Analysis

  • max time kernel
    144s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2024, 09:52

General

  • Target

    2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe

  • Size

    59KB

  • MD5

    aeae2330f53c7b0a5825ea160f8e34c3

  • SHA1

    bafe29d27a5dca26a3a94427507c66e6bf448132

  • SHA256

    db2da8cdadb34d108a133da8707dd53c94f9aa3fba02dff7c6e7c295d972341b

  • SHA512

    242025d5d5fe09e0163fcb127ebf909639e1d695ba8dd523dd9fccc54a1d232661a8b0908a1784300c0b7f64760cc2f03d940fe22cfe40551682baf775a33a60

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+lBOr:ZVxkGOtEvwDpjP

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 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\2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-23_aeae2330f53c7b0a5825ea160f8e34c3_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:4004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    59KB

    MD5

    552f281944e3789e9644e93cbbdd67c7

    SHA1

    205d1330b5c04f10d7cec61b7fa160bf9e7ef97a

    SHA256

    550adb299033e30b1eb4a26d16f3ed25758c26e3c5d14adb066b2e34fe43501c

    SHA512

    9a1583899488e9bed8ececd2662f78b05e79e3b96ba9211830249a24eda06a67a275b0d977b68b03379e3e03b331399748b500958211d5a1f64ba00a24071e8b

  • memory/3028-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/3028-1-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/3028-2-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/3028-3-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/3028-20-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/4004-17-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/4004-19-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/4004-21-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4004-27-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB