Overview

overview

10

Static

static

CV Actualis_.bin.exe

windows7_x64

10

CV Actualis_.bin.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    09-10-2020 10:08

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    CV Actualis_.bin.exe

  • Size

    1.7MB

  • MD5

    384b434bcfeec7287cf02b7aefa06c52

  • SHA1

    8e2abd5f01f36b38d3674847dff518e7a4eef897

  • SHA256

    0aa70e7306349ec1f3b27d683bfb3fd717f242e86b508b4051e3691c584fbf8d

  • SHA512

    a33c8f4c6746d16cd39a19c4ba9fcc3ebabefdeb443c2e46585958bc1d10fca4ff44a6c2612acec5fb284935121ebbf1f4f6028df9060beb38f9e4d01da7d235

Score
10/10
trojanwshratdiscoverypersistence

Malware Config

Signatures

  • WSHRAT

    WSHRAT is a variant of Houdini worm and has vbs and js variants.

    trojanwshrat
  • Blacklisted process makes network request 27 IoCs
  • Executes dropped EXE 3 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 2 IoCs
  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies registry class 1 IoCs
  • Script User-Agent 25 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CV Actualis_.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\CV Actualis_.bin.exe"
    1⤵
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:584
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\Investintech.com Inc\SlimPDF Reader\InstallSlimPDFReader.js"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3972
      • C:\Windows\SysWOW64\wscript.exe
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\InstallSlimPDFReader.js"
        3⤵
        • Blacklisted process makes network request
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:696
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c taskkill /F /IM kl-plugin.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3688
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /F /IM kl-plugin.exe
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2868
        • C:\Users\Admin\AppData\Roaming\kl-plugin.exe
          "C:\Users\Admin\AppData\Roaming\kl-plugin.exe" blackid-43205.portmap.io 1118 "WSHRAT|E4B9A6CA|LZUKLIOU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 9/10/2020|JavaScript-v2.0|NL:Netherlands" 1
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1304
    • C:\Program Files (x86)\Investintech.com Inc\SlimPDF Reader\InstallSlimPDFReader.exe
      "C:\Program Files (x86)\Investintech.com Inc\SlimPDF Reader\InstallSlimPDFReader.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Users\Admin\AppData\Local\Temp\is-R0JEC.tmp\InstallSlimPDFReader.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-R0JEC.tmp\InstallSlimPDFReader.tmp" /SL5="$50076,1106375,177152,C:\Program Files (x86)\Investintech.com Inc\SlimPDF Reader\InstallSlimPDFReader.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads