Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/09/2026, 14:00
Behavioral task
behavioral1
Sample
a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe
Resource
win11ltsc2024-20260709-en
General
- Target a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe
- Size 45KB
- Sample260905-rayfjsdm9v
- SHA256 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e
- MD5 15bf4c586b8d07f86488c3180f29dd3e
- SHA1 1d5b814fae32ef4b9c16c2776a5b96514ab795c1
- SHA512 d5d699830f7de3b91449080e6388ec7f7c993fcc824d3d60778e2104415825601777feaa27e192cc2d57e8a8dca94f1f58445f4d43e5d994db69a06ad8178745
- SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVecP0pycvHPIjzjbjgX3i9Xd7vV2FmhAnBDZbx:4uBfJTMpv2NccMcvgj3b8XS9XdLV2U8/
- TLSH T199231B003BE8C237F2BE4F78A8F26145467AF6636603D5491CC451DB5623FC69A42AFD
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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asyncrat
-
0.5.8
-
Default
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vlxxtv.org:80
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vlxxtv.org:22
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vlxxtv.org:8080
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vlxxtv.org:8880
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vlxxtv.org:2052
-
vlxxtv.org:2082
-
vlxxtv.org:2086
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vlxxtv.org:2095
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vlxxtv.org:443
-
vlxxtv.org:2053
-
vlxxtv.org:2083
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vlxxtv.org:2087
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vlxxtv.org:2096
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vlxxtv.org:8443
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www.vlxxtv.org:80
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www.vlxxtv.org:22
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www.vlxxtv.org:8080
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www.vlxxtv.org:8880
-
www.vlxxtv.org:2052
-
www.vlxxtv.org:2082
-
www.vlxxtv.org:2086
-
www.vlxxtv.org:2095
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www.vlxxtv.org:443
-
www.vlxxtv.org:2053
-
www.vlxxtv.org:2083
-
www.vlxxtv.org:2087
-
www.vlxxtv.org:2096
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www.vlxxtv.org:8443
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sasser.vlxxtv.org:80
-
sasser.vlxxtv.org:22
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sasser.vlxxtv.org:8080
-
sasser.vlxxtv.org:8880
-
sasser.vlxxtv.org:2052
-
sasser.vlxxtv.org:2082
-
sasser.vlxxtv.org:2086
-
sasser.vlxxtv.org:2095
-
sasser.vlxxtv.org:443
-
sasser.vlxxtv.org:2053
-
sasser.vlxxtv.org:2083
-
sasser.vlxxtv.org:2087
-
sasser.vlxxtv.org:2096
-
sasser.vlxxtv.org:8443
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ursnif.vlxxtv.org:80
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ursnif.vlxxtv.org:22
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ursnif.vlxxtv.org:8080
-
ursnif.vlxxtv.org:8880
-
ursnif.vlxxtv.org:2052
-
ursnif.vlxxtv.org:2082
-
ursnif.vlxxtv.org:2086
-
ursnif.vlxxtv.org:2095
-
ursnif.vlxxtv.org:443
-
ursnif.vlxxtv.org:2053
-
ursnif.vlxxtv.org:2083
-
ursnif.vlxxtv.org:2087
-
ursnif.vlxxtv.org:2096
-
ursnif.vlxxtv.org:8443
-
0vu7nGPzNRH7
-
delay
0
-
install
true
-
install_file
q42z.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 3 IoCs
resource yara_rule behavioral1/files/0x000e00000002437b-8.dat family_asyncrat behavioral1/memory/4616-10-0x0000000004A60000-0x0000000004A70000-memory.dmp family_asyncrat behavioral1/memory/4616-13-0x0000000004A60000-0x0000000004A70000-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-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe - Executes dropped EXE 2 IoCs
pid Process 4616 q42z.exe 3224 q42z.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 2600 cmd.exe 3756 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 cmd.exe 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 q42z.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language q42z.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1612 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 3308 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe Token: SeDebugPrivilege 4616 q42z.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2168 wrote to memory of 2600 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 86 PID 2168 wrote to memory of 3756 2168 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe 88 PID 3756 wrote to memory of 1612 3756 cmd.exe 90 PID 2600 wrote to memory of 3308 2600 cmd.exe 91 PID 3756 wrote to memory of 3224 3756 cmd.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe"C:\Users\Admin\AppData\Local\Temp\a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "q42z" /tr '"C:\Users\Admin\AppData\Roaming\q42z.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "q42z" /tr '"C:\Users\Admin\AppData\Roaming\q42z.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3308
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6EA3.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1612
-
-
C:\Users\Admin\AppData\Roaming\q42z.exe"C:\Users\Admin\AppData\Roaming\q42z.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3224
-
-
-
C:\Users\Admin\AppData\Roaming\q42z.exe"C:\Users\Admin\AppData\Roaming\q42z.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4616
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp6EA3.tmp.bat
- Size 148B
- SHA256 88caa7e07bc1e5639614854d65d7ddfb5d606571474ad16308a238258b8cb1fb
- MD5 0ff4a4221c1e123c1fbcfdd2c91b6c29
- SHA1 4bda96d01ce788fe3a75b47213fb46fa267649ce
- SHA512 dd34d626605138d50caabfe887105278dfdf11e079e1c428005baf90bda29db4e697eb2ccf9df7b71b9ecd0f74530c9feb6838ea6f2e9a1a9d4ca81daa8134f0
- TLSH T128C02B4351C5EA1E2809641316FBD68CF1736C5D3F40FB80C748444D16804A8F0D9341
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\q42z.exe
- Size 45KB
- SHA256 a61627434459b3e58c25963cabc1a9b0213d11a46ec01a640988ceab517e535e
- MD5 15bf4c586b8d07f86488c3180f29dd3e
- SHA1 1d5b814fae32ef4b9c16c2776a5b96514ab795c1
- SHA512 d5d699830f7de3b91449080e6388ec7f7c993fcc824d3d60778e2104415825601777feaa27e192cc2d57e8a8dca94f1f58445f4d43e5d994db69a06ad8178745
- SSDEEP 768:4uBfJTMUyYUWUWBDimo2qVecP0pycvHPIjzjbjgX3i9Xd7vV2FmhAnBDZbx:4uBfJTMpv2NccMcvgj3b8XS9XdLV2U8/
- TLSH T199231B003BE8C237F2BE4F78A8F26145467AF6636603D5491CC451DB5623FC69A42AFD
- MD5 SHA1 SHA512 SSDEEP TLSH