Analysis

  • max time kernel
    1802s
  • max time network
    1816s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    20-11-2020 14:34

General

  • Target

    42f972925508a82236e8533567487761.exe

Malware Config

Extracted

Family

warzonerat

C2

sandyclark255.hopto.org:5200

Extracted

Family

asyncrat

Version

0.5.6A

C2

sandyclark255.hopto.org:6606

sandyclark255.hopto.org:8808

sandyclark255.hopto.org:7707

Mutex

adweqsds56332

Attributes
  • aes_key

    DStgwPf5qCYAcWWcPg3CaZBkDbYF3HQo

  • anti_detection

    true

  • autorun

    true

  • bdos

    false

  • delay

  • host

    sandyclark255.hopto.org

  • hwid

  • install_file

  • install_folder

    %AppData%

  • mutex

    adweqsds56332

  • pastebin_config

    null

  • port

    6606,8808,7707

  • version

    0.5.6A

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • WarzoneRat, AveMaria

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

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Async RAT payload 1 IoCs
  • Warzone RAT Payload 3 IoCs
  • Disables RegEdit via registry modification
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 17 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 7 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 5 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42f972925508a82236e8533567487761.exe
    "C:\Users\Admin\AppData\Local\Temp\42f972925508a82236e8533567487761.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Users\Admin\AppData\Local\Temp\JMFP8QdaZdxQNSTc.exe
      "C:\Users\Admin\AppData\Local\Temp\JMFP8QdaZdxQNSTc.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3904
      • C:\Windows\svehosts.exe
        "C:\Windows\svehosts.exe"
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Adds Run key to start application
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:4544
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Windows\svehosts.exe" "svehosts.exe" ENABLE
          4⤵
            PID:1824
      • C:\Users\Admin\AppData\Local\Temp\DONRS8eiyuFBBYxo.exe
        "C:\Users\Admin\AppData\Local\Temp\DONRS8eiyuFBBYxo.exe"
        2⤵
        • Modifies WinLogon for persistence
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4032
        • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
          "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2168
          • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
            "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe" 2168
            4⤵
            • Modifies WinLogon for persistence
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            PID:2444
            • C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe
              "C:\Users\Admin\AppData\Local\Temp\RJCisDErBR6WU7D5\svbhost.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:1276
      • C:\Users\Admin\AppData\Local\Temp\FsWGELHnfs75nUAX.exe
        "C:\Users\Admin\AppData\Local\Temp\FsWGELHnfs75nUAX.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2144
        • C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe
          "C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe"
          3⤵
          • Modifies WinLogon for persistence
          • Drops file in Drivers directory
          • Executes dropped EXE
          • Checks computer location settings
          • Adds Run key to start application
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          PID:4156
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            4⤵
              PID:4084
            • C:\Users\Admin\Documents\excelsl.exe
              "C:\Users\Admin\Documents\excelsl.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of AdjustPrivilegeToken
              PID:8
              • C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe
                "C:\Users\Admin\AppData\Local\Temp\heCYMLXIPI2fpGWa\svuhost.exe"
                5⤵
                • Executes dropped EXE
                • Adds Run key to start application
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of SetWindowsHookEx
                PID:3100
                • C:\Windows\SysWOW64\notepad.exe
                  notepad
                  6⤵
                    PID:4624
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 1068
                  5⤵
                  • Program crash
                  PID:3972
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2144 -s 1076
              3⤵
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4840
          • C:\Users\Admin\AppData\Local\Temp\nfNIRPKNTDlm5w3t.exe
            "C:\Users\Admin\AppData\Local\Temp\nfNIRPKNTDlm5w3t.exe"
            2⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:3176
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'prndrvest"' /tr "'C:\Users\Admin\AppData\Roaming\prndrvest.exe"'
              3⤵
              • Creates scheduled task(s)
              PID:4412
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp87EE.tmp.bat""
              3⤵
                PID:984
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 3
                  4⤵
                  • Delays execution with timeout.exe
                  PID:1248
                • C:\Users\Admin\AppData\Roaming\prndrvest.exe
                  "C:\Users\Admin\AppData\Roaming\prndrvest.exe"
                  4⤵
                  • Executes dropped EXE
                  PID:1452
            • C:\Users\Admin\AppData\Local\Temp\oj6nKcf8t6QM1cww.exe
              "C:\Users\Admin\AppData\Local\Temp\oj6nKcf8t6QM1cww.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4360
              • C:\Users\Admin\AppData\Local\Temp\fI87ltOJhCNhEwlw\eridjeht.exe
                "C:\Users\Admin\AppData\Local\Temp\fI87ltOJhCNhEwlw\eridjeht.exe"
                3⤵
                • Executes dropped EXE
                PID:1188
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 1068
                3⤵
                • Program crash
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:1568
            • C:\Users\Admin\AppData\Local\Temp\xoygXxPNEjZfHSwN.exe
              "C:\Users\Admin\AppData\Local\Temp\xoygXxPNEjZfHSwN.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:3816
              • C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe
                "C:\Users\Admin\AppData\Local\Temp\9Wr8gF4Xq79ka0w0\svrhost.exe"
                3⤵
                • Executes dropped EXE
                • Suspicious behavior: GetForegroundWindowSpam
                PID:2616
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3816 -s 1068
                3⤵
                • Program crash
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4320
            • C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe
              "C:\Users\Admin\AppData\Local\Temp\6ax0Yc8236t6EQMa\svthost.exe"
              2⤵
              • Executes dropped EXE
              PID:4464
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 1580
              2⤵
              • Program crash
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4484

