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Analysis

  • max time kernel
    83s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 09:20

General

  • Target

    9cf6080f65d106db855775d5325fb41ee15a6c90e111adfbadaf6a0466384d4e.exe

  • Size

    85KB

  • MD5

    6e032993d60b0418ccbf429a286c7707

  • SHA1

    887de4741139d9becedc4eec8c348b48b1f75c60

  • SHA256

    9cf6080f65d106db855775d5325fb41ee15a6c90e111adfbadaf6a0466384d4e

  • SHA512

    345bc05026b166d8656dc33088f913232ce13d1d42fbdea8cfffc354a38da7ff4eb2da49ede72c7185ff17591e29294f827ce60110817d12cfe7b3f5c13f8674

  • SSDEEP

    1536:i3LSNZSOyF6Aewor4ZXkl3CkSRpliHyPm:UutyxfVxIyLiS

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 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 use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cf6080f65d106db855775d5325fb41ee15a6c90e111adfbadaf6a0466384d4e.exe
    "C:\Users\Admin\AppData\Local\Temp\9cf6080f65d106db855775d5325fb41ee15a6c90e111adfbadaf6a0466384d4e.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 3039414000 /t REG_SZ /d "%userprofile%\3039414000.exe" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1756
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 3039414000 /t REG_SZ /d "C:\Users\Admin\3039414000.exe" /f
        3⤵
        • Adds Run key to start application
        PID:1508
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /r /f /t 3
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:856
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\9CF608~1.EXE > nul
      2⤵
      • Deletes itself
      PID:836
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:1572
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1480

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/1572-61-0x000007FEFC281000-0x000007FEFC283000-memory.dmp

        Filesize

        8KB

      • memory/1988-54-0x0000000076171000-0x0000000076173000-memory.dmp

        Filesize

        8KB

      • memory/1988-60-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

      • memory/1988-59-0x00000000002A0000-0x00000000002B9000-memory.dmp

        Filesize

        100KB