Analysis
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max time kernel
97s -
max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-12-2024 16:17
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240708-en
General
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Target
file.exe
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Size
785KB
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MD5
854ca372c90e86bd9a9dce642d7c1a88
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SHA1
11c86768112cfb75a3a9b0b8ef36997e80fedcdf
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SHA256
52a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8
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SHA512
8e84e56178ecde6b20e3c605e146b001e5a1f4afe3101f299d18278f666ef4f478c68d3ec0dbe48e95960fb23ab970c1be6534627fe2029137b30f9d1f6dee43
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SSDEEP
12288:x1M0EGmwx0mUkw1tnPxv8opsdH0dwDIqkR:xuymwZ3UtPxvnps8wY
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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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 3312 powershell.exe 1440 powershell.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation NotepadUpdate.exe -
Executes dropped EXE 2 IoCs
pid Process 2384 NotepadUpdate.exe 1968 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 3016 set thread context of 2760 3016 file.exe 100 PID 2384 set thread context of 1968 2384 NotepadUpdate.exe 115 -
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 powershell.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 file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2744 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 3392 schtasks.exe 824 schtasks.exe 2068 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 3312 powershell.exe 3312 powershell.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 2760 file.exe 1440 powershell.exe 1440 powershell.exe 1968 NotepadUpdate.exe 1968 NotepadUpdate.exe 1968 NotepadUpdate.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3312 powershell.exe Token: SeDebugPrivilege 2760 file.exe Token: SeDebugPrivilege 1440 powershell.exe Token: SeDebugPrivilege 1968 NotepadUpdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1968 NotepadUpdate.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 3016 wrote to memory of 3312 3016 file.exe 96 PID 3016 wrote to memory of 3312 3016 file.exe 96 PID 3016 wrote to memory of 3312 3016 file.exe 96 PID 3016 wrote to memory of 2068 3016 file.exe 98 PID 3016 wrote to memory of 2068 3016 file.exe 98 PID 3016 wrote to memory of 2068 3016 file.exe 98 PID 3016 wrote to memory of 2760 3016 file.exe 100 PID 3016 wrote to memory of 2760 3016 file.exe 100 PID 3016 wrote to memory of 2760 3016 file.exe 100 PID 3016 wrote to memory of 2760 3016 file.exe 100 PID 3016 wrote to memory of 2760 3016 file.exe 100 PID 3016 wrote to memory of 2760 3016 file.exe 100 PID 3016 wrote to memory of 2760 3016 file.exe 100 PID 3016 wrote to memory of 2760 3016 file.exe 100 PID 2760 wrote to memory of 2528 2760 file.exe 103 PID 2760 wrote to memory of 2528 2760 file.exe 103 PID 2760 wrote to memory of 2528 2760 file.exe 103 PID 2760 wrote to memory of 2540 2760 file.exe 105 PID 2760 wrote to memory of 2540 2760 file.exe 105 PID 2760 wrote to memory of 2540 2760 file.exe 105 PID 2528 wrote to memory of 3392 2528 cmd.exe 107 PID 2528 wrote to memory of 3392 2528 cmd.exe 107 PID 2528 wrote to memory of 3392 2528 cmd.exe 107 PID 2540 wrote to memory of 2744 2540 cmd.exe 108 PID 2540 wrote to memory of 2744 2540 cmd.exe 108 PID 2540 wrote to memory of 2744 2540 cmd.exe 108 PID 2540 wrote to memory of 2384 2540 cmd.exe 110 PID 2540 wrote to memory of 2384 2540 cmd.exe 110 PID 2540 wrote to memory of 2384 2540 cmd.exe 110 PID 2384 wrote to memory of 1440 2384 NotepadUpdate.exe 111 PID 2384 wrote to memory of 1440 2384 NotepadUpdate.exe 111 PID 2384 wrote to memory of 1440 2384 NotepadUpdate.exe 111 PID 2384 wrote to memory of 824 2384 NotepadUpdate.exe 113 PID 2384 wrote to memory of 824 2384 NotepadUpdate.exe 113 PID 2384 wrote to memory of 824 2384 NotepadUpdate.exe 113 PID 2384 wrote to memory of 1968 2384 NotepadUpdate.exe 115 PID 2384 wrote to memory of 1968 2384 NotepadUpdate.exe 115 PID 2384 wrote to memory of 1968 2384 NotepadUpdate.exe 115 PID 2384 wrote to memory of 1968 2384 NotepadUpdate.exe 115 PID 2384 wrote to memory of 1968 2384 NotepadUpdate.exe 115 PID 2384 wrote to memory of 1968 2384 NotepadUpdate.exe 115 PID 2384 wrote to memory of 1968 2384 NotepadUpdate.exe 115 PID 2384 wrote to memory of 1968 2384 NotepadUpdate.exe 115
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016 -
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:3312
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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\tmpF889.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2068
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760 -
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:2528 -
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:3392
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2AA5.tmp.bat""3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Windows\SysWOW64\timeout.exetimeout 34⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2744
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C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384 -
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:1440
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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\tmp77EA.tmp"5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:824
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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:1968
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5f597cb6f3b2acbc444d010a160d2d679
SHA1d4ef34e6eeb4f305acd794bde920060df52caeab
SHA256a69b88e44b307c4a47543db899b9c81ce67b6313b267e77b706ed529096471c9
SHA512c536af0ff5253a861ed5779c402cd19efd2278080b172dba1369ec3b12dcd4898574e097f135644ec951485f6ffd36159aadd3f7a733dd1381adb36cac4a997d
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
157B
MD59d92d8128cd395de73f00d569eeafc40
SHA1c8eccd899c7aa20f3b5e28dbeeebf948e4a98901
SHA2568699b39b4c3d77a8da21a81d83edf2d593beb031ccdd91045aff8e77a3449b93
SHA512eec8837d788e0c8bbafb58ddf4e2e0e685595835f4c14de53e5f60848628b0879fca1fa68c3cbfd77e2bca24c8aa8e3685bb04b228b1e04219958f160300f31d
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Filesize
1KB
MD59fc168ab6fe6ed238e7806849fc54787
SHA17a216c6577f90d6c872428bdd4978318233e254b
SHA256d6409c0dd6c75cee225f5b9f36847d30725ad129754df38fef74df74375985f6
SHA512a0ba5ce300f00b98257b18fcf07bfb200b1436489f2b3f65fd050dd0ba7aee3985fd95b5738593727015402e0431d7c7e32ee8b9b866d0e1d125e653e858035a
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
785KB
MD5854ca372c90e86bd9a9dce642d7c1a88
SHA111c86768112cfb75a3a9b0b8ef36997e80fedcdf
SHA25652a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8
SHA5128e84e56178ecde6b20e3c605e146b001e5a1f4afe3101f299d18278f666ef4f478c68d3ec0dbe48e95960fb23ab970c1be6534627fe2029137b30f9d1f6dee43