Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/08/2026, 16:00
Behavioral task
behavioral1
Sample
112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe
Resource
win11ltsc2024-20260709-en
General
- Target 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe
- Size 45KB
- Sample260816-tfvb7a11ct
- SHA256 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531
- MD5 9bd2546e88bb7ff9dac20dc84da71055
- SHA1 ea170c99c0eb73eeceeab22c6f1eb7b5960ab81a
- SHA512 049faf8a6e3b290110cd1ffe5417a644c352e5f1ca0624f90727fbba8615be4d1079535c42fc2155ee67e243dfc8b58c5979372bc821e4cbbaefbf10b11f3aa3
- SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1uFaPklZL3APIFzjbEgX3ilr4z+kWWnabmJBDZUx:cu6YepTPso23EkfL3lF3bLXSYaWaSXdW
- TLSH T196230A003BE9813BF2BE4F78ADF26145867AF2637602D64E1CC451DB5623BC686426FD
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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streamforester.name:80
-
streamforester.name:22
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streamforester.name:8080
-
streamforester.name:8880
-
streamforester.name:2052
-
streamforester.name:2082
-
streamforester.name:2086
-
streamforester.name:2095
-
streamforester.name:443
-
streamforester.name:2053
-
streamforester.name:2083
-
streamforester.name:2087
-
streamforester.name:2096
-
streamforester.name:8443
-
www.streamforester.name:80
-
www.streamforester.name:22
-
www.streamforester.name:8080
-
www.streamforester.name:8880
-
www.streamforester.name:2052
-
www.streamforester.name:2082
-
www.streamforester.name:2086
-
www.streamforester.name:2095
-
www.streamforester.name:443
-
www.streamforester.name:2053
-
www.streamforester.name:2083
-
www.streamforester.name:2087
-
www.streamforester.name:2096
-
www.streamforester.name:8443
-
clop.streamforester.name:80
-
clop.streamforester.name:22
-
clop.streamforester.name:8080
-
clop.streamforester.name:8880
-
clop.streamforester.name:2052
-
clop.streamforester.name:2082
-
clop.streamforester.name:2086
-
clop.streamforester.name:2095
-
clop.streamforester.name:443
-
clop.streamforester.name:2053
-
clop.streamforester.name:2083
-
clop.streamforester.name:2087
-
clop.streamforester.name:2096
-
clop.streamforester.name:8443
-
wannacry.streamforester.name:80
-
wannacry.streamforester.name:22
-
wannacry.streamforester.name:8080
-
wannacry.streamforester.name:8880
-
wannacry.streamforester.name:2052
-
wannacry.streamforester.name:2082
-
wannacry.streamforester.name:2086
-
wannacry.streamforester.name:2095
-
wannacry.streamforester.name:443
-
wannacry.streamforester.name:2053
-
wannacry.streamforester.name:2083
-
wannacry.streamforester.name:2087
-
wannacry.streamforester.name:2096
-
wannacry.streamforester.name:8443
-
U6nq2oxpIXZB
-
delay
0
-
install
true
-
install_file
451u4wky.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x000800000002293a-8.dat family_asyncrat behavioral1/memory/4948-10-0x0000000005780000-0x0000000005790000-memory.dmp family_asyncrat - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe - Executes dropped EXE 2 IoCs
pid Process 4948 451u4wky.exe 4396 451u4wky.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3068 cmd.exe 3800 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 7 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 451u4wky.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 451u4wky.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4568 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5068 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe Token: SeDebugPrivilege 4948 451u4wky.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4332 wrote to memory of 3068 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 85 PID 4332 wrote to memory of 3800 4332 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe 87 PID 3800 wrote to memory of 4568 3800 cmd.exe 89 PID 3068 wrote to memory of 5068 3068 cmd.exe 90 PID 3800 wrote to memory of 4396 3800 cmd.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe"C:\Users\Admin\AppData\Local\Temp\112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "451u4wky" /tr '"C:\Users\Admin\AppData\Roaming\451u4wky.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "451u4wky" /tr '"C:\Users\Admin\AppData\Roaming\451u4wky.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5068
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6155.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3800 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4568
-
-
C:\Users\Admin\AppData\Roaming\451u4wky.exe"C:\Users\Admin\AppData\Roaming\451u4wky.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4396
-
-
-
C:\Users\Admin\AppData\Roaming\451u4wky.exe"C:\Users\Admin\AppData\Roaming\451u4wky.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4948
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp6155.tmp.bat
- Size 152B
- SHA256 099f9b485d2c2166b43f658ba55a81b4c6f66c739860fe099f4e36020561d4a5
- MD5 6d0ccad8beea65d4b440bbd601696564
- SHA1 939821538110ecc796ee07e6fca4d619eabce060
- SHA512 4a8cba8f2debd7d3491380c95609cfe46fc1399294f68d497ad2bc6f121fa38468c20aaea9a8f12e93a5c698098484a86b7994532258f8dd7bb6d3044265be27
- TLSH T145C08C5295C5AA1E2905541302BA959CA26668293E40AB00C704400D9280889E099381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\451u4wky.exe
- Size 45KB
- SHA256 112fdd114ed87c28ef9ffd45c51090f8174def25f07f030bf1dca91e4c668531
- MD5 9bd2546e88bb7ff9dac20dc84da71055
- SHA1 ea170c99c0eb73eeceeab22c6f1eb7b5960ab81a
- SHA512 049faf8a6e3b290110cd1ffe5417a644c352e5f1ca0624f90727fbba8615be4d1079535c42fc2155ee67e243dfc8b58c5979372bc821e4cbbaefbf10b11f3aa3
- SSDEEP 768:cu6RaepTPYzbs8WU+Xaamo2q1uFaPklZL3APIFzjbEgX3ilr4z+kWWnabmJBDZUx:cu6YepTPso23EkfL3lF3bLXSYaWaSXdW
- TLSH T196230A003BE9813BF2BE4F78ADF26145867AF2637602D64E1CC451DB5623BC686426FD
- MD5 SHA1 SHA512 SSDEEP TLSH