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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 23:13

General

  • Target

    2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe

  • Size

    68KB

  • MD5

    ac093dce24b4dd7d822164a728fea2c9

  • SHA1

    1b3818a1772a41e918be6d3761de94462bf56516

  • SHA256

    2b73d03167dfa587342156460aeca44e7de2b1368d34ae6c7602743a0e5db247

  • SHA512

    eb8c88a12a438dbf89f90f6023cd27717130252a129581358e929fcc5f7f08c711b299fdb69461694e250975be2de9fdb8954ee0bbe5ba96af597320e6c6855b

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rk:vj+jsMQMOtEvwDpj5HZYTjipvF248/

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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\2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-18_ac093dce24b4dd7d822164a728fea2c9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    68KB

    MD5

    f1eb143658ded44a5bc26f1e6c502cb5

    SHA1

    95f97ca1dcd7328e9193906ec32e463780d8f5cd

    SHA256

    245bdad9b72aeab11457b9b4b6bd93cb6c2549a8eb6762b4d5fbd1520455e4ac

    SHA512

    27a948768c3d7e0ab698a938854447b300c0ad6e277783a99c86f6406691cb1d4a25cff69e6115f9c5e364968a0a611352d1b387a79886655873704257ab29be

  • memory/1944-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/1944-15-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2172-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2172-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2172-1-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB