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Analysis

  • max time kernel
    132s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/03/2024, 15:27

General

  • Target

    2024-03-12_21af3b45a2eb950e47b5fe8e754f3fa6_cryptolocker.exe

  • Size

    57KB

  • MD5

    21af3b45a2eb950e47b5fe8e754f3fa6

  • SHA1

    8a3a7fd0cd95d3a356e7b380b572290a0d9fc25c

  • SHA256

    6873fa16feb3acf11dc38cff5c30471af9cce6c58416a26d7e91130bb388bd89

  • SHA512

    8e9e981b75ca14712e0477c18bfb1d7199399cfb52addbada1d53f5da59dbaa084f8e143af828c10b8795dce4a6ba4ac0969216e0722640cf533598a8d286626

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Gowfj8ui:xj+VGMOtEvwDpjubEgdi

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\2024-03-12_21af3b45a2eb950e47b5fe8e754f3fa6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-12_21af3b45a2eb950e47b5fe8e754f3fa6_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    57KB

    MD5

    c258404405ea6743a52b23944085706d

    SHA1

    5c72558f2bbef4d31d002c67a9575c28bab1c9b5

    SHA256

    8dee1f423d9c192ab81458aaa0fe9723aebc77406a5bfd04f62abbb44c4e1e80

    SHA512

    2b7727e1206565b7aaf89cececc4689bed1d86ef4648570725532f0ecf0dd3599413969eae2031be54e3c37a60b07a30ba516d50115bb1cbd3db22159be7d218

  • memory/2052-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2052-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2052-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2052-4-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2052-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2308-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2308-18-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2308-25-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB