Analysis
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max time kernel
97s -
max time network
149s -
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 16:35
Static task
static1
Behavioral task
behavioral1
Sample
IAKIZ_file.exe
Resource
win7-20240903-en
General
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Target
IAKIZ_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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resource yara_rule behavioral2/memory/3420-24-0x0000000000400000-0x0000000000418000-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 4144 powershell.exe 628 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation NotepadUpdate.exe Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation IAKIZ_file.exe Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation IAKIZ_file.exe -
Executes dropped EXE 3 IoCs
pid Process 2192 NotepadUpdate.exe 4352 NotepadUpdate.exe 1548 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 3288 set thread context of 3420 3288 IAKIZ_file.exe 91 PID 2192 set thread context of 1548 2192 NotepadUpdate.exe 109 -
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 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe 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 IAKIZ_file.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 IAKIZ_file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1108 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 4204 schtasks.exe 3076 schtasks.exe 1620 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 4144 powershell.exe 3288 IAKIZ_file.exe 3288 IAKIZ_file.exe 4144 powershell.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 3420 IAKIZ_file.exe 2192 NotepadUpdate.exe 2192 NotepadUpdate.exe 628 powershell.exe 628 powershell.exe 1548 NotepadUpdate.exe 1548 NotepadUpdate.exe 1548 NotepadUpdate.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4144 powershell.exe Token: SeDebugPrivilege 3288 IAKIZ_file.exe Token: SeDebugPrivilege 3420 IAKIZ_file.exe Token: SeDebugPrivilege 2192 NotepadUpdate.exe Token: SeDebugPrivilege 628 powershell.exe Token: SeDebugPrivilege 1548 NotepadUpdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1548 NotepadUpdate.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 3288 wrote to memory of 4144 3288 IAKIZ_file.exe 86 PID 3288 wrote to memory of 4144 3288 IAKIZ_file.exe 86 PID 3288 wrote to memory of 4144 3288 IAKIZ_file.exe 86 PID 3288 wrote to memory of 4204 3288 IAKIZ_file.exe 88 PID 3288 wrote to memory of 4204 3288 IAKIZ_file.exe 88 PID 3288 wrote to memory of 4204 3288 IAKIZ_file.exe 88 PID 3288 wrote to memory of 4472 3288 IAKIZ_file.exe 90 PID 3288 wrote to memory of 4472 3288 IAKIZ_file.exe 90 PID 3288 wrote to memory of 4472 3288 IAKIZ_file.exe 90 PID 3288 wrote to memory of 3420 3288 IAKIZ_file.exe 91 PID 3288 wrote to memory of 3420 3288 IAKIZ_file.exe 91 PID 3288 wrote to memory of 3420 3288 IAKIZ_file.exe 91 PID 3288 wrote to memory of 3420 3288 IAKIZ_file.exe 91 PID 3288 wrote to memory of 3420 3288 IAKIZ_file.exe 91 PID 3288 wrote to memory of 3420 3288 IAKIZ_file.exe 91 PID 3288 wrote to memory of 3420 3288 IAKIZ_file.exe 91 PID 3288 wrote to memory of 3420 3288 IAKIZ_file.exe 91 PID 3420 wrote to memory of 4040 3420 IAKIZ_file.exe 96 PID 3420 wrote to memory of 4040 3420 IAKIZ_file.exe 96 PID 3420 wrote to memory of 4040 3420 IAKIZ_file.exe 96 PID 3420 wrote to memory of 3920 3420 IAKIZ_file.exe 97 PID 3420 wrote to memory of 3920 3420 IAKIZ_file.exe 97 PID 3420 wrote to memory of 3920 3420 IAKIZ_file.exe 97 PID 3920 wrote to memory of 1108 3920 cmd.exe 100 PID 3920 wrote to memory of 1108 3920 cmd.exe 100 PID 3920 wrote to memory of 1108 3920 cmd.exe 100 PID 4040 wrote to memory of 3076 4040 cmd.exe 101 PID 4040 wrote to memory of 3076 4040 cmd.exe 101 PID 4040 wrote to memory of 3076 4040 cmd.exe 101 PID 3920 wrote to memory of 2192 3920 cmd.exe 103 PID 3920 wrote to memory of 2192 3920 cmd.exe 103 PID 3920 wrote to memory of 2192 3920 cmd.exe 103 PID 2192 wrote to memory of 628 2192 NotepadUpdate.exe 104 PID 2192 wrote to memory of 628 2192 NotepadUpdate.exe 104 PID 2192 wrote to memory of 628 2192 NotepadUpdate.exe 104 PID 2192 wrote to memory of 1620 2192 NotepadUpdate.exe 106 PID 2192 wrote to memory of 1620 2192 NotepadUpdate.exe 106 PID 2192 wrote to memory of 1620 2192 NotepadUpdate.exe 106 PID 2192 wrote to memory of 4352 2192 NotepadUpdate.exe 108 PID 2192 wrote to memory of 4352 2192 NotepadUpdate.exe 108 PID 2192 wrote to memory of 4352 2192 NotepadUpdate.exe 108 PID 2192 wrote to memory of 1548 2192 NotepadUpdate.exe 109 PID 2192 wrote to memory of 1548 2192 NotepadUpdate.exe 109 PID 2192 wrote to memory of 1548 2192 NotepadUpdate.exe 109 PID 2192 wrote to memory of 1548 2192 NotepadUpdate.exe 109 PID 2192 wrote to memory of 1548 2192 NotepadUpdate.exe 109 PID 2192 wrote to memory of 1548 2192 NotepadUpdate.exe 109 PID 2192 wrote to memory of 1548 2192 NotepadUpdate.exe 109 PID 2192 wrote to memory of 1548 2192 NotepadUpdate.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\IAKIZ_file.exe"C:\Users\Admin\AppData\Local\Temp\IAKIZ_file.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3288 -
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:4144
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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\tmp14EA.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4204
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C:\Users\Admin\AppData\Local\Temp\IAKIZ_file.exe"C:\Users\Admin\AppData\Local\Temp\IAKIZ_file.exe"2⤵PID:4472
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C:\Users\Admin\AppData\Local\Temp\IAKIZ_file.exe"C:\Users\Admin\AppData\Local\Temp\IAKIZ_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:3420 -
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:4040 -
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:3076
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4476.tmp.bat""3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\SysWOW64\timeout.exetimeout 34⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1108
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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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192 -
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:628
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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\tmp8FA8.tmp"5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1620
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C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"C:\Users\Admin\AppData\Roaming\NotepadUpdate.exe"5⤵
- Executes dropped EXE
PID:4352
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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:1548
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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
MD58939af8eba945d26e9bc514085e19eea
SHA1cdcb318b11dc6cb3f0ce15815fd6da2d9eee8994
SHA25615c9eba0cbf76bf59b4b4dd0433399c888f03819ab1bb9e729ffa65806892fc8
SHA512826c809a46388e33d3ee70771f82808d88cd29e9bfa05329ed9a857375936e272417f9e4ef77d922ce05e0c47e4601d41b172f08b3dc92bed848ffd025e41f01
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5911aa98b25822f1ba2779622a592854f
SHA1a1a5dcc229abe08944761b6b0df8fa3b1681d97a
SHA2566a863c4ebea1746ce4f2603260a1074162546677df13c503030e14edd84a18a8
SHA51275c743cbfdb62f9eeee57d448b5d5ec78c7e2566a2e4f56f111ef51c8fca04b057006422c27c249eb09cb7390a966f1ada33a36cf81147ec59e4bd394a424f00
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Filesize
157B
MD5470b77270603a0c8d9e8c6dd74007654
SHA1e6408de3f905bc05f66a49fe99385b0f197c3e78
SHA256af663919bd93020889cd82a913ec6a745beca304e2252db794ea58e31c74807b
SHA512c2a11df5574d73b9b3547f624ec4599fc4873f47a913b1cb870690360e8b01f7b3b34c4013387b0bd064c56773fb114ff4898b60997ae34470958db68f1404f9
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
785KB
MD5854ca372c90e86bd9a9dce642d7c1a88
SHA111c86768112cfb75a3a9b0b8ef36997e80fedcdf
SHA25652a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8
SHA5128e84e56178ecde6b20e3c605e146b001e5a1f4afe3101f299d18278f666ef4f478c68d3ec0dbe48e95960fb23ab970c1be6534627fe2029137b30f9d1f6dee43