Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 12:16

General

  • Target

    2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe

  • Size

    30KB

  • MD5

    d51bb7853a35bd8b238793e5e32a20fc

  • SHA1

    e604a1031875664d7d332fdf2738941da9cabc0b

  • SHA256

    86d77ae04931e2f7219c475935b8adef5f4599ab0dfee0f32f54f6d80985b847

  • SHA512

    95f5d8d3920a79cb286f7e1acf010382f57de0d6f3c132ecf92a3630715aa311a134b7c9b5a8430d2cc48c8bee338a429f08fbd86d6a2be730c4e88fe322d2fa

  • SSDEEP

    384:v0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRS/Vb9hH:vQz7yVEhs9+js1SQtOOtEvwDpjz9+9A

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).

  • 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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_d51bb7853a35bd8b238793e5e32a20fc_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:3604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    31KB

    MD5

    94d20a6cc0ad61990dbef66f1d3216e9

    SHA1

    3382d6b177a5c7807ea52aff9042e3ee36abb975

    SHA256

    e139c00991563bfe3cd07dd9abf8ac04db929f92bf8f9f8719e2ffd5a61cc34a

    SHA512

    7a62255e73ca8b72585a39dee7b84efcd286cf3f5085ada66afaa3d6eb509488af3e3f1fcfc21debb3e78f8913dd17a4fef9de63ed29c2289658dae4eb74fd8c

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2508-0-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/2508-1-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/2508-2-0x0000000002180000-0x0000000002186000-memory.dmp

    Filesize

    24KB

  • memory/3604-17-0x0000000002040000-0x0000000002046000-memory.dmp

    Filesize

    24KB

  • memory/3604-23-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB