Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/07/2023, 15:13

General

  • Target
    NA_NA_0b6651e24a8c63exeexe_JC.exe
  • Size 64KB
  • Sample230723-sly2wsfa8y
  • SHA256 1c87536e3f37bd719c2f41f4443c21a47444f602755fb623c2fe694ea51dba54
  • 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\NA_NA_0b6651e24a8c63exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_0b6651e24a8c63exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2716
    • 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:4300

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 64KB
        • SHA256 4a3c33be226719135ba83c79b7035e5f179f63f6b3ea0d55015b968fdf65efd6
        • MD5 SHA1 SHA512 SSDEEP

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 64KB
        • SHA256 4a3c33be226719135ba83c79b7035e5f179f63f6b3ea0d55015b968fdf65efd6
        • MD5 SHA1 SHA512 SSDEEP

        misid.exe

        • Path C:\Users\Admin\AppData\Local\Temp\misid.exe
        • Size 64KB
        • SHA256 4a3c33be226719135ba83c79b7035e5f179f63f6b3ea0d55015b968fdf65efd6
        • MD5 SHA1 SHA512 SSDEEP

        misids.exe

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

        memory/2716-133-0x0000000000490000-0x0000000000493000-memory.dmp

        memory/2716-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

        memory/2716-135-0x00000000004D0000-0x00000000004D6000-memory.dmp

        memory/2716-136-0x00000000004F0000-0x00000000004F6000-memory.dmp

        memory/2716-150-0x0000000000490000-0x0000000000493000-memory.dmp

        memory/4300-153-0x00000000005A0000-0x00000000005A6000-memory.dmp

        memory/4300-152-0x00000000005D0000-0x00000000005D6000-memory.dmp