Analysis

  • max time kernel
    167s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 19:51

General

  • Target

    52580895d9ef4eff29155e53b4e954ca30531053a6eee5e5dc2068bf589972db.exe

  • Size

    176KB

  • MD5

    af1683d88027a62fcbbed95ec4065a03

  • SHA1

    0bc83f3eaf12097ad1e6ef7b809c6415bfd1e92f

  • SHA256

    52580895d9ef4eff29155e53b4e954ca30531053a6eee5e5dc2068bf589972db

  • SHA512

    70e518d8fdad77a3cda0a356e7f016f12fa29fb367b74f972b6e2388291e2ae6b67c427daaaabcedd0d37d36d8c61a25f827af310055fec376faa02f4478da93

  • SSDEEP

    3072:w9Goe5g+GwD8w2+d5bWIrJ4E5n41sSLeH8ozK/d/18Ulyc4oQZiEm:42WIrJ4E5n41pVN/jh7W

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52580895d9ef4eff29155e53b4e954ca30531053a6eee5e5dc2068bf589972db.exe
    "C:\Users\Admin\AppData\Local\Temp\52580895d9ef4eff29155e53b4e954ca30531053a6eee5e5dc2068bf589972db.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:288
    • C:\Users\Admin\miinaf.exe
      "C:\Users\Admin\miinaf.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\miinaf.exe

    Filesize

    176KB

    MD5

    1137a5125fb4adc1e3f9eaba8b46fa14

    SHA1

    7cf01b5b9f7c8d0fe27c53c01ce2090d89b20cd0

    SHA256

    3eddb1faf0ebe3d8e75ff3bd87f2260ca8078e0c929a9c139480254d782cb632

    SHA512

    02d19d134dd8df0bba9fe0758d238ee5bc9cf8e14dedd065bc8a01306d7c975e82ea91df182d69cd7902c7d370a9d43cdd65c136cf46da71ace4a81a525aa635

  • C:\Users\Admin\miinaf.exe

    Filesize

    176KB

    MD5

    1137a5125fb4adc1e3f9eaba8b46fa14

    SHA1

    7cf01b5b9f7c8d0fe27c53c01ce2090d89b20cd0

    SHA256

    3eddb1faf0ebe3d8e75ff3bd87f2260ca8078e0c929a9c139480254d782cb632

    SHA512

    02d19d134dd8df0bba9fe0758d238ee5bc9cf8e14dedd065bc8a01306d7c975e82ea91df182d69cd7902c7d370a9d43cdd65c136cf46da71ace4a81a525aa635

  • \Users\Admin\miinaf.exe

    Filesize

    176KB

    MD5

    1137a5125fb4adc1e3f9eaba8b46fa14

    SHA1

    7cf01b5b9f7c8d0fe27c53c01ce2090d89b20cd0

    SHA256

    3eddb1faf0ebe3d8e75ff3bd87f2260ca8078e0c929a9c139480254d782cb632

    SHA512

    02d19d134dd8df0bba9fe0758d238ee5bc9cf8e14dedd065bc8a01306d7c975e82ea91df182d69cd7902c7d370a9d43cdd65c136cf46da71ace4a81a525aa635

  • \Users\Admin\miinaf.exe

    Filesize

    176KB

    MD5

    1137a5125fb4adc1e3f9eaba8b46fa14

    SHA1

    7cf01b5b9f7c8d0fe27c53c01ce2090d89b20cd0

    SHA256

    3eddb1faf0ebe3d8e75ff3bd87f2260ca8078e0c929a9c139480254d782cb632

    SHA512

    02d19d134dd8df0bba9fe0758d238ee5bc9cf8e14dedd065bc8a01306d7c975e82ea91df182d69cd7902c7d370a9d43cdd65c136cf46da71ace4a81a525aa635

  • memory/288-56-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/288-57-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB

  • memory/288-65-0x0000000002F70000-0x0000000002F9C000-memory.dmp

    Filesize

    176KB

  • memory/288-66-0x0000000002F70000-0x0000000002F9C000-memory.dmp

    Filesize

    176KB

  • memory/288-69-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/288-70-0x0000000002F70000-0x0000000002F9C000-memory.dmp

    Filesize

    176KB

  • memory/1456-67-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1456-71-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB