Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/07/2026, 08:47
Behavioral task
behavioral1
Sample
cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe
Resource
win11ltsc2024-20260709-en
General
- Target cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe
- Size 45KB
- Sample260716-kpv6eacw21
- SHA256 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4
- MD5 a56651c3b6fad23409b12e2f7966e4bf
- SHA1 8cafa215d4ea22a6a6cb2aa15196c8aeda82347d
- SHA512 ecc8e8af0f95e0bac429adc440a44bf109612a969a405c8a54b17a68f654f4203ad65b9823d68d7da5f532660b0af213edd8b81e8dcb6ef1a132094776eb0343
- SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9IDEbHBqjSOPI/XzzjbGgX3isrmT6rjJ/UTTwxyyBM:0u1YJTHcw2HyoO3/Xz3bZXSWu6hi0xFM
- TLSH T182231A003BE9822BF27E4F7898F26145867AF6633603E6491CC451D75723FC69A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
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sexvuto.site:80
-
sexvuto.site:22
-
sexvuto.site:8080
-
sexvuto.site:8880
-
sexvuto.site:2052
-
sexvuto.site:2082
-
sexvuto.site:2086
-
sexvuto.site:2095
-
sexvuto.site:443
-
sexvuto.site:2053
-
sexvuto.site:2083
-
sexvuto.site:2087
-
sexvuto.site:2096
-
sexvuto.site:8443
-
www.sexvuto.site:80
-
www.sexvuto.site:22
-
www.sexvuto.site:8080
-
www.sexvuto.site:8880
-
www.sexvuto.site:2052
-
www.sexvuto.site:2082
-
www.sexvuto.site:2086
-
www.sexvuto.site:2095
-
www.sexvuto.site:443
-
www.sexvuto.site:2053
-
www.sexvuto.site:2083
-
www.sexvuto.site:2087
-
www.sexvuto.site:2096
-
www.sexvuto.site:8443
-
client.sexvuto.site:80
-
client.sexvuto.site:22
-
client.sexvuto.site:8080
-
client.sexvuto.site:8880
-
client.sexvuto.site:2052
-
client.sexvuto.site:2082
-
client.sexvuto.site:2086
-
client.sexvuto.site:2095
-
client.sexvuto.site:443
-
client.sexvuto.site:2053
-
client.sexvuto.site:2083
-
client.sexvuto.site:2087
-
client.sexvuto.site:2096
-
client.sexvuto.site:8443
-
formbook.sexvuto.site:80
-
formbook.sexvuto.site:22
-
formbook.sexvuto.site:8080
-
formbook.sexvuto.site:8880
-
formbook.sexvuto.site:2052
-
formbook.sexvuto.site:2082
-
formbook.sexvuto.site:2086
-
formbook.sexvuto.site:2095
-
formbook.sexvuto.site:443
-
formbook.sexvuto.site:2053
-
formbook.sexvuto.site:2083
-
formbook.sexvuto.site:2087
-
formbook.sexvuto.site:2096
-
formbook.sexvuto.site:8443
-
trickbot.sexvuto.site:80
-
trickbot.sexvuto.site:22
-
trickbot.sexvuto.site:8080
-
trickbot.sexvuto.site:8880
-
trickbot.sexvuto.site:2052
-
trickbot.sexvuto.site:2082
-
trickbot.sexvuto.site:2086
-
trickbot.sexvuto.site:2095
-
trickbot.sexvuto.site:443
-
trickbot.sexvuto.site:2053
-
trickbot.sexvuto.site:2083
-
trickbot.sexvuto.site:2087
-
trickbot.sexvuto.site:2096
-
trickbot.sexvuto.site:8443
-
IQRZ6Nkacptb
-
delay
0
-
install
true
-
install_file
5iohfw.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x000a000000016907-8.dat 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-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe - Executes dropped EXE 2 IoCs
pid Process 4444 5iohfw.exe 2324 5iohfw.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 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.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 timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5iohfw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5iohfw.exe - Delays execution with timeout.exe 1 IoCs
pid Process 3796 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 4140 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe Token: SeDebugPrivilege 4444 5iohfw.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3224 wrote to memory of 1764 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 86 PID 3224 wrote to memory of 3988 3224 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe 88 PID 3988 wrote to memory of 3796 3988 cmd.exe 90 PID 1764 wrote to memory of 4140 1764 cmd.exe 91 PID 3988 wrote to memory of 2324 3988 cmd.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe"C:\Users\Admin\AppData\Local\Temp\cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3224 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "5iohfw" /tr '"C:\Users\Admin\AppData\Roaming\5iohfw.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "5iohfw" /tr '"C:\Users\Admin\AppData\Roaming\5iohfw.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4140
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp45FD.tmp.bat""2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3796
-
-
C:\Users\Admin\AppData\Roaming\5iohfw.exe"C:\Users\Admin\AppData\Roaming\5iohfw.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2324
-
-
-
C:\Users\Admin\AppData\Roaming\5iohfw.exe"C:\Users\Admin\AppData\Roaming\5iohfw.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4444
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp45FD.tmp.bat
- Size 150B
- SHA256 d96b459aec74a7e0d4f04b2c95edca156ad63cd8c524ddcc1c411561cd48100a
- MD5 f5b1b4852bf034a34ffb0b1cfece2d2a
- SHA1 4faa3f6aaf21b820c5b999ce0ee0584fee17981e
- SHA512 e976783e71513c6fc3e2ff275a409df19412afd9409d27dcfe4385b98b79327b418707acf241e8a35549ee6193a3faa8b39913e7e0cfd4fa6638cc4b292657f1
- TLSH T1C8C02B4665C5FA4E2805282316FAD48C9172BD293F80BB00C308504D32C0C88F4D9343
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\5iohfw.exe
- Size 45KB
- SHA256 cf9ae8d4306396e5d41d900bfacdc32d9905e3b0951c1e0a1dbd01ca8fdc6de4
- MD5 a56651c3b6fad23409b12e2f7966e4bf
- SHA1 8cafa215d4ea22a6a6cb2aa15196c8aeda82347d
- SHA512 ecc8e8af0f95e0bac429adc440a44bf109612a969a405c8a54b17a68f654f4203ad65b9823d68d7da5f532660b0af213edd8b81e8dcb6ef1a132094776eb0343
- SSDEEP 768:0u1YJTHwAUgQWUaT2Wmo2q9IDEbHBqjSOPI/XzzjbGgX3isrmT6rjJ/UTTwxyyBM:0u1YJTHcw2HyoO3/Xz3bZXSWu6hi0xFM
- TLSH T182231A003BE9822BF27E4F7898F26145867AF6633603E6491CC451D75723FC69A426FE
- MD5 SHA1 SHA512 SSDEEP TLSH