Analysis

  • max time kernel
    143s
  • max time network
    148s
  • 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, 20:34

General

  • Target

    NA_NA_36e4bc5244f7c0exeexe_JC.exe

  • Size

    50KB

  • MD5

    36e4bc5244f7c08b015b717964d61e09

  • SHA1

    ec4c4a2a4380a14438fb3d98203fad30cdd08494

  • SHA256

    849366dc69214ef6adec58531897fda4feeca0be3079f7f5af6561cbd4736ce8

  • SHA512

    f33203f6fb9362045649a3b03290cdca352fdfb4c9facdc951eee4414629fd178f088e0e07cd0d8256704dc8983d9494694db88bbc60dd2f191bf680fec2937a

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxtYOy:6j+1NMOtEvwDpjr8oxy

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_36e4bc5244f7c0exeexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_36e4bc5244f7c0exeexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3040
    • 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:4072

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\misid.exe

          Filesize

          50KB

          MD5

          b1a41c7f459040928681910a60e8d0ca

          SHA1

          18ecf13848bbd3b9016cd045bcfde77f8e3e2331

          SHA256

          47c7ba5280b70056476aa027f19d370313f549740ee650b3ea3917bbe7226a60

          SHA512

          00ce115ab7fbbae104c442fe551629663e1d183d0b3838b820d13b9ba19c63c7c076da9580fde8dc25c01133f890fd102684dad049390684724e14882555e836

        • C:\Users\Admin\AppData\Local\Temp\misid.exe

          Filesize

          50KB

          MD5

          b1a41c7f459040928681910a60e8d0ca

          SHA1

          18ecf13848bbd3b9016cd045bcfde77f8e3e2331

          SHA256

          47c7ba5280b70056476aa027f19d370313f549740ee650b3ea3917bbe7226a60

          SHA512

          00ce115ab7fbbae104c442fe551629663e1d183d0b3838b820d13b9ba19c63c7c076da9580fde8dc25c01133f890fd102684dad049390684724e14882555e836

        • C:\Users\Admin\AppData\Local\Temp\misid.exe

          Filesize

          50KB

          MD5

          b1a41c7f459040928681910a60e8d0ca

          SHA1

          18ecf13848bbd3b9016cd045bcfde77f8e3e2331

          SHA256

          47c7ba5280b70056476aa027f19d370313f549740ee650b3ea3917bbe7226a60

          SHA512

          00ce115ab7fbbae104c442fe551629663e1d183d0b3838b820d13b9ba19c63c7c076da9580fde8dc25c01133f890fd102684dad049390684724e14882555e836

        • C:\Users\Admin\AppData\Local\Temp\misids.exe

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/3040-133-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/3040-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/3040-135-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/3040-136-0x0000000000660000-0x0000000000666000-memory.dmp

          Filesize

          24KB

        • memory/3040-150-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/4072-152-0x0000000000750000-0x0000000000756000-memory.dmp

          Filesize

          24KB

        • memory/4072-153-0x0000000000730000-0x0000000000736000-memory.dmp

          Filesize

          24KB

        • memory/4072-181-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB