Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
27/07/2026, 04:28
General
- Target az6868.pro.exe
- Size 79KB
- Sample260727-e3pynavhkd
- SHA256 5a156fb7c89ba092d156696fdd535f2e2dcecaecdb58750588466e6ff81eac3e
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
az6868.pro:6606
-
az6868.pro:7707
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az6868.pro:8808
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az6868.pro:443
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az6868.pro:80
-
fAxNvTY1zATj
-
delay
10
-
install
true
-
install_file
gameupdate.exe
-
install_folder
%AppData%
Signatures
- Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
- Async RAT payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- 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.
- 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.
- Delays execution with timeout.exe 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\az6868.pro.exe"C:\Users\Admin\AppData\Local\Temp\az6868.pro.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn " gameupdate" /tr '"C:\Users\Admin\AppData\Roaming\ gameupdate.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn " gameupdate" /tr '"C:\Users\Admin\AppData\Roaming\ gameupdate.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8CE9.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
-
-
C:\Users\Admin\AppData\Roaming\ gameupdate.exe"C:\Users\Admin\AppData\Roaming\ gameupdate.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
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C:\Users\Admin\AppData\Roaming\ gameupdate.exe"C:\Users\Admin\AppData\Roaming\ gameupdate.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
tmp8CE9.tmp.bat
gameupdate.exe
memory/3900-0-0x0000000000820000-0x000000000083A000-memory.dmp
memory/3900-1-0x0000000005310000-0x0000000005320000-memory.dmp
memory/3900-2-0x00000000051A0000-0x0000000005206000-memory.dmp
memory/3900-3-0x0000000005640000-0x00000000056DC000-memory.dmp