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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    20/06/2024, 04:23

General

  • Target

    2024-06-20_3e4bcd3646436cb2c94fcabdbb8fa409_cryptolocker.exe

  • Size

    45KB

  • MD5

    3e4bcd3646436cb2c94fcabdbb8fa409

  • SHA1

    609b6b96499e9e76340781668806bfd9e94c74ae

  • SHA256

    87e2969f0834cbcb3302beef33a10259157fcbab16af383743900fcd5e9454c7

  • SHA512

    f5e84196aad41efcc525523230c75219303fa3b70cfc2d132ff118d4d6837c3871a16d027fed1b3f7f3b83f9e43cbc0e64c5e69ae51949394fbe93af2de78684

  • SSDEEP

    384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3b+N3:bm74zYcgT/EkM0ryfjd3W3

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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\2024-06-20_3e4bcd3646436cb2c94fcabdbb8fa409_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-20_3e4bcd3646436cb2c94fcabdbb8fa409_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    7aa91d52d5c2b2de583f772cd87bf607

    SHA1

    8bf96b57eb7d394eb7a57eea93f13393addfbc10

    SHA256

    95549eafd4eed45f25bcec87615504917846af203e34250f07d0d4bdda14acaf

    SHA512

    df278db30c6139bc07c3dffe4f301b14aaf07c49c208d613b2d634bd0abdac2c040a4176c8731707488ee0c6a9c9aa5399d70823ed2fc8cbdb3bab0d84fd2636

  • memory/1068-0-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/1068-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/1068-9-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB

  • memory/1068-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

    Filesize

    24KB

  • memory/1068-15-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2924-16-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB

  • memory/2924-25-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

    Filesize

    24KB

  • memory/2924-18-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

    Filesize

    24KB

  • memory/2924-26-0x0000000008000000-0x000000000800D000-memory.dmp

    Filesize

    52KB