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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2024, 07:26

General

  • Target

    2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe

  • Size

    40KB

  • MD5

    29653b792cec6720949c67ec569f8b3a

  • SHA1

    b22f3f1f44deb65180f7df0d233ec272b6e6a3be

  • SHA256

    54c232cb955b85926c58bb8b9b2b84d220dc69a1b2c961a2ae6a40e704ed6fb5

  • SHA512

    7a67aa68e1956457c60eeefaf5b0a7bc8f114e805d455e71a82652093e8f331c5dc42e9c29ae831b853aa5853373c8b4b13e4b7fc62a5dd09f39326c5959be82

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh67/rl:6j+1NMOtEvwDpjrRbrl

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\2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    63d7788a971026b24fd508812b420f8f

    SHA1

    a0fd335f6bbd9e2764c5699e9bd3dc3159b2ffc0

    SHA256

    fa44170b14290b2411f5d13d399357915c82f4f2a0215d76c35713ff406b0394

    SHA512

    5ee9a1c711f8055fc6c9676a328210a5bed989588100224c6766bdd2bbc00f30ea64644dbb63db073daf31ccf3a88b040c7159ac219d27f625a594dbbc0d58c1

  • memory/2204-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2204-1-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2204-2-0x0000000000350000-0x0000000000356000-memory.dmp

    Filesize

    24KB

  • memory/2204-9-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2204-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2544-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2544-18-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2544-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2544-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB