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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2024, 17:24

General

  • Target

    2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe

  • Size

    49KB

  • MD5

    ea021802265f548e290568f8ddf46775

  • SHA1

    ce6430e4c93a03989cce73f049741a52cf15dbd8

  • SHA256

    6552a0f56d3d7211563e77030738fa95e806522380c8f775fb345f943498fee0

  • SHA512

    8412d6d73c44fea75cfc5f26cfcb9ac0a11a8c1b8388ca771358e1c230b879eb9dd1b8810bfd751d448255d19516662f650f6ab2120261b74191f7fe52d11429

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRkHx8:6j+1NMOtEvwDpjr8hhXiW

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 6 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\2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    5d6d6b728109e24576c53f184613533c

    SHA1

    e48c95da7e094ef4e7d1c892bcd300d5bd6b4ce8

    SHA256

    3f189713eb9ed14149b8e1fda87ee0d654885aeac5f5f29190a673e1a7b78818

    SHA512

    f9404a6f8d727b8d73f0c8c0f199fab5c82236755b9e1dd011cc2ad12108cb86236ff502dbae43daa0cc3bf8c433678e82103636f2e094db76d2e3c5792d7d1b

  • memory/2212-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2212-1-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/2212-3-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/2212-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2212-13-0x0000000001E60000-0x0000000001E6F000-memory.dmp

    Filesize

    60KB

  • memory/2212-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2988-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2988-20-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2988-19-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2988-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB