Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/12/2024, 23:59

General

  • Target
    eb0bdb02b8cf9653164975e05b5adc01d80345eea4c5513d9c886914dbfcaf46N.exe
  • Size 415KB
  • Sample241217-312rfavmcj
  • SHA256 eb0bdb02b8cf9653164975e05b5adc01d80345eea4c5513d9c886914dbfcaf46
  • MD5 SHA1 SHA512 SSDEEP

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb0bdb02b8cf9653164975e05b5adc01d80345eea4c5513d9c886914dbfcaf46N.exe
    "C:\Users\Admin\AppData\Local\Temp\eb0bdb02b8cf9653164975e05b5adc01d80345eea4c5513d9c886914dbfcaf46N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4708
    • C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
      "C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        3⤵
          PID:2892

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          ximo2ubzn1i.exe

          • Path C:\Users\Admin\AppData\Roaming\c5e4gxfvd4v\ximo2ubzn1i.exe
          • Size 415KB
          • SHA256 4ecef89da8a4a6aff6355aa0e1f8d2d50d4a328fc7065b26acc6771b88da8bb5
          • MD5 SHA1 SHA512 SSDEEP

          memory/3984-25-0x0000000075090000-0x0000000075840000-memory.dmp

          memory/3984-23-0x0000000075090000-0x0000000075840000-memory.dmp

          memory/3984-22-0x0000000075090000-0x0000000075840000-memory.dmp

          memory/3984-20-0x0000000075090000-0x0000000075840000-memory.dmp

          memory/4708-6-0x00000000053C0000-0x00000000053FC000-memory.dmp

          memory/4708-0-0x000000007509E000-0x000000007509F000-memory.dmp

          memory/4708-5-0x0000000075090000-0x0000000075840000-memory.dmp

          memory/4708-4-0x0000000005100000-0x000000000510A000-memory.dmp

          memory/4708-21-0x0000000075090000-0x0000000075840000-memory.dmp

          memory/4708-3-0x0000000005130000-0x00000000051C2000-memory.dmp

          memory/4708-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

          memory/4708-1-0x0000000000690000-0x00000000006FE000-memory.dmp