Analysis

  • max time kernel
    79s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 16:57

General

  • Target

    d755c5b45842e68a4bb54f72a44e4a3768e6acdf6e4ec8e65c05d821b54b5bfc.exe

  • Size

    232KB

  • MD5

    2cf2ae07a2811153d8f535e6b6979e6c

  • SHA1

    455a5359e41eb6974f77cfa43871d80df61a84d0

  • SHA256

    d755c5b45842e68a4bb54f72a44e4a3768e6acdf6e4ec8e65c05d821b54b5bfc

  • SHA512

    e499f2ea86cd35595c90b7505e74feba84a52eb0324f8aaacfdc3799eb719a62a95ef34eefa238d76e2a6ddbf39f14cc894a69a4f3e74ea71b80e73dd06d856b

  • SSDEEP

    3072:Ao4x9+Jqwpvn1NK/zeWR0Q774aqosAm+wEE:991NK/z9Rd774aqosAm+wH

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 27 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d755c5b45842e68a4bb54f72a44e4a3768e6acdf6e4ec8e65c05d821b54b5bfc.exe
    "C:\Users\Admin\AppData\Local\Temp\d755c5b45842e68a4bb54f72a44e4a3768e6acdf6e4ec8e65c05d821b54b5bfc.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:388
    • C:\Users\Admin\fuipa.exe
      "C:\Users\Admin\fuipa.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:5040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\fuipa.exe

    Filesize

    232KB

    MD5

    da7d725ad33a486cb062f63df091bdd3

    SHA1

    eb9c3d279174442ea86f781f709418af3ae319ab

    SHA256

    069889eb47f9408091410322775bad46f207c58250689d17c36a3fe2e46cc321

    SHA512

    f5a3b3701734a46c4e2da35fb6a10588eadf7b5b103b550dc61097cec7e4d15271debf0d6f708bc164d857fc0819374ee6572140acfb7f0d8fe7667aa01ef46b

  • C:\Users\Admin\fuipa.exe

    Filesize

    232KB

    MD5

    da7d725ad33a486cb062f63df091bdd3

    SHA1

    eb9c3d279174442ea86f781f709418af3ae319ab

    SHA256

    069889eb47f9408091410322775bad46f207c58250689d17c36a3fe2e46cc321

    SHA512

    f5a3b3701734a46c4e2da35fb6a10588eadf7b5b103b550dc61097cec7e4d15271debf0d6f708bc164d857fc0819374ee6572140acfb7f0d8fe7667aa01ef46b

  • memory/5040-134-0x0000000000000000-mapping.dmp