Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2024 05:53

General

  • Target

    2024-10-15_b63a50ac603994a2a1649aab2bec2fb9_cryptolocker.exe

  • Size

    47KB

  • MD5

    b63a50ac603994a2a1649aab2bec2fb9

  • SHA1

    76a11fdfc095c2f098f677e795538b17d2fd6e62

  • SHA256

    cebd190da2c5b1e6449e8bd6609ab35b664ae65623b41b873b8ce4fbcc91853c

  • SHA512

    753d49e26e73d9cf3673206ec7fc378f8c5dfc87697a6c9e49f91f7fb6e8c7e66750de6c15de2779b1bea9dc9f286a71da9e4ccd09f3602febfd23311a006ced

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUknqfJ:bm74zYcgT/EkM0ryfjdnqh

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
  • 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\2024-10-15_b63a50ac603994a2a1649aab2bec2fb9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-15_b63a50ac603994a2a1649aab2bec2fb9_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    8a7fae1a53a38392ec82df2e891c50f9

    SHA1

    a501edec020d7fc4039dd16c3b441decbb24afa0

    SHA256

    dc057dc15da18730bc90690e6acc7ab39cf86bc58b30ad0d7fe452f8f92710cc

    SHA512

    04bc61bec540a54b5de29ceaa67e96b8514df6525488d88a09e21fad870d2b0c565a47d9fae37996274e2f8c08936c483ed185fd8d2395c39e358408c8e665d5

  • memory/2852-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2852-1-0x0000000002350000-0x0000000002356000-memory.dmp

    Filesize

    24KB

  • memory/2852-2-0x0000000002350000-0x0000000002356000-memory.dmp

    Filesize

    24KB

  • memory/2852-3-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB

  • memory/2852-17-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/4604-19-0x0000000003010000-0x0000000003016000-memory.dmp

    Filesize

    24KB

  • memory/4604-25-0x0000000002020000-0x0000000002026000-memory.dmp

    Filesize

    24KB

  • memory/4604-26-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB