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
04/08/2026, 19:09
Behavioral task
behavioral1
Sample
5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe
Resource
win11ltsc2024-20260709-en
General
- Target 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe
- Size 45KB
- Sample260804-xt6h6afe76
- SHA256 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630
- MD5 45ae583c3f5a12670521a18f434b039c
- SHA1 9384b3189b8628ec30b0dc1fff3d68349c23f6a1
- SHA512 befce611f0f2c9c246cbbce8a82f0a52776dc3f8d109bb352ceba369fcb11b37cfc573e667fcf3e55a651f6254b1b34b0ce65e004f9ef0a665325919891b1a4a
- SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9HQ6vincPI9zjbAgX3i9bVmYIhevFBDZ8x:0uPrpT/qY2BKU93bnXSVjIhed8x
- TLSH T127232A003BE9C127F2BE5F789DF26145467AE6633A03D6891CC4119B5713BC68A42AFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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vnsextop1.com:80
-
vnsextop1.com:22
-
vnsextop1.com:8080
-
vnsextop1.com:8880
-
vnsextop1.com:2052
-
vnsextop1.com:2082
-
vnsextop1.com:2086
-
vnsextop1.com:2095
-
vnsextop1.com:443
-
vnsextop1.com:2053
-
vnsextop1.com:2083
-
vnsextop1.com:2087
-
vnsextop1.com:2096
-
vnsextop1.com:8443
-
www.vnsextop1.com:80
-
www.vnsextop1.com:22
-
www.vnsextop1.com:8080
-
www.vnsextop1.com:8880
-
www.vnsextop1.com:2052
-
www.vnsextop1.com:2082
-
www.vnsextop1.com:2086
-
www.vnsextop1.com:2095
-
www.vnsextop1.com:443
-
www.vnsextop1.com:2053
-
www.vnsextop1.com:2083
-
www.vnsextop1.com:2087
-
www.vnsextop1.com:2096
-
www.vnsextop1.com:8443
-
klez.vnsextop1.com:80
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klez.vnsextop1.com:22
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klez.vnsextop1.com:8080
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klez.vnsextop1.com:8880
-
klez.vnsextop1.com:2052
-
klez.vnsextop1.com:2082
-
klez.vnsextop1.com:2086
-
klez.vnsextop1.com:2095
-
klez.vnsextop1.com:443
-
klez.vnsextop1.com:2053
-
klez.vnsextop1.com:2083
-
klez.vnsextop1.com:2087
-
klez.vnsextop1.com:2096
-
klez.vnsextop1.com:8443
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shamoon.vnsextop1.com:80
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shamoon.vnsextop1.com:22
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shamoon.vnsextop1.com:8080
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shamoon.vnsextop1.com:8880
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shamoon.vnsextop1.com:2052
-
shamoon.vnsextop1.com:2082
-
shamoon.vnsextop1.com:2086
-
shamoon.vnsextop1.com:2095
-
shamoon.vnsextop1.com:443
-
shamoon.vnsextop1.com:2053
-
shamoon.vnsextop1.com:2083
-
shamoon.vnsextop1.com:2087
-
shamoon.vnsextop1.com:2096
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shamoon.vnsextop1.com:8443
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ursnif.vnsextop1.com:80
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ursnif.vnsextop1.com:22
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ursnif.vnsextop1.com:8080
-
ursnif.vnsextop1.com:8880
-
ursnif.vnsextop1.com:2052
-
ursnif.vnsextop1.com:2082
-
ursnif.vnsextop1.com:2086
-
ursnif.vnsextop1.com:2095
-
ursnif.vnsextop1.com:443
-
ursnif.vnsextop1.com:2053
-
ursnif.vnsextop1.com:2083
-
ursnif.vnsextop1.com:2087
-
ursnif.vnsextop1.com:2096
-
ursnif.vnsextop1.com:8443
-
yXyc9UQl3QxQ
-
delay
0
-
install
true
-
install_file
s2w4k4e.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x0008000000024361-8.dat family_asyncrat behavioral1/memory/552-10-0x0000000004940000-0x0000000004950000-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-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe - Executes dropped EXE 2 IoCs
pid Process 552 s2w4k4e.exe 3752 s2w4k4e.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 2756 cmd.exe 2252 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language s2w4k4e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language s2w4k4e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4408 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 3624 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe Token: SeDebugPrivilege 552 s2w4k4e.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2032 wrote to memory of 2756 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 84 PID 2032 wrote to memory of 2252 2032 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe 86 PID 2252 wrote to memory of 4408 2252 cmd.exe 88 PID 2756 wrote to memory of 3624 2756 cmd.exe 89 PID 2252 wrote to memory of 3752 2252 cmd.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe"C:\Users\Admin\AppData\Local\Temp\5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "s2w4k4e" /tr '"C:\Users\Admin\AppData\Roaming\s2w4k4e.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "s2w4k4e" /tr '"C:\Users\Admin\AppData\Roaming\s2w4k4e.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3624
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp10D4.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4408
-
-
C:\Users\Admin\AppData\Roaming\s2w4k4e.exe"C:\Users\Admin\AppData\Roaming\s2w4k4e.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3752
-
-
-
C:\Users\Admin\AppData\Roaming\s2w4k4e.exe"C:\Users\Admin\AppData\Roaming\s2w4k4e.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:552
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp10D4.tmp.bat
- Size 151B
- SHA256 2bebeac755ad9f2a5dfdf53b4d2e7fdd37cd6ad373a94654f04e9af3ecc8b317
- MD5 aed55cdc781610b7470a58d7b5f01371
- SHA1 8115ff4702807e4f14c79e197ed2160cdc35929b
- SHA512 33a6f25ec77d0dfe385c3d0c65c92dec58f1bfc7b0ab795e7ee44982385ec25a39f6a81e34f758dcd009b2200461dfc27dc62b021000f2061cc75a33423b05ba
- TLSH T131C02B8355C5EA4E380E142312FAD48CA1F27C1D3F84BB00E784444E568084DF8DD342
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\s2w4k4e.exe
- Size 45KB
- SHA256 5a6a5e47672e0f5c4638eb864407356cdc1741a17d253e62efe1dd2bd2986630
- MD5 45ae583c3f5a12670521a18f434b039c
- SHA1 9384b3189b8628ec30b0dc1fff3d68349c23f6a1
- SHA512 befce611f0f2c9c246cbbce8a82f0a52776dc3f8d109bb352ceba369fcb11b37cfc573e667fcf3e55a651f6254b1b34b0ce65e004f9ef0a665325919891b1a4a
- SSDEEP 768:0uPrpT/LGKeWUszuAmo2q9HQ6vincPI9zjbAgX3i9bVmYIhevFBDZ8x:0uPrpT/qY2BKU93bnXSVjIhed8x
- TLSH T127232A003BE9C127F2BE5F789DF26145467AE6633A03D6891CC4119B5713BC68A42AFE
- MD5 SHA1 SHA512 SSDEEP TLSH