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Analysis

  • max time kernel
    62s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 00:29

General

  • Target

    c06f4e5289cde6fd5fd854a09c4d9688ccfbc9b10228ffc5744e1b514ef8ea69.exe

  • Size

    63KB

  • MD5

    08388dae31961f3b39cf876837571858

  • SHA1

    476b940dec0bb73da2b44839b40110d468d35261

  • SHA256

    c06f4e5289cde6fd5fd854a09c4d9688ccfbc9b10228ffc5744e1b514ef8ea69

  • SHA512

    4d8e4dc7d9c8eebc79550c22f10f4eb69026cf37cb1e2e3b6f5809bf4bf0e89fb15c3d748ec97bc40a3446cc6752423250e33fb4a370da738204cd8d13932950

  • SSDEEP

    768:TO0EWgIos/JdQm2iE8NUIu0oWsV1qaZIp/Bj7YcRpaSOovHYxtxdve:SLe92iEzGs1stvHYxtHG

Score
10/10

Malware Config

Signatures

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

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c06f4e5289cde6fd5fd854a09c4d9688ccfbc9b10228ffc5744e1b514ef8ea69.exe
    "C:\Users\Admin\AppData\Local\Temp\c06f4e5289cde6fd5fd854a09c4d9688ccfbc9b10228ffc5744e1b514ef8ea69.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Users\Admin\tuozo.exe
      "C:\Users\Admin\tuozo.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
      • Suspicious use of WriteProcessMemory
      PID:1616

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\tuozo.exe

    Filesize

    63KB

    MD5

    457eadf104708110627322cba4a5d2be

    SHA1

    c73544da468cb187eea935beb9a59316eab08aec

    SHA256

    821794b8ca0e56fcc4ebb0e169dc07e74ff9f73182324c57cb34694e85745934

    SHA512

    bd298eb4fa3f2ac6b04ce97541c4c545676218117b3cd21eed72c2ad993d7bb7faf17361cbaa00d223e37fc0e712f8a9a104fa3610d1659e69d0db46760d6893

  • C:\Users\Admin\tuozo.exe

    Filesize

    63KB

    MD5

    457eadf104708110627322cba4a5d2be

    SHA1

    c73544da468cb187eea935beb9a59316eab08aec

    SHA256

    821794b8ca0e56fcc4ebb0e169dc07e74ff9f73182324c57cb34694e85745934

    SHA512

    bd298eb4fa3f2ac6b04ce97541c4c545676218117b3cd21eed72c2ad993d7bb7faf17361cbaa00d223e37fc0e712f8a9a104fa3610d1659e69d0db46760d6893

  • \Users\Admin\tuozo.exe

    Filesize

    63KB

    MD5

    457eadf104708110627322cba4a5d2be

    SHA1

    c73544da468cb187eea935beb9a59316eab08aec

    SHA256

    821794b8ca0e56fcc4ebb0e169dc07e74ff9f73182324c57cb34694e85745934

    SHA512

    bd298eb4fa3f2ac6b04ce97541c4c545676218117b3cd21eed72c2ad993d7bb7faf17361cbaa00d223e37fc0e712f8a9a104fa3610d1659e69d0db46760d6893

  • \Users\Admin\tuozo.exe

    Filesize

    63KB

    MD5

    457eadf104708110627322cba4a5d2be

    SHA1

    c73544da468cb187eea935beb9a59316eab08aec

    SHA256

    821794b8ca0e56fcc4ebb0e169dc07e74ff9f73182324c57cb34694e85745934

    SHA512

    bd298eb4fa3f2ac6b04ce97541c4c545676218117b3cd21eed72c2ad993d7bb7faf17361cbaa00d223e37fc0e712f8a9a104fa3610d1659e69d0db46760d6893

  • memory/1784-56-0x00000000751A1000-0x00000000751A3000-memory.dmp

    Filesize

    8KB