Analysis

  • max time kernel
    176s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    17/02/2022, 02:24

General

  • Target
    6321bbfa8dad0dd64ff0a57e279184b8476238ae320e01ddb798d0adb91d472b.exe
  • Size 1.3MB
  • Sample220217-cvpxkshbbr
  • SHA256 6321bbfa8dad0dd64ff0a57e279184b8476238ae320e01ddb798d0adb91d472b
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • warzonerat

C2
  • wealth.warzonedns.com:5202

Signatures

  • NetWire RAT payload 9 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • WarzoneRat, AveMaria

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

  • Warzone RAT Payload 4 IoCs
  • Executes dropped EXE 5 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 2 IoCs
  • autoit_exe 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1668
  • C:\Users\Admin\AppData\Local\Temp\6321bbfa8dad0dd64ff0a57e279184b8476238ae320e01ddb798d0adb91d472b.exe
    "C:\Users\Admin\AppData\Local\Temp\6321bbfa8dad0dd64ff0a57e279184b8476238ae320e01ddb798d0adb91d472b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Users\Admin\AppData\Roaming\Blasthost.exe
      "C:\Users\Admin\AppData\Roaming\Blasthost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3584
      • C:\Users\Admin\AppData\Roaming\Imgburn\Host.exe
        "C:\Users\Admin\AppData\Roaming\Imgburn\Host.exe"
        3⤵
        • Executes dropped EXE
        PID:3020
    • C:\Users\Admin\AppData\Local\Temp\6321bbfa8dad0dd64ff0a57e279184b8476238ae320e01ddb798d0adb91d472b.exe
      "C:\Users\Admin\AppData\Local\Temp\6321bbfa8dad0dd64ff0a57e279184b8476238ae320e01ddb798d0adb91d472b.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3720
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
          PID:4064
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\SysWOW64\schtasks.exe" /create /tn raserver /tr "C:\Users\Admin\AppData\Roaming\aepic\RtDCpl64.exe" /sc minute /mo 1 /F
        2⤵
        • Creates scheduled task(s)
        PID:3276
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k NetworkService -p
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:3488
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3508
    • C:\Users\Admin\AppData\Roaming\aepic\RtDCpl64.exe
      C:\Users\Admin\AppData\Roaming\aepic\RtDCpl64.exe
      1⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3756
      • C:\Users\Admin\AppData\Roaming\Blasthost.exe
        "C:\Users\Admin\AppData\Roaming\Blasthost.exe"
        2⤵
        • Executes dropped EXE
        PID:3916
      • C:\Users\Admin\AppData\Roaming\aepic\RtDCpl64.exe
        "C:\Users\Admin\AppData\Roaming\aepic\RtDCpl64.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2184
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe"
          3⤵
            PID:2284
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\SysWOW64\schtasks.exe" /create /tn raserver /tr "C:\Users\Admin\AppData\Roaming\aepic\RtDCpl64.exe" /sc minute /mo 1 /F
          2⤵
          • Creates scheduled task(s)
          PID:3032

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/2184-147-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/2184-155-0x0000000000400000-0x000000000041D000-memory.dmp

            memory/2284-156-0x0000000003720000-0x0000000003721000-memory.dmp

            memory/2396-138-0x0000000001850000-0x0000000001851000-memory.dmp

            memory/3720-140-0x0000000000330000-0x000000000034D000-memory.dmp

            memory/3720-132-0x0000000000330000-0x000000000034D000-memory.dmp

            memory/4064-143-0x0000000002DB0000-0x0000000002DB1000-memory.dmp