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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 08:14

General

  • Target

    2024-06-14_df93989d29d8e3524012f2aa2113f5b6_cryptolocker.exe

  • Size

    43KB

  • MD5

    df93989d29d8e3524012f2aa2113f5b6

  • SHA1

    74e5a93c91dc6ccd94e62250d25f0f391f470bcf

  • SHA256

    8537c1236275b31b2bdc629d95df6c467819791b22ae0c891fcc95c59bcd1572

  • SHA512

    fabde8d44d7a239d68ec6a4dbb1b81d0fc4bed9387473c1d82c5ef92862f8901088074fe64dbb399167c1ef0e1d759bb4db3ffcabb0218429f739a252cd64fab

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZnTV:i5nkFGMOtEvwDpjR+viHs3

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 3 IoCs
  • Detects executables built or packed with MPress PE compressor 5 IoCs
  • Checks computer location settings 2 TTPs 1 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-14_df93989d29d8e3524012f2aa2113f5b6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-14_df93989d29d8e3524012f2aa2113f5b6_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:4516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    0f0c44b48bfbb4e110351ec2c0f96a20

    SHA1

    9222edb886fa548ad386f98efe4993619bdb9672

    SHA256

    2019b052023f64fa8a0ca3f446f71122fa3abb597cd37dd453309a2244cd477d

    SHA512

    0498c29e6eb22808ac6ad280d728a8bbabf08e6b7c71d7fe54c05830fe740e08aab38912f394a11665cd176e9bb8d254c18211e70027a1c54f1761fa1c26b867

  • memory/2100-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2100-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/2100-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/2100-9-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/2100-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4516-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4516-21-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4516-26-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4516-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB