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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2024, 17:23

General

  • Target

    2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe

  • Size

    65KB

  • MD5

    033af87b560081f55c648b2c05804b5f

  • SHA1

    83525c6b74c0f2f9103ab047d79b3e25f6b20479

  • SHA256

    17fb268398950e92bc82550258b94c00733918a715f6f23f1e5f671183ffdccd

  • SHA512

    9a6fcd537187bdc08edc012a39f4021861e3fece759da4d092c5fc08f975c8e9a80b71729e24654a7f852a31ce1b7a48c13542ff55c9178ba09bca76da0a9a56

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMTIzYI:TCjsIOtEvwDpj5HE/OUHnSMH

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 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\2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-30_033af87b560081f55c648b2c05804b5f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    65KB

    MD5

    0fcd9ab05882a3aaaa32a669095e2c08

    SHA1

    5aa4495d425ed1a2d8535f3b2eba7c51789d4d74

    SHA256

    37918fadde71fb07872c40da0da478712f5ae06e552b656fa6847516c940e30f

    SHA512

    83272586532b80dfd0bc4dd69b3c481d9dec8182684eb2c9f9b0c5c3f4b108b7f05ac53fb45d21bb7367f8bae6be5ac5e829c0896ee5b07d8bde5f19b23e1ac3

  • memory/2304-16-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2304-18-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2304-25-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2304-26-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2908-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2908-1-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2908-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2908-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2908-14-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB