Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 00:23

General

  • Target

    b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897.exe

  • Size

    220KB

  • MD5

    1b0af3fe31ca05c290b244769b26eee0

  • SHA1

    fb845df634c4fc6b18a7a9949436964354944a1c

  • SHA256

    b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897

  • SHA512

    449c7b88ffe2bc7a9086322563cccece16b3c1438c4b4a2ad8e65c4a39bbf1a5bccb064eec8ca4d2f7521d7b0bc58fadaeb65a90bbec7a62eadb00c7651dbee5

  • SSDEEP

    3072:W6g4USylvsnv5gVzaSCz2HJzqxdJWfIBZ5qK:84USy9qgzPexdyK

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 29 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897.exe
    "C:\Users\Admin\AppData\Local\Temp\b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Users\Admin\meoile.exe
      "C:\Users\Admin\meoile.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:456
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1080

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\meoile.exe

      Filesize

      220KB

      MD5

      1b0af3fe31ca05c290b244769b26eee0

      SHA1

      fb845df634c4fc6b18a7a9949436964354944a1c

      SHA256

      b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897

      SHA512

      449c7b88ffe2bc7a9086322563cccece16b3c1438c4b4a2ad8e65c4a39bbf1a5bccb064eec8ca4d2f7521d7b0bc58fadaeb65a90bbec7a62eadb00c7651dbee5

    • C:\Users\Admin\meoile.exe

      Filesize

      220KB

      MD5

      1b0af3fe31ca05c290b244769b26eee0

      SHA1

      fb845df634c4fc6b18a7a9949436964354944a1c

      SHA256

      b92cf06ec0aa2ea9b810d805f7d26c01ddf1032fb4b973d9a258d9557e45f897

      SHA512

      449c7b88ffe2bc7a9086322563cccece16b3c1438c4b4a2ad8e65c4a39bbf1a5bccb064eec8ca4d2f7521d7b0bc58fadaeb65a90bbec7a62eadb00c7651dbee5

    • memory/456-134-0x0000000000000000-mapping.dmp