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
28/08/2026, 03:17
Behavioral task
behavioral1
Sample
8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe
Resource
win11ltsc2024-20260709-en
General
- Target 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe
- Size 110KB
- Sample260828-ds4hmashjf
- SHA256 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3
- MD5 79698d19ed91fa5394596350786b282a
- SHA1 63586efbd9dd1eec2eef9a93c7f6394bd2f1abd8
- SHA512 9342b7335821e465d40117e3ad8eb9740b57580f07ecdb7b60cd64c255978406ba4f3505c5a6af8c7bcbb19752d0858f540ff9f181584e5cff615de1f96046a4
- SSDEEP 3072:buqcTg+L2hskDy3bCZS3zTlMPliRUORWBToN1Uniyimyzx:buqGahO3bWUlMURbUaURyt
- TLSH T1FBB39F003BD555A6F43DCBB4DCB2A2450679DEA62143C29C3CE4AABF7B42AC5C501FE9
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
ck44.games:6606
-
ck44.games:7707
-
ck44.games:8808
-
ck44.games:80
-
ck44.games:443
-
8kstusttzvw2
-
delay
3
-
install
true
-
install_file
ck44.gamest.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral1/files/0x001000000001e83c-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-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe - Executes dropped EXE 2 IoCs
pid Process 3012 ck44.gamest.exe 3824 ck44.gamest.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 3828 cmd.exe 4088 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 ck44.gamest.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.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 ck44.gamest.exe - Delays execution with timeout.exe 1 IoCs
pid Process 3520 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 596 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe Token: SeDebugPrivilege 3012 ck44.gamest.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4152 wrote to memory of 3828 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 84 PID 4152 wrote to memory of 4088 4152 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe 86 PID 4088 wrote to memory of 3520 4088 cmd.exe 88 PID 3828 wrote to memory of 596 3828 cmd.exe 89 PID 4088 wrote to memory of 3824 4088 cmd.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe"C:\Users\Admin\AppData\Local\Temp\8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4152 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ck44.gamest" /tr '"C:\Users\Admin\AppData\Roaming\ck44.gamest.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3828 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "ck44.gamest" /tr '"C:\Users\Admin\AppData\Roaming\ck44.gamest.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:596
-
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2B80.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:3520
-
-
C:\Users\Admin\AppData\Roaming\ck44.gamest.exe"C:\Users\Admin\AppData\Roaming\ck44.gamest.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3824
-
-
-
C:\Users\Admin\AppData\Roaming\ck44.gamest.exe"C:\Users\Admin\AppData\Roaming\ck44.gamest.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3012
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp2B80.tmp.bat
- Size 155B
- SHA256 fcc9aca5b52928e17c4ec6ab788e04dadf8eaadc443ed2659cbd2e319577097c
- MD5 fc2c6ae1b376b4f39c764eb894cc6c18
- SHA1 4b2e96b2efecd056c86a21407b3ede61364f3363
- SHA512 a57d4ea06437595c4152d1d47da98c3f6f41158ce16c697bc100424a896ac831acddf95c854a61bf8a99d4c0629eda980519343b6058b4e0ea4b91deabe6f77c
- TLSH T1CCC02B6266C6EB3E3805141702FAEDDEA2726C193F40BB80C705C00D22C044CF0D9385
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\ck44.gamest.exe
- Size 110KB
- SHA256 8f9c0afb293a43aec9b85c2c65f41360d29738dc08d6fb8856f78d77062fcbe3
- MD5 79698d19ed91fa5394596350786b282a
- SHA1 63586efbd9dd1eec2eef9a93c7f6394bd2f1abd8
- SHA512 9342b7335821e465d40117e3ad8eb9740b57580f07ecdb7b60cd64c255978406ba4f3505c5a6af8c7bcbb19752d0858f540ff9f181584e5cff615de1f96046a4
- SSDEEP 3072:buqcTg+L2hskDy3bCZS3zTlMPliRUORWBToN1Uniyimyzx:buqGahO3bWUlMURbUaURyt
- TLSH T1FBB39F003BD555A6F43DCBB4DCB2A2450679DEA62143C29C3CE4AABF7B42AC5C501FE9
- MD5 SHA1 SHA512 SSDEEP TLSH