Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 01:22

General

  • Target

    2024-05-23_0f56fc3cdd909395ac7f068d03c42403_cryptolocker.exe

  • Size

    44KB

  • MD5

    0f56fc3cdd909395ac7f068d03c42403

  • SHA1

    c41e9db0cba01dcd9c38638a039c3980d899ccce

  • SHA256

    8883db0a214087a94a2dfe4a2df1464c30330115bcbe6c792f8ba77ec8d226b2

  • SHA512

    c6514b2cd73127f0bb9b2952a90da4dd89b2c82c7d146623d877957204100635459234a08fd5463d0c59d1b74e2462fc2542ccc371a01d27305b62fbc772fd9d

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66Tcua:vj+jsMQMOtEvwDpj5HW5scua

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-23_0f56fc3cdd909395ac7f068d03c42403_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-23_0f56fc3cdd909395ac7f068d03c42403_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    4523173848f52d915fbf9a20080d1db4

    SHA1

    cde67a5399dea86d0a4ca3696e8eab725dc4df6c

    SHA256

    9275c066e731078ab79b84d61b0972e9f4e42e49a74eaa4cc67d034d67b29953

    SHA512

    77da2c0767265079eac3bac7a4f3d09f5b3e56e3065b27b93c0c09c44a809c5be6908ea70c1d06c89d276b2b5b72f49f0a5bc1d19987c701baa56f97e3d50801

  • memory/348-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/348-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/348-1-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2348-15-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2348-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB