Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
15/04/2026, 09:50
Behavioral task
behavioral1
Sample
6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe
Resource
win10v2004-20260130-en
Behavioral task
behavioral2
Sample
6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe
Resource
win11-20260130-en
General
- Target 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe
- Size 45KB
- Sample260415-lt5fbaes6t
- SHA256 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1
- MD5 9e183f92b2a01013f6f410d070e9ddee
- SHA1 f11e8f83825c2f2caa686e845a7a97a78e88337e
- SHA512 ba31d568c577f4e036ab4ea61ca50cbdfa28a533d7130aba7df27f73517616c56720f3d2967917d9f79ffb4affa1f16c114ccb55b4b0908759d7306c9c992ba4
- SSDEEP 768:BupM9Tx5PWZZWUvfyRmo2qgx0ewtDc30oiZPI/zjbUgX3i4qccH0u/08HyBDZjx:BupM9TxtOO2JwR2iW/3b7XSVccUu/0tX
- TLSH T1CF232B0037E8812BF2BE5F78A9F26245467AF5632603D5491CC441DB5B23FC69A43AFE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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2strokes.com:443
-
2strokes.com:80
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www.2strokes.com:443
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www.2strokes.com:80
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mydoom.2strokes.com:443
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mydoom.2strokes.com:80
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gozi.2strokes.com:443
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gozi.2strokes.com:80
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ryuk.2strokes.com:443
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ryuk.2strokes.com:80
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xKZdVcebghcW
-
delay
0
-
install
true
-
install_file
4atf.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x000300000002315a-8.dat family_asyncrat behavioral1/memory/3784-13-0x00000000027B0000-0x00000000027C0000-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-1-5-21-1609746302-1884177235-1125644204-1000\Control Panel\International\Geo\Nation 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe - Executes dropped EXE 2 IoCs
pid Process 3784 4atf.exe 2992 4atf.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 4atf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4atf.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4988 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 4936 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe Token: SeDebugPrivilege 3784 4atf.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4740 wrote to memory of 5052 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 84 PID 4740 wrote to memory of 4840 4740 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 86 PID 5052 wrote to memory of 4936 5052 cmd.exe 88 PID 4840 wrote to memory of 4988 4840 cmd.exe 89 PID 4840 wrote to memory of 2992 4840 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe"C:\Users\Admin\AppData\Local\Temp\6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "4atf" /tr '"C:\Users\Admin\AppData\Roaming\4atf.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "4atf" /tr '"C:\Users\Admin\AppData\Roaming\4atf.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4936
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2517.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4988
-
-
C:\Users\Admin\AppData\Roaming\4atf.exe"C:\Users\Admin\AppData\Roaming\4atf.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2992
-
-
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C:\Users\Admin\AppData\Roaming\4atf.exe"C:\Users\Admin\AppData\Roaming\4atf.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3784
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp2517.tmp.bat
- Size 148B
- SHA256 afc30a9f23155642e65cdc569a0ec1227e0916b5ccb1da5da9b45adfd501c96a
- MD5 fa3cc6386ffb7c58ab97856cfee84d51
- SHA1 c443b5ad3e4246c8e30578b2ee0a9437e3b2c447
- SHA512 492213729f552606b96c5b8502e42ef4cfc790c1c8e399180b35fc82cc47c70f78aa22e6cf00cf0435d666116663ac7ab76f06ecb07cede7974d6e066075c17b
- TLSH T1BBC02B42A1C5EE2E2905681302FAD4DCA2767C693F40FB00D344400D1680848F5D9385
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\4atf.exe
- Size 45KB
- SHA256 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1
- MD5 9e183f92b2a01013f6f410d070e9ddee
- SHA1 f11e8f83825c2f2caa686e845a7a97a78e88337e
- SHA512 ba31d568c577f4e036ab4ea61ca50cbdfa28a533d7130aba7df27f73517616c56720f3d2967917d9f79ffb4affa1f16c114ccb55b4b0908759d7306c9c992ba4
- SSDEEP 768:BupM9Tx5PWZZWUvfyRmo2qgx0ewtDc30oiZPI/zjbUgX3i4qccH0u/08HyBDZjx:BupM9TxtOO2JwR2iW/3b7XSVccUu/0tX
- TLSH T1CF232B0037E8812BF2BE5F78A9F26245467AF5632603D5491CC441DB5B23FC69A43AFE
- MD5 SHA1 SHA512 SSDEEP TLSH