Analysis

  • max time kernel
    81s
  • max time network
    181s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 01:09

General

  • Target

    6d82a607fd3ee7fd73d569cc58325276d8b457aae54452a5e39a53054647c06f.exe

  • Size

    293KB

  • MD5

    a213c40a49aecd24a235e8561368ac70

  • SHA1

    1843d472da65f7d508232aa9ebef7d3af4dd0ab3

  • SHA256

    6d82a607fd3ee7fd73d569cc58325276d8b457aae54452a5e39a53054647c06f

  • SHA512

    2edc6e181300dcd131e894a255e7bfdde3dc2fc06c7d8cc8596f666ca6809a86f276563c2f4d2a40ed4b4616277f8371aeaa9fae942c0510151f3f8d1e7e96ff

  • SSDEEP

    6144:MC+HDvkCG4hI2M5TOnpwMDkZQXSkyBsg+:MC+jv64hI2M5TOnZye8B0

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 36 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d82a607fd3ee7fd73d569cc58325276d8b457aae54452a5e39a53054647c06f.exe
    "C:\Users\Admin\AppData\Local\Temp\6d82a607fd3ee7fd73d569cc58325276d8b457aae54452a5e39a53054647c06f.exe"
    1⤵
    • Drops startup file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Users\Admin\AppData\Local\Temp\6d82a607fd3ee7fd73d569cc58325276d8b457aae54452a5e39a53054647c06f.exe
      C:\Users\Admin\AppData\Local\Temp\6d82a607fd3ee7fd73d569cc58325276d8b457aae54452a5e39a53054647c06f.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1648
    • C:\Windows\SysWOW64\regedit.exe
      regedit /s C:\1.reg
      2⤵
      • Adds Run key to start application
      • Runs .reg file with regedit
      PID:768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\1.reg

    Filesize

    171B

    MD5

    ec050f6277f07be51eff47816ddd00c3

    SHA1

    8e1e83a414323a6240d7f5c239122df404085b8e

    SHA256

    821a9fe2e8750a35d2832043618ac630d7f39055ff6c157c7ddf6d17c2463fbd

    SHA512

    e8a71fe40da7912d76db35fa831dfbcadc06620c7a5a4ed72ff0c58fc67ce23676d1419385dd2e8b784c4649e77805a1e632d5a125cb69661bfb1dd84bbd0465

  • memory/768-62-0x0000000000000000-mapping.dmp

  • memory/1008-56-0x0000000075C51000-0x0000000075C53000-memory.dmp

    Filesize

    8KB

  • memory/1008-61-0x0000000005841000-0x00000000066ED000-memory.dmp

    Filesize

    14.7MB

  • memory/1648-57-0x0000000000000000-mapping.dmp