Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/09/2026, 07:37
Behavioral task
behavioral1
Sample
faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe
Resource
win11ltsc2024-20260709-en
General
- Target faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe
- Size 45KB
- Sample260907-jf5stafe88
- SHA256 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398
- MD5 1591839835aff71c3c1e929368b3aa66
- SHA1 b3a01d5a90c656a35ae7be07ae5b921054f3714c
- SHA512 1d03d35c0ca9c1d5e804e48e69b10ef9bfd06e24887624c17534a3397efe6ea76af1aa7699272ace74c690c65e59401351f04fd1c72579a4053583d70393de86
- SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFo3xY6aZOOPIgzjbrga3iA3ta4KBDZEx:MuLAZTnbg2Ru/O3g3bUaSA3EdEx
- TLSH T1FA233C003BE8822BF2BE4F74ACF26145867AF6736603D64E1CC451975613FC68A526FE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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asyncrat
-
0.5.8
-
Default
-
sexvietdam.blog:80
-
sexvietdam.blog:22
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sexvietdam.blog:8080
-
sexvietdam.blog:8880
-
sexvietdam.blog:2052
-
sexvietdam.blog:2082
-
sexvietdam.blog:2086
-
sexvietdam.blog:2095
-
sexvietdam.blog:443
-
sexvietdam.blog:2053
-
sexvietdam.blog:2083
-
sexvietdam.blog:2087
-
sexvietdam.blog:2096
-
sexvietdam.blog:8443
-
www.sexvietdam.blog:80
-
www.sexvietdam.blog:22
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www.sexvietdam.blog:8080
-
www.sexvietdam.blog:8880
-
www.sexvietdam.blog:2052
-
www.sexvietdam.blog:2082
-
www.sexvietdam.blog:2086
-
www.sexvietdam.blog:2095
-
www.sexvietdam.blog:443
-
www.sexvietdam.blog:2053
-
www.sexvietdam.blog:2083
-
www.sexvietdam.blog:2087
-
www.sexvietdam.blog:2096
-
www.sexvietdam.blog:8443
-
melissa.sexvietdam.blog:80
-
melissa.sexvietdam.blog:22
-
melissa.sexvietdam.blog:8080
-
melissa.sexvietdam.blog:8880
-
melissa.sexvietdam.blog:2052
-
melissa.sexvietdam.blog:2082
-
melissa.sexvietdam.blog:2086
-
melissa.sexvietdam.blog:2095
-
melissa.sexvietdam.blog:443
-
melissa.sexvietdam.blog:2053
-
melissa.sexvietdam.blog:2083
-
melissa.sexvietdam.blog:2087
-
melissa.sexvietdam.blog:2096
-
melissa.sexvietdam.blog:8443
-
trisis.sexvietdam.blog:80
-
trisis.sexvietdam.blog:22
-
trisis.sexvietdam.blog:8080
-
trisis.sexvietdam.blog:8880
-
trisis.sexvietdam.blog:2052
-
trisis.sexvietdam.blog:2082
-
trisis.sexvietdam.blog:2086
-
trisis.sexvietdam.blog:2095
-
trisis.sexvietdam.blog:443
-
trisis.sexvietdam.blog:2053
-
trisis.sexvietdam.blog:2083
-
trisis.sexvietdam.blog:2087
-
trisis.sexvietdam.blog:2096
-
trisis.sexvietdam.blog:8443
-
gozi.sexvietdam.blog:80
-
gozi.sexvietdam.blog:22
-
gozi.sexvietdam.blog:8080
-
gozi.sexvietdam.blog:8880
-
gozi.sexvietdam.blog:2052
-
gozi.sexvietdam.blog:2082
-
gozi.sexvietdam.blog:2086
-
gozi.sexvietdam.blog:2095
-
gozi.sexvietdam.blog:443
-
gozi.sexvietdam.blog:2053
-
gozi.sexvietdam.blog:2083
-
gozi.sexvietdam.blog:2087
-
gozi.sexvietdam.blog:2096
-
gozi.sexvietdam.blog:8443
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5iMQb6s2VB6O
-
delay
0
-
install
true
-
install_file
kxzui.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x001300000001e459-8.dat family_asyncrat behavioral1/memory/4244-10-0x0000000005770000-0x0000000005780000-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-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe - Executes dropped EXE 2 IoCs
pid Process 4244 kxzui.exe 2452 kxzui.exe - Outbound SSH connection to public host 2 TTPs 2 IoCs
SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.
description flow ioc pid Process SSH destination 86 104.18.21.58:22 4244 kxzui.exe SSH destination 87 104.18.20.58:22 4244 kxzui.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 3512 cmd.exe 2684 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 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kxzui.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kxzui.exe - Delays execution with timeout.exe 1 IoCs
pid Process 1888 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 1748 schtasks.exe - Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe Token: SeDebugPrivilege 4244 kxzui.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1700 wrote to memory of 3512 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 84 PID 1700 wrote to memory of 2684 1700 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe 86 PID 2684 wrote to memory of 1888 2684 cmd.exe 88 PID 3512 wrote to memory of 1748 3512 cmd.exe 89 PID 2684 wrote to memory of 2452 2684 cmd.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe"C:\Users\Admin\AppData\Local\Temp\faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "kxzui" /tr '"C:\Users\Admin\AppData\Roaming\kxzui.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "kxzui" /tr '"C:\Users\Admin\AppData\Roaming\kxzui.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1748
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp58F8.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1888
-
-
C:\Users\Admin\AppData\Roaming\kxzui.exe"C:\Users\Admin\AppData\Roaming\kxzui.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2452
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-
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C:\Users\Admin\AppData\Roaming\kxzui.exe"C:\Users\Admin\AppData\Roaming\kxzui.exe"1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4244
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp58F8.tmp.bat
- Size 149B
- SHA256 cdac22a0ab1a20f861d433b3aa8a51813554f988f0fe7a15d297e039603af1d8
- MD5 11758bd35b4e10b5d95076dc0484efff
- SHA1 610796934be4e77d9b118dfe3e24c33819c431d6
- SHA512 ce7f220fa31315a8decb3a7dbf23ace84f95d5619ec33b9c09b266fcf624709283d7f37b6a19abfb9b8d7e46fa78472295a46bd16e950d6a5f2150f07ab4ac4b
- TLSH T1FBC02B4259C6EA0E2A051CA303FFDDCDA1736CDE3F80FB10C348400E2280449F0E9381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\kxzui.exe
- Size 45KB
- SHA256 faad4f023c88343dc21a89f676a6f216a56aea0cb24f82e0e5ffa3473abb9398
- MD5 1591839835aff71c3c1e929368b3aa66
- SHA1 b3a01d5a90c656a35ae7be07ae5b921054f3714c
- SHA512 1d03d35c0ca9c1d5e804e48e69b10ef9bfd06e24887624c17534a3397efe6ea76af1aa7699272ace74c690c65e59401351f04fd1c72579a4053583d70393de86
- SSDEEP 768:MuLAZTnAkuSWUYzG8mo2qFo3xY6aZOOPIgzjbrga3iA3ta4KBDZEx:MuLAZTnbg2Ru/O3g3bUaSA3EdEx
- TLSH T1FA233C003BE8822BF2BE4F74ACF26145867AF6736603D64E1CC451975613FC68A526FE
- MD5 SHA1 SHA512 SSDEEP TLSH