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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    11/03/2024, 01:08

General

  • Target

    2024-03-11_30c30ac62a29514d2806c1fcbc4909df_cryptolocker.exe

  • Size

    94KB

  • MD5

    30c30ac62a29514d2806c1fcbc4909df

  • SHA1

    656c652b9821836041a8104edffb0c69061fffe4

  • SHA256

    b56f0bde0009cec10ef756a7312bb19e67310e014fe9197174bc37e5101800fe

  • SHA512

    c46123f06624c9cc8f0e4b92e5356d83ff00218bb6ba534bda631c37c4a5ffaec9f030d295a8d8f76aee2a57e53b8f183b5f91a34ff85741520ffb2cc271e590

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpB:V6a+pOtEvwDpjtzW

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\2024-03-11_30c30ac62a29514d2806c1fcbc4909df_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-11_30c30ac62a29514d2806c1fcbc4909df_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    95KB

    MD5

    44a2b8038b17617e6b73695526ad223f

    SHA1

    fd4742da0b22a8e8c3acf0aecc7617f0f2242151

    SHA256

    66bbee1c1b82588897b6fb292da50c609cc26ffccca71fed0a312958cd14dc52

    SHA512

    a6dc82748a20538910a9a968315039436d42573b3f13dc8eed4bbc7509ecb5ffd19d3ddf33ffded29447f9a4c9d8eeba567c244ca9c8134f1997f3ee837ceea9

  • memory/1712-15-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/1712-18-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2264-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2264-1-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2264-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB