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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2024, 04:11

General

  • Target

    2024-03-29_ed219b68d56dacb2843e764a325df41e_cryptolocker.exe

  • Size

    49KB

  • MD5

    ed219b68d56dacb2843e764a325df41e

  • SHA1

    4f68a08af30e01cb436af38eb6943acb29f442a9

  • SHA256

    2aaa093378f6a2df9099c9d0820c7d132b1bfbbe7eead78cd765365ba9b12659

  • SHA512

    ec20a1f995b4aa7151a023345e660497cd129391c012e9060d5a192508bb3231964eec2e442104a4ebc23d09491f80473d54f1d3a86ae1d9dc1db3910b975435

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRkHf:6j+1NMOtEvwDpjr8hhXi/

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 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\2024-03-29_ed219b68d56dacb2843e764a325df41e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_ed219b68d56dacb2843e764a325df41e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    8fa4095db277ff27803b004701ccc31f

    SHA1

    766c1e7ecea8738d9ec973398d882d65b42a167f

    SHA256

    ef220630f273549d04566135a40dd0d7f7880cbf823a13e345ad057a49964d4e

    SHA512

    a7219eb1414d0e3dd9858bfe7a527402e503d6a0975887f3d16e1a991b967ea05d671bb01c24cdc5bdd8bfbad9250b815e1473f0530928942a3c8719b54e86a3

  • memory/2520-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2520-19-0x0000000000200000-0x0000000000206000-memory.dmp

    Filesize

    24KB

  • memory/2520-21-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2520-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2612-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2612-1-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2612-2-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2612-3-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2612-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2612-13-0x0000000001F20000-0x0000000001F2F000-memory.dmp

    Filesize

    60KB