Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2024 21:35

General

  • Target

    2024-03-11_cbc2382a60ce63e50b3c28badb8a76c1_cryptolocker.exe

  • Size

    49KB

  • MD5

    cbc2382a60ce63e50b3c28badb8a76c1

  • SHA1

    05fd6051c7550374efb583fc1f0dc5f099b69876

  • SHA256

    7408ced6e646a00249b1908cd89a17a3afac33283da6f103bca806a6dab26c7c

  • SHA512

    5ad8a1c370a8d8715ddff44b10c63bd164272cdde3ade723bf5dacf05239be19a14dd79c099c7bae2995fe729de6e8918cbe81a88ecad36a69fcbff67791ff6d

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRkHU:6j+1NMOtEvwDpjr8hhXi0

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 5 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\2024-03-11_cbc2382a60ce63e50b3c28badb8a76c1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-11_cbc2382a60ce63e50b3c28badb8a76c1_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    7fa83cf01c2410b8ffb4f9a5a8606bc4

    SHA1

    55332cdafb19aea3a5fa117973b01d331ef24f9f

    SHA256

    e9dbd71717a9c14f4c482244d4983e63f81ece5014271333a02f0af7b4f2fc9c

    SHA512

    d5a2b0276766db55b4bdff58fc540c757be8debf909ce36bbf8511ae745e70b7d4d1e4622ecc2967d4b0699cd6b958e0b115940839a1816976a5a836bdda1848

  • memory/1996-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1996-1-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1996-2-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/1996-9-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1996-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2560-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2560-18-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2560-25-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2560-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB