Analysis

  • max time kernel
    150s
  • max time network
    181s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    29/09/2021, 04:13

General

  • Target

    Scano005110.js

  • Size

    5.2MB

  • MD5

    a3a411523aa5bf3818e8925e908be9a2

  • SHA1

    e356ce5f29c820c5fc7ca65c242be082bafc8fe8

  • SHA256

    052a6543d8392cf4c54e7f88f80b41f571ea4e937e3caa6fa9b42a860b40b30c

  • SHA512

    edd2647484ef73879e4c48f8e89f6166bdc73725b17b8a95d3522fbac9954749b93ddc9043a4c0db2e58de382b5a97a7d96ec3ebe7cd36ee7fd7ae6d78f42e88

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.legacypharma.com.pk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aurangzeb1926

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • WSHRAT

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

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • Blocklisted process makes network request 27 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 26 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Scano005110.js
    1⤵
    • Blocklisted process makes network request
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Users\Admin\AppData\Local\Temp\fthost.exe
      "C:\Users\Admin\AppData\Local\Temp\fthost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:828
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1308
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
          4⤵
            PID:1836
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:396

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/396-79-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/396-76-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/828-63-0x00000000005B0000-0x00000000005B1000-memory.dmp

      Filesize

      4KB

    • memory/828-62-0x0000000074D91000-0x0000000074D93000-memory.dmp

      Filesize

      8KB

    • memory/1308-71-0x0000000000366000-0x0000000000367000-memory.dmp

      Filesize

      4KB

    • memory/1308-69-0x0000000000350000-0x0000000000351000-memory.dmp

      Filesize

      4KB

    • memory/1836-72-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1836-75-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB