Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 10:06
General
- Target a4b9695ec2aef214b9297c770893a695037b5c4b124fa42dd009314d97afe580.exe
- Size 45KB
- Sample260707-l5f7vsft8s
- SHA256 a4b9695ec2aef214b9297c770893a695037b5c4b124fa42dd009314d97afe580
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
ditnhauxx.com:80
-
ditnhauxx.com:22
-
ditnhauxx.com:8080
-
ditnhauxx.com:8880
-
ditnhauxx.com:2052
-
ditnhauxx.com:2082
-
ditnhauxx.com:2086
-
ditnhauxx.com:2095
-
ditnhauxx.com:443
-
ditnhauxx.com:2053
-
ditnhauxx.com:2083
-
ditnhauxx.com:2087
-
ditnhauxx.com:2096
-
ditnhauxx.com:8443
-
www.ditnhauxx.com:80
-
www.ditnhauxx.com:22
-
www.ditnhauxx.com:8080
-
www.ditnhauxx.com:8880
-
www.ditnhauxx.com:2052
-
www.ditnhauxx.com:2082
-
5Q035173BEa5
-
delay
0
-
install
true
-
install_file
jyih2j.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
- Executes dropped EXE 2 IoCs
- 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.
- 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 29 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a4b9695ec2aef214b9297c770893a695037b5c4b124fa42dd009314d97afe580.exe"C:\Users\Admin\AppData\Local\Temp\a4b9695ec2aef214b9297c770893a695037b5c4b124fa42dd009314d97afe580.exe"1⤵
- 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 "jyih2j" /tr '"C:\Users\Admin\AppData\Roaming\jyih2j.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "jyih2j" /tr '"C:\Users\Admin\AppData\Roaming\jyih2j.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD5C9.tmp.bat""2⤵
- 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\jyih2j.exe"C:\Users\Admin\AppData\Roaming\jyih2j.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
C:\Users\Admin\AppData\Roaming\jyih2j.exe"C:\Users\Admin\AppData\Roaming\jyih2j.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\sihost.exesihost.exe1⤵
-
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
-
-
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
-
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
prep_Activatable Class_Hermes_perf.cache
prep_Activatable Class_Hermes_perf.cache
tmpD5C9.tmp.bat
jyih2j.exe
memory/3812-1-0x0000000000250000-0x0000000000262000-memory.dmp
memory/3812-2-0x0000000074470000-0x0000000074C2C000-memory.dmp
memory/3812-3-0x0000000004C90000-0x0000000004D2C000-memory.dmp
memory/3812-8-0x0000000074470000-0x0000000074C2C000-memory.dmp
memory/3812-0-0x0000000074482000-0x0000000074483000-memory.dmp
memory/4980-79-0x000001A3946A0000-0x000001A3946C0000-memory.dmp
memory/4980-36-0x000001A3801E0000-0x000001A3802E0000-memory.dmp
memory/4980-43-0x000001A382E50000-0x000001A382F50000-memory.dmp
memory/4980-47-0x000001A382C70000-0x000001A382C90000-memory.dmp
memory/4980-42-0x000001A382A30000-0x000001A382A50000-memory.dmp
memory/4980-37-0x000001A3801E0000-0x000001A3802E0000-memory.dmp
memory/4980-35-0x000001A3801E0000-0x000001A3802E0000-memory.dmp
memory/4980-194-0x000001A396B60000-0x000001A396D43000-memory.dmp
memory/5732-14-0x0000000074300000-0x0000000074ABC000-memory.dmp
memory/5732-12-0x0000000074300000-0x0000000074ABC000-memory.dmp