Analysis

  • max time kernel
    143s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2023, 10:57

General

  • Target
    3ac1f6d92dc16fexeexe_JC.exe
  • Size 102KB
  • Sample230715-m2ncfaaf7y
  • SHA256 ca960813ce03153cc5ead752d2f889e7ff406a95ef869ef35f1ee68729e76401
  • 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\3ac1f6d92dc16fexeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\3ac1f6d92dc16fexeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4616
    • 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:3016

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 102KB
        • SHA256 d961a3982e2690ed36404742d175cd7678e9e3ade84f38a2ce2662d4e1921f66
        • MD5 SHA1 SHA512 SSDEEP

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 102KB
        • SHA256 d961a3982e2690ed36404742d175cd7678e9e3ade84f38a2ce2662d4e1921f66
        • MD5 SHA1 SHA512 SSDEEP

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 102KB
        • SHA256 d961a3982e2690ed36404742d175cd7678e9e3ade84f38a2ce2662d4e1921f66
        • MD5 SHA1 SHA512 SSDEEP

        misids.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misids.exe
        • Size 315B
        • SHA256 d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3
        • MD5 SHA1 SHA512

        memory/3016-152-0x00000000004E0000-0x00000000004E6000-memory.dmp

        memory/3016-153-0x0000000000510000-0x0000000000516000-memory.dmp

        memory/3016-181-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/4616-133-0x0000000000500000-0x0000000000510000-memory.dmp

        memory/4616-134-0x0000000002210000-0x0000000002216000-memory.dmp

        memory/4616-135-0x0000000002210000-0x0000000002216000-memory.dmp

        memory/4616-136-0x0000000002240000-0x0000000002246000-memory.dmp

        memory/4616-150-0x0000000000500000-0x0000000000510000-memory.dmp