Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-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
-
2strokes.com:443
-
2strokes.com:80
-
www.2strokes.com:443
-
www.2strokes.com:80
-
mydoom.2strokes.com:443
-
mydoom.2strokes.com:80
-
gozi.2strokes.com:443
-
gozi.2strokes.com:80
-
ryuk.2strokes.com:443
-
ryuk.2strokes.com:80
-
xKZdVcebghcW
-
delay
0
-
install
true
-
install_file
4atf.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x001d00000002b266-10.dat family_asyncrat - Executes dropped EXE 2 IoCs
pid Process 1132 4atf.exe 1180 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 3548 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 3888 schtasks.exe - Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe Token: SeDebugPrivilege 1132 4atf.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 332 wrote to memory of 3228 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 79 PID 332 wrote to memory of 3140 332 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe 81 PID 3228 wrote to memory of 3888 3228 cmd.exe 83 PID 3140 wrote to memory of 3548 3140 cmd.exe 84 PID 3140 wrote to memory of 1180 3140 cmd.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe"C:\Users\Admin\AppData\Local\Temp\6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:332 -
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:3228 -
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:3888
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD15A.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3140 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3548
-
-
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:1180
-
-
-
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:1132
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmpD15A.tmp.bat
- Size 148B
- SHA256 1986041263b78416cda57768e047a8b19425615f19ab15deab028cee0fd3c4a8
- MD5 65e6dee2a4931e22004f42252682b9c4
- SHA1 d958321a7de714ea578c28651dea6e5b110cf977
- SHA512 af978da0d76dfa4c20ee77859d8323d8fc2ff2f62551bd4b1e4495cf42493dbed93e1821a1173334ef47f1a3ee47cfa0128f845c879354cf947a16a290c487be
- TLSH T183C02B6299C5FE2E2805642302FAD4CCE2767C293F40FF00C304404D2780489F5D9385
- 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