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1188-69-0x0000000000400000-0x0000000000554000-memory.dmp

            Filesize

            1.3MB

          • memory/1188-63-0x0000000000400000-0x0000000000554000-memory.dmp

            Filesize

            1.3MB

          • memory/1276-283-0x0000000000400000-0x00000000004C2000-memory.dmp

            Filesize

            776KB

          • memory/1452-390-0x0000000070AE0000-0x00000000711CE000-memory.dmp

            Filesize

            6.9MB

          • memory/1568-102-0x00000000057F0000-0x00000000057F1000-memory.dmp

            Filesize

            4KB

          • memory/1568-76-0x0000000004D70000-0x0000000004D71000-memory.dmp

            Filesize

            4KB

          • memory/2168-97-0x0000000000400000-0x00000000004C2000-memory.dmp

            Filesize

            776KB

          • memory/2168-88-0x0000000000400000-0x00000000004C2000-memory.dmp

            Filesize

            776KB

          • memory/2616-145-0x0000000000400000-0x000000000040F000-memory.dmp

            Filesize

            60KB

          • memory/2616-151-0x0000000000400000-0x000000000040F000-memory.dmp

            Filesize

            60KB

          • memory/3100-362-0x0000000000400000-0x00000000004BA000-memory.dmp

            Filesize

            744KB

          • memory/3176-22-0x0000000000310000-0x0000000000311000-memory.dmp

            Filesize

            4KB

          • memory/3176-25-0x0000000004C20000-0x0000000004C21000-memory.dmp

            Filesize

            4KB

          • memory/3176-13-0x0000000070A70000-0x000000007115E000-memory.dmp

            Filesize

            6.9MB

          • memory/3176-52-0x0000000008F30000-0x0000000008F4D000-memory.dmp

            Filesize

            116KB

          • memory/3176-29-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

            Filesize

            4KB

          • memory/3176-358-0x000000000AC90000-0x000000000AC91000-memory.dmp

            Filesize

            4KB

          • memory/3176-357-0x000000000A980000-0x000000000A981000-memory.dmp

            Filesize

            4KB

          • memory/3176-24-0x0000000005040000-0x0000000005041000-memory.dmp

            Filesize

            4KB

          • memory/3176-186-0x00000000046F0000-0x00000000046FD000-memory.dmp

            Filesize

            52KB

          • memory/3972-363-0x00000000046C0000-0x00000000046C1000-memory.dmp

            Filesize

            4KB

          • memory/3972-375-0x0000000005210000-0x0000000005211000-memory.dmp

            Filesize

            4KB

          • memory/4084-228-0x0000000002F10000-0x0000000002F11000-memory.dmp

            Filesize

            4KB

          • memory/4156-214-0x0000000000400000-0x00000000004BA000-memory.dmp

            Filesize

            744KB

          • memory/4156-206-0x0000000000400000-0x00000000004BA000-memory.dmp

            Filesize

            744KB

          • memory/4320-181-0x00000000051C0000-0x00000000051C1000-memory.dmp

            Filesize

            4KB

          • memory/4320-158-0x00000000046C0000-0x00000000046C1000-memory.dmp

            Filesize

            4KB

          • memory/4464-19-0x0000000000400000-0x00000000004BA000-memory.dmp

            Filesize

            744KB

          • memory/4484-31-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

            Filesize

            4KB

          • memory/4484-26-0x00000000044B0000-0x00000000044B1000-memory.dmp

            Filesize

            4KB

          • memory/4484-27-0x00000000044B0000-0x00000000044B1000-memory.dmp

            Filesize

            4KB

          • memory/4624-367-0x0000000003280000-0x0000000003281000-memory.dmp

            Filesize

            4KB

          • memory/4840-252-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

            Filesize

            4KB

          • memory/4840-225-0x0000000004320000-0x0000000004321000-memory.dmp

            Filesize

            4KB