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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/06/2024, 08:22

General

  • Target

    2024-06-12_1fa360dc918e6f15a3fa08d59a6b5a6f_cryptolocker.exe

  • Size

    45KB

  • MD5

    1fa360dc918e6f15a3fa08d59a6b5a6f

  • SHA1

    8bbb61103a360bc05d3890af2eb55a49979c5ae9

  • SHA256

    bd724b21587a75af0bbd78352c0a5005401723050a3b3962a4d7875892815410

  • SHA512

    e81a90375f37be221db61b49d36f1d20e6ec936f1228ded46bf27fc966d56f5cfba63985700fda5246d0de1712f8ebc37513daa8aa037b0e726aba6125834db4

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDa:6j+1NMOtEvwDpjrRrO

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 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\2024-06-12_1fa360dc918e6f15a3fa08d59a6b5a6f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-12_1fa360dc918e6f15a3fa08d59a6b5a6f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    13f8e7d3616db9f1a1068f0d87a2a0f8

    SHA1

    1034f0d50d253d70cff2ed737cb884cbfb2764bf

    SHA256

    0eb161adc7ceb7e60b30652515b59f31be036c8a84345a53c483474ee961c343

    SHA512

    4aeb2e95c7bfd4918291b7f92234f94b936362043c0955e7a097289334a5111cc102eaf15c15cc8dec9fe259396583f92b90e13edf0756932d482eae6f4bf227

  • memory/2120-0-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2120-2-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2120-1-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2120-3-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2120-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2740-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2740-18-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2740-25-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/2740-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB