Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    20/01/2022, 09:26

General

  • Target
    Overdue Invoices for payment.pdf.exe
  • Size 700KB
  • Sample220120-ld7whahda5
  • SHA256 6534b9213802327bcfb07a0dfca17286e2bed2fbfc977b41911203dc3f430d8a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • warzonerat

C2
  • 62.197.136.188:4178

Signatures

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Warzone RAT Payload 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 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 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Overdue Invoices for payment.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Overdue Invoices for payment.pdf.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Users\Admin\AppData\Local\Temp\Overdue Invoices for payment.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Overdue Invoices for payment.pdf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1608
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 200
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:588

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/588-69-0x0000000000290000-0x0000000000291000-memory.dmp

        memory/736-54-0x0000000076B81000-0x0000000076B83000-memory.dmp

        memory/1608-56-0x00000000001C0000-0x0000000000314000-memory.dmp

        memory/1608-61-0x00000000001C0000-0x0000000000314000-memory.dmp

        memory/1608-67-0x00000000001C0000-0x0000000000314000-memory.dmp