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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 02:45

General

  • Target

    2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe

  • Size

    42KB

  • MD5

    e35f547094c27d9007b195380764114a

  • SHA1

    600df97c2adb396efef06fa4dfa0553b18d4ded8

  • SHA256

    360c35dbdf5978a9f4bbedebe7fc6ff3981aeaeed8e6198e8090b3c5fdd2d5e3

  • SHA512

    e5942706e6fed01300190f55b693bed7cf5368727744ae32adf5535a29dcb3869e876a4655c6d4ff6f3d1f6928396a95e84fca68014e4b06aa25b174939d4e9e

  • SSDEEP

    768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAqt/:bCDOw9aMDooc+vAqt/

Score
7/10

Malware Config

Signatures

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_e35f547094c27d9007b195380764114a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    42KB

    MD5

    623c9764f9f1e5094a4aa30d12123a9d

    SHA1

    197b9bffba85b9d27cc965dc2a1cad4db0e25803

    SHA256

    0ddb0a8e03bcc88b27e31df6985c9ef0de0d60e8d056b05688040bc9276e9fbc

    SHA512

    b453ebf096f5b261afb29e00daa4b4ed2a06ec0981f3e9eda959902543cfc6967183bda5b90e503a9f001423987fec93dc4cb708012d52f11a913830bb79aec6

  • memory/1660-17-0x0000000000590000-0x0000000000596000-memory.dmp

    Filesize

    24KB

  • memory/1660-24-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1660-25-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/1668-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/1668-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/1668-2-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/1668-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/1668-15-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB