Analysis
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max time kernel
147s -
max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
09-12-2024 16:18
Static task
static1
Behavioral task
behavioral1
Sample
41VMO_file.exe
Resource
win7-20241010-en
General
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Target
41VMO_file.exe
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Size
3.6MB
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MD5
d3f515d42cf7e62738c596dc4ba9fdb9
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SHA1
f63216b18ab4265d9c0b3243ba491fcb74b1bac6
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SHA256
1e01e5c379d7504669a75f317c60c31297dc347792b9131fad73092a88383393
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SHA512
81462412b18e715f81499769c6e3a89cd612683151b7984452dac4f1e5b2e69b6a0fc6542103327e6e46668d9b2268502fcc98415c44a054f1168f7bc8fefb52
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SSDEEP
49152:TwWtZnTwCk7UHla796h+16eUMTycWaX/Ngvv1VlHIPIV/CdQvJuJ44wPcbErkcz3:TwwvYXUMmczWvnlo0KSj5L1Ln9
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
185.208.158.187:4449
tnybaidkzovl
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delay
10
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install
true
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install_file
NotepadUpdate.exe
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install_folder
%AppData%
Signatures
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Asyncrat family
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resource yara_rule behavioral1/memory/2500-20-0x0000000000400000-0x0000000000418000-memory.dmp VenomRAT behavioral1/memory/2500-23-0x0000000000400000-0x0000000000418000-memory.dmp VenomRAT behavioral1/memory/2500-25-0x0000000000400000-0x0000000000418000-memory.dmp VenomRAT behavioral1/memory/2500-24-0x0000000000400000-0x0000000000418000-memory.dmp VenomRAT behavioral1/memory/2500-18-0x0000000000400000-0x0000000000418000-memory.dmp VenomRAT behavioral1/memory/2136-66-0x0000000000400000-0x0000000000418000-memory.dmp VenomRAT behavioral1/memory/2136-64-0x0000000000400000-0x0000000000418000-memory.dmp VenomRAT -
Venomrat family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2964 powershell.exe 1800 powershell.exe -
Executes dropped EXE 4 IoCs
pid Process 2936 NotepadUpdate.exe 2256 NotepadUpdate.exe 808 NotepadUpdate.exe 2136 NotepadUpdate.exe -
Loads dropped DLL 4 IoCs
pid Process 2160 cmd.exe 2936 NotepadUpdate.exe 2936 NotepadUpdate.exe 2936 NotepadUpdate.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2944 set thread context of 2500 2944 41VMO_file.exe 34 PID 2936 set thread context of 2136 2936 NotepadUpdate.exe 49 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NotepadUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 41VMO_file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 41VMO_file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NotepadUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2000 timeout.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2140 schtasks.exe 2560 schtasks.exe 812 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 31 IoCs
pid Process 2964 powershell.exe 2500 41VMO_file.exe 2500 41VMO_file.exe 2500 41VMO_file.exe 2936 NotepadUpdate.exe 2936 NotepadUpdate.exe 2936 NotepadUpdate.exe 2936 NotepadUpdate.exe 1800 powershell.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe 2136 NotepadUpdate.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2500 41VMO_file.exe Token: SeDebugPrivilege 2964 powershell.exe Token: SeDebugPrivilege 2936 NotepadUpdate.exe Token: SeDebugPrivilege 1800 powershell.exe Token: SeDebugPrivilege 2136 NotepadUpdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2136 NotepadUpdate.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2944 wrote to memory of 2964 2944 41VMO_file.exe 30 PID 2944 wrote to memory of 2964 2944 41VMO_file.exe 30 PID 2944 wrote to memory of 2964 2944 41VMO_file.exe 30 PID 2944 wrote to memory of 2964 2944 41VMO_file.exe 30 PID 2944 wrote to memory of 2140 2944 41VMO_file.exe 32 PID 2944 wrote to memory of 2140 2944 41VMO_file.exe 32 PID 2944 wrote to memory of 2140 2944 41VMO_file.exe 32 PID 2944 wrote to memory of 2140 2944 41VMO_file.exe 32 PID 2944 wrote to memory of 2500 2944 41VMO_file.exe 34 PID 2944 wrote to memory of 2500 2944 41VMO_file.exe 34 PID 2944 wrote to memory of 2500 2944 41VMO_file.exe 34 PID 2944 wrote to memory of 2500 2944 41VMO_file.exe 34 PID 2944 wrote to memory of 2500 2944 41VMO_file.exe 34 PID 2944 wrote to memory of 2500 2944 41VMO_file.exe 34 PID 2944 wrote to memory of 2500 2944 41VMO_file.exe 34 PID 2944 wrote to memory of 2500 2944 41VMO_file.exe 34 PID 2944 wrote to memory of 2500 2944 41VMO_file.exe 34 PID 2500 wrote to memory of 2920 2500 41VMO_file.exe 36 PID 2500 wrote to memory of 2920 2500 41VMO_file.exe 36 PID 2500 wrote to memory of 2920 2500 41VMO_file.exe 36 PID 2500 wrote to memory of 2920 2500 41VMO_file.exe 36 PID 2500 wrote to memory of 2160 2500 41VMO_file.exe 38 PID 2500 wrote to memory of 2160 2500 41VMO_file.exe 38 PID 2500 wrote to memory of 2160 2500 41VMO_file.exe 38 PID 2500 wrote to memory of 2160 2500 41VMO_file.exe 38 PID 2920 wrote to memory of 2560 2920 cmd.exe 40 PID 2920 wrote to memory of 2560 2920 cmd.exe 40 PID 2920 wrote to memory of 2560 2920 cmd.exe 40 PID 2920 wrote to memory of 2560 2920 cmd.exe 40 PID 2160 wrote to memory of 2000 2160 cmd.exe 41 PID 2160 wrote to memory of 2000 2160 cmd.exe 41 PID 2160 wrote to memory of 2000 2160 cmd.exe 41 PID 2160 wrote to memory of 2000 2160 cmd.exe 41 PID 2160 wrote to memory of 2936 2160 cmd.exe 42 PID 2160 wrote to memory of 2936 2160 cmd.exe 42 PID 2160 wrote to memory of 2936 2160 cmd.exe 42 PID 2160 wrote to memory of 2936 2160 cmd.exe 42 PID 2160 wrote to memory of 2936 2160 cmd.exe 42 PID 2160 wrote to memory of 2936 2160 cmd.exe 42 PID 2160 wrote to memory of 2936 2160 cmd.exe 42 PID 2936 wrote to memory of 1800 2936 NotepadUpdate.exe 43 PID 2936 wrote to memory of 1800 2936 NotepadUpdate.exe 43 PID 2936 wrote to memory of 1800 2936 NotepadUpdate.exe 43 PID 2936 wrote to memory of 1800 2936 NotepadUpdate.exe 43 PID 2936 wrote to memory of 812 2936 NotepadUpdate.exe 45 PID 2936 wrote to memory of 812 2936 NotepadUpdate.exe 45 PID 2936 wrote to memory of 812 2936 NotepadUpdate.exe 45 PID 2936 wrote to memory of 812 2936 NotepadUpdate.exe 45 PID 2936 wrote to memory of 2256 2936 NotepadUpdate.exe 47 PID 2936 wrote to memory of 2256 2936 NotepadUpdate.exe 47 PID 2936 wrote to memory of 2256 2936 NotepadUpdate.exe 47 PID 2936 wrote to memory of 2256 2936 NotepadUpdate.exe 47 PID 2936 wrote to memory of 2256 2936 NotepadUpdate.exe 47 PID 2936 wrote to memory of 2256 2936 NotepadUpdate.exe 47 PID 2936 wrote to memory of 2256 2936 NotepadUpdate.exe 47 PID 2936 wrote to memory of 808 2936 NotepadUpdate.exe 48 PID 2936 wrote to memory of 808 2936 NotepadUpdate.exe 48 PID 2936 wrote to memory of 808 2936 NotepadUpdate.exe 48 PID 2936 wrote to memory of 808 2936 NotepadUpdate.exe 48 PID 2936 wrote to memory of 808 2936 NotepadUpdate.exe 48 PID 2936 wrote to memory of 808 2936 NotepadUpdate.exe 48 PID 2936 wrote to memory of 808 2936 NotepadUpdate.exe 48 PID 2936 wrote to memory of 2136 2936 NotepadUpdate.exe 49 PID 2936 wrote to memory of 2136 2936 NotepadUpdate.exe 49
Processes
