Analysis

  • max time kernel
    152s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2023 20:44

General

  • Target

    2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe

  • Size

    27KB

  • MD5

    e373e62bfd5532ed18a990ecfa4068e5

  • SHA1

    b8a93129b1b8112b645b4e6029b4a9f5a3f60e71

  • SHA256

    7c3664cdc87da600c109ce9054553b843bd475a5d013215ad366c5126fe8daa5

  • SHA512

    1e5d2231fbdf63b1b311406a5f23eb56df1281e9519bf60f538726ce1eb10113f4ec5859fa5c69926926261ff6fa5f0ec9c10e97ab7688b96a466ab1b1b0ef09

  • SSDEEP

    384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUqI:bA74zYcgT/Ekd0ryfjG

Score
7/10

Malware Config

Signatures

  • 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\2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-08-25_e373e62bfd5532ed18a990ecfa4068e5_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    27KB

    MD5

    333b3985214a4667d9038a9c3a1d2b6a

    SHA1

    64977214190d630fbde55625e7b048c44c3a283d

    SHA256

    01b026d552d4c5c530fb7436742133047108b12dcfb6cd6a6e0b29d2aaf9500a

    SHA512

    e2795ab1b8821bb5c553cf1d21c818d13f428f489dec054e71846faaf7d0e36f46258e055915fd912f0a05844d11a47ae865e8e91e52c375ef4361f5af0e3d66

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

    Filesize

    27KB

    MD5

    333b3985214a4667d9038a9c3a1d2b6a

    SHA1

    64977214190d630fbde55625e7b048c44c3a283d

    SHA256

    01b026d552d4c5c530fb7436742133047108b12dcfb6cd6a6e0b29d2aaf9500a

    SHA512

    e2795ab1b8821bb5c553cf1d21c818d13f428f489dec054e71846faaf7d0e36f46258e055915fd912f0a05844d11a47ae865e8e91e52c375ef4361f5af0e3d66

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

    Filesize

    27KB

    MD5

    333b3985214a4667d9038a9c3a1d2b6a

    SHA1

    64977214190d630fbde55625e7b048c44c3a283d

    SHA256

    01b026d552d4c5c530fb7436742133047108b12dcfb6cd6a6e0b29d2aaf9500a

    SHA512

    e2795ab1b8821bb5c553cf1d21c818d13f428f489dec054e71846faaf7d0e36f46258e055915fd912f0a05844d11a47ae865e8e91e52c375ef4361f5af0e3d66

  • memory/1952-0-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/1952-1-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/1952-2-0x0000000000390000-0x0000000000396000-memory.dmp

    Filesize

    24KB

  • memory/2356-16-0x0000000001B20000-0x0000000001B26000-memory.dmp

    Filesize

    24KB

  • memory/2356-15-0x0000000001B40000-0x0000000001B46000-memory.dmp

    Filesize

    24KB