1/3bb40bab103c5f34e08a2c179ea379abd37d9861d7f6ac3d56d5c0d693b4260a.exe
  • Size 39KB
  • Sample240107-w3ew5aceh9
  • SHA256 3bb40bab103c5f34e08a2c179ea379abd37d9861d7f6ac3d56d5c0d693b4260a
  • MD5 SHA1 SHA512 SSDEEP
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).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Samples 1\3bb40bab103c5f34e08a2c179ea379abd37d9861d7f6ac3d56d5c0d693b4260a.exe
    "C:\Users\Admin\AppData\Local\Temp\Samples 1\3bb40bab103c5f34e08a2c179ea379abd37d9861d7f6ac3d56d5c0d693b4260a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3208

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 40KB
        • SHA256 9fddf749e41ead8925796c9a8a81115583e75af2113a600a53eabda70bdf776b
        • MD5 SHA1 SHA512 SSDEEP

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 28KB
        • SHA256 0ab8b981380baf34dc9cde4daae6335ba341fe899c1f1cfc3a66891720ffe144
        • MD5 SHA1 SHA512 SSDEEP

        memory/3208-19-0x00000000006D0000-0x00000000006D6000-memory.dmp

        memory/3208-25-0x00000000006B0000-0x00000000006B6000-memory.dmp

        memory/4928-1-0x0000000002300000-0x0000000002306000-memory.dmp

        memory/4928-3-0x0000000002220000-0x0000000002226000-memory.dmp

        memory/4928-2-0x0000000002300000-0x0000000002306000-memory.dmp

        memory/4928-0-0x0000000000410000-0x0000000000413000-memory.dmp

        memory/4928-17-0x0000000000410000-0x0000000000413000-memory.dmp