Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-03-2024 23:42

General

  • Target

    2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe

  • Size

    47KB

  • MD5

    d78c4af850c18ebb5103d060fe6e59a9

  • SHA1

    3baa93f60ee56478f7e148c029dda7db971af59d

  • SHA256

    712ceeedba3f8d35dd15c5c140f7b34c811aec04d7a0e844de0465484dd7a010

  • SHA512

    772c349c7f187da0ee903dd60836dfaf07af13cc39b4b77a7ec4293d49e8ff585be67e6a851226b5c892e4336ed5229d64d0e577263b8ddd2389806bc42970ea

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556BlvE:X6QFElP6n+gJQMOtEvwDpjB0GIWSlvE

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\2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-18_d78c4af850c18ebb5103d060fe6e59a9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    47KB

    MD5

    4eb63c5efe02b106ffdb23ecb231fd6c

    SHA1

    2d7b1795d532423a13f47fd36e7f80a5ee46228f

    SHA256

    dc9a80836563d95c45c7158f1d7a901bd85eccc8e2d57e23ddb2f4f4fd43a359

    SHA512

    17b6ef0d8e0f6e0571e4d4e2731567f7aa734aa5edd414173ee266ff04a76b9ec3f9684faa186e9fa9582f6c7d1790134c27afbba3e56070db63fc255357e7c4

  • memory/2112-16-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/2112-15-0x00000000004B0000-0x00000000004B6000-memory.dmp

    Filesize

    24KB

  • memory/2228-0-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2228-1-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2228-8-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB