Analysis

  • max time kernel
    150s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    10/05/2024, 07:11

General

  • Target
    9c0f25deda5fd180238008b7b97fab10_NeikiAnalytics.exe
  • Size 1.5MB
  • Sample240510-hz2d3ada49
  • SHA256 78ce536df6722793cde9eca1bc9f78bc4abe3d17613eb950401c1fbc0335142c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • 5.0.5

Botnet
  • Venom Clients

C2
  • blue.o7lab.me:4449

Mutex
  • Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    10

  • install

    true

  • install_file

    pop3.exe

  • install_folder

    %Temp%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Detect ZGRat V1 1 IoCs
  • Modifies security service 2 TTPs 2 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Async RAT payload 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:428
      • C:\Windows\System32\dllhost.exe
        C:\Windows\System32\dllhost.exe /Processid:{7fa4e402-8564-4555-8271-496f8e63025d}
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2876
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:472
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k DcomLaunch
          2⤵
            PID:596
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
              3⤵
                PID:804
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding
                3⤵
                  PID:2052
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k RPCSS
                2⤵
                  PID:676
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                  2⤵
                  • Modifies security service
                  PID:748
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                  2⤵
                    PID:812
                    • C:\Windows\system32\Dwm.exe
                      "C:\Windows\system32\Dwm.exe"
                      3⤵
                        PID:1152
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      2⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:848
                      • C:\Windows\system32\taskeng.exe
                        taskeng.exe {E71943FE-33A8-4D3B-9380-2ED8D60848CE} S-1-5-18:NT AUTHORITY\System:Service:
                        3⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2140
                        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
                          C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey('SO'+[Char](70)+''+[Char](84)+''+'W'+''+'A'+''+[Char](82)+''+'E'+'').GetValue(''+'$'+''+'7'+''+[Char](55)+''+[Char](115)+'t'+[Char](97)+'g'+'e'+'r')).EntryPoint.Invoke($Null,$Null)"
                          4⤵
                          • Suspicious use of NtCreateUserProcessOtherParentProcess
                          • Drops file in System32 directory
                          • Suspicious use of SetThreadContext
                          • Modifies data under HKEY_USERS
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of WriteProcessMemory
                          PID:2072
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalService
                      2⤵
                        PID:960
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k NetworkService
                        2⤵
                          PID:276
                        • C:\Windows\System32\spoolsv.exe
                          C:\Windows\System32\spoolsv.exe
                          2⤵
                            PID:1004
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                            2⤵
                              PID:1072
                            • C:\Windows\system32\taskhost.exe
                              "taskhost.exe"
                              2⤵
                                PID:1080
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                2⤵
                                  PID:1288
                                • C:\Windows\system32\sppsvc.exe
                                  C:\Windows\system32\sppsvc.exe
                                  2⤵
                                    PID:2148
                                • C:\Windows\system32\lsass.exe
                                  C:\Windows\system32\lsass.exe
                                  1⤵
                                    PID:488
                                  • C:\Windows\system32\lsm.exe
                                    C:\Windows\system32\lsm.exe
                                    1⤵
                                      PID:496
                                    • C:\Windows\Explorer.EXE
                                      C:\Windows\Explorer.EXE
                                      1⤵
                                        PID:1200
                                        • C:\Users\Admin\AppData\Local\Temp\9c0f25deda5fd180238008b7b97fab10_NeikiAnalytics.exe
                                          "C:\Users\Admin\AppData\Local\Temp\9c0f25deda5fd180238008b7b97fab10_NeikiAnalytics.exe"
                                          2⤵
                                          • Loads dropped DLL
                                          • Suspicious use of WriteProcessMemory
                                          PID:2216
                                          • C:\Users\Admin\AppData\Local\Temp\O7BOT.exe
                                            "C:\Users\Admin\AppData\Local\Temp\O7BOT.exe"
                                            3⤵
                                            • Executes dropped EXE
                                            • Adds Run key to start application
                                            • Checks processor information in registry
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:556
                                          • C:\Users\Admin\AppData\Local\Temp\svchost.exe
                                            "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
                                            3⤵
                                            • Executes dropped EXE
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:1796
                                          • C:\Users\Admin\AppData\Local\Temp\VENOM.exe
                                            "C:\Users\Admin\AppData\Local\Temp\VENOM.exe"
                                            3⤵
                                            • Executes dropped EXE
                                            • Loads dropped DLL
                                            • Suspicious use of WriteProcessMemory
                                            PID:2292
                                            • C:\Users\Admin\AppData\Roaming\Install.exe
                                              "C:\Users\Admin\AppData\Roaming\Install.exe"
                                              4⤵
                                              • Executes dropped EXE
                                              PID:1588
                                            • C:\Windows\SysWOW64\WerFault.exe
                                              C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 1020
                                              4⤵
                                              • Loads dropped DLL
                                              • Program crash
                                              PID:3024
                                          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                                            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $file='C:\Users\Admin\AppData\Local\Temp\9c0f25deda5fd180238008b7b97fab10_NeikiAnalytics.exe';for($i=1;$i -le 600 -and (Test-Path $file -PathType leaf);$i++){Remove-Item $file;Start-Sleep -m 100}
                                            3⤵
                                            • Deletes itself
                                            • Suspicious behavior: EnumeratesProcesses
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:2644
                                      • C:\Windows\system32\conhost.exe
                                        \??\C:\Windows\system32\conhost.exe "1807355002400027821487082641-628697697-1691833429-20167174171463726205109710044"
                                        1⤵
                                          PID:2972