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C:\Users\Admin\AppData\Local\Temp\41VMO_file.exe"C:\Users\Admin\AppData\Local\Temp\41VMO_file.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2944 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yRnixT.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2964
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yRnixT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAEF5.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2140
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C:\Users\Admin\AppData\Local\Temp\41VMO_file.exe"C:\Users\Admin\AppData\Local\Temp\41VMO_file.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "NotepadUpdate" /tr '"C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"' & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "NotepadUpdate" /tr '"C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"'4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2560
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpDB71.tmp.bat""3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\SysWOW64\timeout.exetimeout 34⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2000
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C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yRnixT.exe"5⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1800
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yRnixT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp23B6.tmp"5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:812
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C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"5⤵
- Executes dropped EXE
PID:2256
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C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"5⤵
- Executes dropped EXE
PID:808
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C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2136
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
1KB
MD59ec835097da439048f3a483f0a2edc65
SHA1a3c6a680263c1f222fcd13fe7d001ab401ea33cf
SHA256e3f20f47843741ff2325e4ced8248ab6983a5ced0939eeef4bb5b5e9ce4ea6d6
SHA512bbeea37da7eb626ff4fee2f3381ea0cd748df2affd79d2b3227439f4950c1d870c73b82f57f6005dff8aca751fad16c249df1d1b4ae3970325c15d337a965216
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Filesize
157B
MD51b821860b8d2997e61bddc5ffa0ec814
SHA1ccda9244e6eb002464ccfedce7c75e761e40df6b
SHA256bd041ff4c294d6c4e81f2dd945def49f7affe159280292ce2defe2562ca3198a
SHA512cbd8fe51d0db03d732f7e1ed0a77d56ec6afa2f4e0bfd69b081b5d9c6c7d5bf3f9b7ca92bb39b1a8e94196f609fabc0322b86f7f78494955bd14c194840778db
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3WHYQRVJ65LJJDS1LJHW.temp
Filesize7KB
MD5fed1d009424fc373ef70597a1bbd6d81
SHA1e804ce97962c2be43241f4e579bd629c68a7c29f
SHA2561d4b7755cb61b6b4a28b3b54c368375181a5c5b0fcbd0a7113d1a0b126227b53
SHA5121c577179bb299f1d304ba1b9530984f09ad03756efca65519670837ae8932d95546aecf8d7ad7c75b03fb432bab1b78223cef24b6a7fb877963d86830bf8d708
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD52cd2f7681bf10b7cb1b5222272deff1e
SHA1170ced3e81ed2389a55446e073aa6449df93b6f4
SHA256c7cd447cc562e260bcc30f2490046c8a46957fa271d6f73f4482438951ea2d51
SHA512178818789ebc790c9e0882edb98fe5680d623d4933381b91c9797c498e24d95fcfc440e8a6c19037b9ab8f3ebabc334d53cca684f00ee008b3a2c4560365c24e
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
3.6MB
MD5d3f515d42cf7e62738c596dc4ba9fdb9
SHA1f63216b18ab4265d9c0b3243ba491fcb74b1bac6
SHA2561e01e5c379d7504669a75f317c60c31297dc347792b9131fad73092a88383393
SHA51281462412b18e715f81499769c6e3a89cd612683151b7984452dac4f1e5b2e69b6a0fc6542103327e6e46668d9b2268502fcc98415c44a054f1168f7bc8fefb52