Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 13:45

General

  • Target

    2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe

  • Size

    102KB

  • MD5

    192ab7b214d0734a83cd6ee5f3e59902

  • SHA1

    1cd356af0f80cced67dcd48219fa75b60c43703e

  • SHA256

    82c8b9587010812d9847ab1acf7a7b843dde1feb5bc2f80cfe0791ed76c3d20e

  • SHA512

    874df2fd360d5a58e912ee211306fd48c111faf2f31c3ef15e0b26b30ae23f39d4041103e7dc14c0705309dc076daa62a32ba9c6dd9d95c7f33cd414d20bafe2

  • SSDEEP

    1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviP1l:AnBdOOtEvwDpj6zl

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
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-09_192ab7b214d0734a83cd6ee5f3e59902_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3976

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          102KB

          MD5

          eda7810560b87103bac3a78b643cf5c1

          SHA1

          725a4ef471fd3138501db8fe4b0b48e9a01b605a

          SHA256

          24eb2a5fff433d44e7d9c40d4f233cd0f7eae67e296e0c118f79c27fb0eb9551

          SHA512

          c2d1b9e933932ca3827c83121926cf8b936aa39bbc43e7a44d8704faae4bc4adb0127255b4a3189b49bc22f5c396b47d45b06f069abd215a208be411cfa3e187

        • memory/2932-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2932-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/2932-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/2932-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/2932-16-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/3976-19-0x0000000000530000-0x0000000000536000-memory.dmp

          Filesize

          24KB

        • memory/3976-20-0x0000000002070000-0x0000000002076000-memory.dmp

          Filesize

          24KB

        • memory/3976-26-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB