Analysis
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max time kernel
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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 16:24
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/872-33-0x0000000000400000-0x0000000000418000-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 4920 powershell.exe 4804 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation IAKIZ_file.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation NotepadUpdate.exe Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation IAKIZ_file.exe -
Executes dropped EXE 2 IoCs
pid Process 2408 NotepadUpdate.exe 2500 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 2444 set thread context of 872 2444 IAKIZ_file.exe 98 PID 2408 set thread context of 2500 2408 NotepadUpdate.exe 117 -
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 timeout.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 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 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 NotepadUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IAKIZ_file.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3272 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 4644 schtasks.exe 3948 schtasks.exe 752 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 34 IoCs
pid Process 2444 IAKIZ_file.exe 2444 IAKIZ_file.exe 4920 powershell.exe 2444 IAKIZ_file.exe 2444 IAKIZ_file.exe 4920 powershell.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 872 IAKIZ_file.exe 4804 powershell.exe 4804 powershell.exe 2500 NotepadUpdate.exe 2500 NotepadUpdate.exe 2500 NotepadUpdate.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4920 powershell.exe Token: SeDebugPrivilege 2444 IAKIZ_file.exe Token: SeDebugPrivilege 872 IAKIZ_file.exe Token: SeDebugPrivilege 4804 powershell.exe Token: SeDebugPrivilege 2500 NotepadUpdate.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2500 NotepadUpdate.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 2444 wrote to memory of 4920 2444 IAKIZ_file.exe 92 PID 2444 wrote to memory of 4920 2444 IAKIZ_file.exe 92 PID 2444 wrote to memory of 4920 2444 IAKIZ_file.exe 92 PID 2444 wrote to memory of 4644 2444 IAKIZ_file.exe 94 PID 2444 wrote to memory of 4644 2444 IAKIZ_file.exe 94 PID 2444 wrote to memory of 4644 2444 IAKIZ_file.exe 94 PID 2444 wrote to memory of 4044 2444 IAKIZ_file.exe 96 PID 2444 wrote to memory of 4044 2444 IAKIZ_file.exe 96 PID 2444 wrote to memory of 4044 2444 IAKIZ_file.exe 96 PID 2444 wrote to memory of 5020 2444 IAKIZ_file.exe 97 PID 2444 wrote to memory of 5020 2444 IAKIZ_file.exe 97 PID 2444 wrote to memory of 5020 2444 IAKIZ_file.exe 97 PID 2444 wrote to memory of 872 2444 IAKIZ_file.exe 98 PID 2444 wrote to memory of 872 2444 IAKIZ_file.exe 98 PID 2444 wrote to memory of 872 2444 IAKIZ_file.exe 98 PID 2444 wrote to memory of 872 2444 IAKIZ_file.exe 98 PID 2444 wrote to memory of 872 2444 IAKIZ_file.exe 98 PID 2444 wrote to memory of 872 2444 IAKIZ_file.exe 98 PID 2444 wrote to memory of 872 2444 IAKIZ_file.exe 98 PID 2444 wrote to memory of 872 2444 IAKIZ_file.exe 98 PID 872 wrote to memory of 2128 872 IAKIZ_file.exe 103 PID 872 wrote to memory of 2128 872 IAKIZ_file.exe 103 PID 872 wrote to memory of 2128 872 IAKIZ_file.exe 103 PID 872 wrote to memory of 1928 872 IAKIZ_file.exe 105 PID 872 wrote to memory of 1928 872 IAKIZ_file.exe 105 PID 872 wrote to memory of 1928 872 IAKIZ_file.exe 105 PID 1928 wrote to memory of 3272 1928 cmd.exe 107 PID 1928 wrote to memory of 3272 1928 cmd.exe 107 PID 1928 wrote to memory of 3272 1928 cmd.exe 107 PID 2128 wrote to memory of 3948 2128 cmd.exe 108 PID 2128 wrote to memory of 3948 2128 cmd.exe 108 PID 2128 wrote to memory of 3948 2128 cmd.exe 108 PID 1928 wrote to memory of 2408 1928 cmd.exe 111 PID 1928 wrote to memory of 2408 1928 cmd.exe 111 PID 1928 wrote to memory of 2408 1928 cmd.exe 111 PID 2408 wrote to memory of 4804 2408 NotepadUpdate.exe 113 PID 2408 wrote to memory of 4804 2408 NotepadUpdate.exe 113 PID 2408 wrote to memory of 4804 2408 NotepadUpdate.exe 113 PID 2408 wrote to memory of 752 2408 NotepadUpdate.exe 115 PID 2408 wrote to memory of 752 2408 NotepadUpdate.exe 115 PID 2408 wrote to memory of 752 2408 NotepadUpdate.exe 115 PID 2408 wrote to memory of 2500 2408 NotepadUpdate.exe 117 PID 2408 wrote to memory of 2500 2408 NotepadUpdate.exe 117 PID 2408 wrote to memory of 2500 2408 NotepadUpdate.exe 117 PID 2408 wrote to memory of 2500 2408 NotepadUpdate.exe 117 PID 2408 wrote to memory of 2500 2408 NotepadUpdate.exe 117 PID 2408 wrote to memory of 2500 2408 NotepadUpdate.exe 117 PID 2408 wrote to memory of 2500 2408 NotepadUpdate.exe 117 PID 2408 wrote to memory of 2500 2408 NotepadUpdate.exe 117
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:2444 -
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:4920
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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\tmpEE29.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4644
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C:\Users\Admin\AppData\Local\Temp\IAKIZ_file.exe"C:\Users\Admin\AppData\Local\Temp\IAKIZ_file.exe"2⤵PID:4044
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C:\Users\Admin\AppData\Local\Temp\IAKIZ_file.exe"C:\Users\Admin\AppData\Local\Temp\IAKIZ_file.exe"2⤵PID:5020
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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:872 -
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:2128 -
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:3948
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1BD0.tmp.bat""3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Windows\SysWOW64\timeout.exetimeout 34⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3272
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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:2408 -
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:4804
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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\tmp676F.tmp"5⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:752
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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:2500
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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
MD57ccdd19d310e24f59b2d69528e6ef1d6
SHA1fdfd09c7088bab98740ad24a46346648179a5171
SHA2561b0f272be44a4354f01e15deb5caf147997afd1f8ca30a585c4e29275f54cd16
SHA51212d6585e5c67e57da2f97ece7f904ce52b4021713be0b0f6e400aad16ece82b8da5ec4ca4606a541db1784b5933a160cbefaedec04af93e928de57770809e773
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
157B
MD57470b33a1db89a8472413d8ae0fae3cd
SHA133e5e04a0c6365386e9750c349074ee56901abb3
SHA2564d9f4ce72e8878b15eb92b78c1fb54802c5b07f9d76e8d5df658182612ae0b55
SHA512ae43cb781bd848d3c5de97d4cf8b16f0d72a18af52de93ddb8fa3ce5586a103476e4f86cb503332ddb2b7b964468ae4b1971c4317ee6f4d56c82d2ceb8db152b
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Filesize
1KB
MD5712a059c664ff73b44656d6954a7d45c
SHA14d2b6868a77c4265c214a182b89d7bca9ecd2540
SHA256fe83b63ad95b9927db0c6545855a78138cceadaf807e00b408fec6e08f4cb5be
SHA512ed64bfc1c1a92e79e80a8b3b1edf84779357bbc525cfd1c55a380505b53749711e6621edb07c155430527b574b05419217d209ea092044aa8148aa5612d18944
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Filesize
8B
MD5cf759e4c5f14fe3eec41b87ed756cea8
SHA1c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b
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Filesize
785KB
MD5854ca372c90e86bd9a9dce642d7c1a88
SHA111c86768112cfb75a3a9b0b8ef36997e80fedcdf
SHA25652a610b0ad89165f4a65a504f9cdd2ecdf8310d96088529fed72463a54fcd6c8
SHA5128e84e56178ecde6b20e3c605e146b001e5a1f4afe3101f299d18278f666ef4f478c68d3ec0dbe48e95960fb23ab970c1be6534627fe2029137b30f9d1f6dee43