Analysis

  • max time kernel
    140s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2023, 18:35

General

  • Target
    NEAS.bd309f3c63b337dd1e416592d47ebbc0.exe
  • Size 30KB
  • Sample231016-w8fevaae3t
  • SHA256 059c0e893a3e30b66afa0e2379f7236004bdbb2dfdb2963964aae2c52b82e151
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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\NEAS.bd309f3c63b337dd1e416592d47ebbc0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.bd309f3c63b337dd1e416592d47ebbc0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Users\Admin\AppData\Local\Temp\codecupdater.exe
      "C:\Users\Admin\AppData\Local\Temp\codecupdater.exe"
      2⤵
      • Executes dropped EXE
      PID:4464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        pdf[1].enc

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\HEITGDYC\pdf[1].enc
        • Size 5B
        • SHA256 933b971c6388d594a23fa1559825db5bec8ade2db1240aa8fc9d0c684949e8c9
        • MD5 SHA1 SHA512

        codecupdater.exe

        • Path C:\Users\Admin\AppData\Local\Temp\codecupdater.exe
        • Size 30KB
        • SHA256 010f73894fd59169a30cb04cd28e7528eb5e8dd09146426b0730625b9e08da00
        • MD5 SHA1 SHA512 SSDEEP

        codecupdater.exe

        • Path C:\Users\Admin\AppData\Local\Temp\codecupdater.exe
        • Size 30KB
        • SHA256 010f73894fd59169a30cb04cd28e7528eb5e8dd09146426b0730625b9e08da00
        • MD5 SHA1 SHA512 SSDEEP

        codecupdater.exe

        • Path C:\Users\Admin\AppData\Local\Temp\codecupdater.exe
        • Size 30KB
        • SHA256 010f73894fd59169a30cb04cd28e7528eb5e8dd09146426b0730625b9e08da00
        • MD5 SHA1 SHA512 SSDEEP

        memory/4220-0-0x0000000000400000-0x0000000000407000-memory.dmp

        memory/4464-9-0x0000000000400000-0x0000000000407000-memory.dmp