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Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 04:37

General

  • Target

    2024-04-21_e26bc1dfc241a9e07246c097bd4b0d01_cryptolocker.exe

  • Size

    50KB

  • MD5

    e26bc1dfc241a9e07246c097bd4b0d01

  • SHA1

    aa7c9ca9f0cce164fbcb737c0d02c83571a295bc

  • SHA256

    f8d616a273ee19f61e2f8fbd29d9ecfebdc7f3d48ef17d01d74eb79f6555dd44

  • SHA512

    f7eac205b9507db321d79a2bdac7ff710f19f66131104896e11d9fc870507982ab8d2202f0609ea324176e4fb912eff1e56e5f7483880de34f39d3ddf28e754f

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRHnz9:6j+1NMOtEvwDpjr8hhX9Z

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\2024-04-21_e26bc1dfc241a9e07246c097bd4b0d01_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-21_e26bc1dfc241a9e07246c097bd4b0d01_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    ad54dbb17cc61edb6408fcc9495c5b67

    SHA1

    0dbed7bf5b7e848ae6d796baa830e39fb5928b83

    SHA256

    e3e83ece5a6193e102302494331831fbed174b903fbc55069015940a6bcfa023

    SHA512

    c54e9149d0b792b352be1c0e5d441a66831a79aecaebad45ba244b244abef381ad9e36df8d622558ed4216df12149e6e984b216a2b9d52385b14321c588a16f7

  • memory/1740-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1740-2-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1740-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1740-4-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1740-14-0x0000000002320000-0x000000000232F000-memory.dmp

    Filesize

    60KB

  • memory/2716-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2716-18-0x0000000000350000-0x0000000000356000-memory.dmp

    Filesize

    24KB

  • memory/2716-20-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2716-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB