Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
- submitted
28/06/2026, 19:40
General
- Target 3eb8ff09123368fe1c979f960e14ed3f9b20ef82d419cbcee479161fea470464.exe
- Size 45KB
- Sample260628-ydtebsdv3q
- SHA256 3eb8ff09123368fe1c979f960e14ed3f9b20ef82d419cbcee479161fea470464
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
geiku.co:80
-
geiku.co:22
-
geiku.co:8080
-
geiku.co:8880
-
geiku.co:2052
-
geiku.co:2082
-
geiku.co:2086
-
geiku.co:2095
-
geiku.co:443
-
geiku.co:2053
-
geiku.co:2083
-
geiku.co:2087
-
geiku.co:2096
-
geiku.co:8443
-
www.geiku.co:80
-
www.geiku.co:22
-
www.geiku.co:8080
-
www.geiku.co:8880
-
www.geiku.co:2052
-
www.geiku.co:2082
-
a0cTiTC5VCXx
-
delay
0
-
install
true
-
install_file
3hsccdsj.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 31 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3eb8ff09123368fe1c979f960e14ed3f9b20ef82d419cbcee479161fea470464.exe"C:\Users\Admin\AppData\Local\Temp\3eb8ff09123368fe1c979f960e14ed3f9b20ef82d419cbcee479161fea470464.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 "3hsccdsj" /tr '"C:\Users\Admin\AppData\Roaming\3hsccdsj.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "3hsccdsj" /tr '"C:\Users\Admin\AppData\Roaming\3hsccdsj.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\tmpCA21.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\3hsccdsj.exe"C:\Users\Admin\AppData\Roaming\3hsccdsj.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
C:\Users\Admin\AppData\Roaming\3hsccdsj.exe"C:\Users\Admin\AppData\Roaming\3hsccdsj.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
tmpCA21.tmp.bat
3hsccdsj.exe
memory/1544-35-0x00000110001E0000-0x00000110002E0000-memory.dmp
memory/1544-33-0x00000110001E0000-0x00000110002E0000-memory.dmp
memory/1544-79-0x0000011014210000-0x0000011014230000-memory.dmp
memory/1544-46-0x0000011013E50000-0x0000011013F50000-memory.dmp
memory/1544-44-0x0000011003A30000-0x0000011003A50000-memory.dmp
memory/1544-57-0x0000011003B70000-0x0000011003B90000-memory.dmp
memory/1544-34-0x00000110001E0000-0x00000110002E0000-memory.dmp
memory/2672-8-0x0000000074670000-0x0000000074E2C000-memory.dmp
memory/2672-0-0x0000000074682000-0x0000000074683000-memory.dmp
memory/2672-3-0x0000000004C00000-0x0000000004C9C000-memory.dmp
memory/2672-2-0x0000000074670000-0x0000000074E2C000-memory.dmp
memory/2672-1-0x00000000000D0000-0x00000000000E2000-memory.dmp
memory/4240-14-0x0000000074500000-0x0000000074CBC000-memory.dmp
memory/4240-12-0x0000000074500000-0x0000000074CBC000-memory.dmp