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              VENOM.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\VENOM.exe
                                              • Size 376KB
                                              • SHA256 9c67f5654d96f6399a567bdd70314b0d746bffa8611591d473217e287a46d14e
                                              • MD5 SHA1 SHA512 SSDEEP

                                              svchost.exe

                                              • Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
                                              • Size 631KB
                                              • SHA256 784233bc80ea7857c39dbcd9c929a626093fced8c54224e742c4d0e1d128e80d
                                              • MD5 SHA1 SHA512 SSDEEP

                                              O7BOT.exe

                                              • Path \Users\Admin\AppData\Local\Temp\O7BOT.exe
                                              • Size 34KB
                                              • SHA256 def50a99856f6c75d6f714b390da7c98ba82ce0280c101c313cc90caf522f011
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Install.exe

                                              • Path \Users\Admin\AppData\Roaming\Install.exe
                                              • Size 162KB
                                              • SHA256 a4623b34f8d09f536e6d8e2f06f6edfb3975938eb0d9927e6cd2ff9c553468fc
                                              • MD5 SHA1 SHA512 SSDEEP

                                              memory/428-73-0x000007FEBFA40000-0x000007FEBFA50000-memory.dmp

                                              memory/428-74-0x0000000037820000-0x0000000037830000-memory.dmp

                                              memory/428-65-0x0000000000BC0000-0x0000000000BEB000-memory.dmp

                                              memory/428-72-0x0000000000BC0000-0x0000000000BEB000-memory.dmp

                                              memory/428-64-0x0000000000AF0000-0x0000000000B15000-memory.dmp

                                              memory/428-62-0x0000000000AF0000-0x0000000000B15000-memory.dmp

                                              memory/428-66-0x0000000000BC0000-0x0000000000BEB000-memory.dmp

                                              memory/472-86-0x0000000000CB0000-0x0000000000CDB000-memory.dmp

                                              memory/472-87-0x000007FEBFA40000-0x000007FEBFA50000-memory.dmp

                                              memory/472-88-0x0000000037820000-0x0000000037830000-memory.dmp

                                              memory/472-80-0x0000000000CB0000-0x0000000000CDB000-memory.dmp

                                              memory/488-100-0x00000000001E0000-0x000000000020B000-memory.dmp

                                              memory/488-94-0x00000000001E0000-0x000000000020B000-memory.dmp

                                              memory/488-102-0x0000000037820000-0x0000000037830000-memory.dmp

                                              memory/488-101-0x000007FEBFA40000-0x000007FEBFA50000-memory.dmp

                                              memory/496-108-0x00000000008C0000-0x00000000008EB000-memory.dmp

                                              memory/556-21-0x00000000009D0000-0x00000000009DE000-memory.dmp

                                              memory/1796-42-0x0000000000AF0000-0x0000000000B3C000-memory.dmp

                                              memory/1796-22-0x000000013FB20000-0x000000013FBC2000-memory.dmp

                                              memory/1796-27-0x000000001B830000-0x000000001B932000-memory.dmp

                                              memory/1796-150-0x000000001AC60000-0x000000001ACB4000-memory.dmp

                                              memory/1796-41-0x0000000000640000-0x0000000000696000-memory.dmp

                                              memory/2072-49-0x00000000777E0000-0x0000000077989000-memory.dmp

                                              memory/2072-47-0x0000000000980000-0x0000000000988000-memory.dmp

                                              memory/2072-46-0x0000000019FB0000-0x000000001A292000-memory.dmp

                                              memory/2072-48-0x0000000019EF0000-0x0000000019F1A000-memory.dmp

                                              memory/2072-50-0x00000000776C0000-0x00000000777DF000-memory.dmp

                                              memory/2216-0-0x0000000000400000-0x000000000058C000-memory.dmp

                                              memory/2292-36-0x000000000BA40000-0x000000000BA56000-memory.dmp

                                              memory/2292-26-0x0000000000410000-0x0000000000452000-memory.dmp

                                              memory/2292-23-0x0000000000A50000-0x0000000000AB4000-memory.dmp

                                              memory/2876-54-0x0000000140000000-0x0000000140008000-memory.dmp

                                              memory/2876-59-0x0000000140000000-0x0000000140008000-memory.dmp

                                              memory/2876-57-0x00000000777E0000-0x0000000077989000-memory.dmp

                                              memory/2876-56-0x0000000140000000-0x0000000140008000-memory.dmp

                                              memory/2876-53-0x0000000140000000-0x0000000140008000-memory.dmp

                                              memory/2876-52-0x0000000140000000-0x0000000140008000-memory.dmp

                                              memory/2876-51-0x0000000140000000-0x0000000140008000-memory.dmp