Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 06:26

General

  • Target

    2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe

  • Size

    46KB

  • MD5

    450dbee08dd789dd6159727d6761318d

  • SHA1

    c31f983c9ca190e5e1f131f3e28adc1d9b75cc28

  • SHA256

    09d70a2bc6254b8e9c2bf00057b27b83ddc3866069e00ff5f5fda9f0155e0cd2

  • SHA512

    c2a285cf51b3a88768fbe6e0286ba22b4c05a4dd1ad0d6a80f5057da03ccf757da813a5fbfb68f6f642bee47045afce2540751117cff579d5fc4edca8d058dc5

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUknqs+ri:bm74zYcgT/EkM0ryfjdnqsZ

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\2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-05_450dbee08dd789dd6159727d6761318d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4000
    • 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:1960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    d600f2e35cbeb82c42728ea4c22049a1

    SHA1

    7defdcb8de3a2950d14fc3c22d597b21325d9f53

    SHA256

    a8b22cbe15a1f1b2afa0f38c88cb033b64e69c46144ccf1901959fc94bea8887

    SHA512

    661a150bfe2114d9515bc4d3b9500c5fc9433dd2ab8d9d872311ba22e394af613844f80374aad76ca1d0b4f65250d7ae9142f30df32c09148250031e30f8b198

  • memory/1960-25-0x0000000002D60000-0x0000000002D66000-memory.dmp

    Filesize

    24KB

  • memory/1960-19-0x0000000003010000-0x0000000003016000-memory.dmp

    Filesize

    24KB

  • memory/1960-26-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/4000-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/4000-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

    Filesize

    24KB

  • memory/4000-2-0x00000000022D0000-0x00000000022D6000-memory.dmp

    Filesize

    24KB

  • memory/4000-3-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB

  • memory/4000-17-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB