Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/07/2026, 14:00
General
- Target 7639f16fe77d915806d1d272106ecec417b042058cb995a5ac802312f0da3d17.exe
- Size 45KB
- Sample260710-razcvaax2p
- SHA256 7639f16fe77d915806d1d272106ecec417b042058cb995a5ac802312f0da3d17
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
vnphimsexhay.blog:80
-
vnphimsexhay.blog:22
-
vnphimsexhay.blog:8080
-
vnphimsexhay.blog:8880
-
vnphimsexhay.blog:2052
-
vnphimsexhay.blog:2082
-
vnphimsexhay.blog:2086
-
vnphimsexhay.blog:2095
-
vnphimsexhay.blog:443
-
vnphimsexhay.blog:2053
-
vnphimsexhay.blog:2083
-
vnphimsexhay.blog:2087
-
vnphimsexhay.blog:2096
-
vnphimsexhay.blog:8443
-
www.vnphimsexhay.blog:80
-
www.vnphimsexhay.blog:22
-
www.vnphimsexhay.blog:8080
-
www.vnphimsexhay.blog:8880
-
www.vnphimsexhay.blog:2052
-
www.vnphimsexhay.blog:2082
-
GQNRf6oyVGcW
-
delay
0
-
install
true
-
install_file
5euwlbm.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\7639f16fe77d915806d1d272106ecec417b042058cb995a5ac802312f0da3d17.exe"C:\Users\Admin\AppData\Local\Temp\7639f16fe77d915806d1d272106ecec417b042058cb995a5ac802312f0da3d17.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 "5euwlbm" /tr '"C:\Users\Admin\AppData\Roaming\5euwlbm.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "5euwlbm" /tr '"C:\Users\Admin\AppData\Roaming\5euwlbm.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\tmpE4E8.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\5euwlbm.exe"C:\Users\Admin\AppData\Roaming\5euwlbm.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
C:\Users\Admin\AppData\Roaming\5euwlbm.exe"C:\Users\Admin\AppData\Roaming\5euwlbm.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
tmpE4E8.tmp.bat
5euwlbm.exe
memory/2688-12-0x0000000074F20000-0x00000000756DC000-memory.dmp
memory/2688-14-0x0000000074F20000-0x00000000756DC000-memory.dmp
memory/5048-0-0x0000000075102000-0x0000000075103000-memory.dmp
memory/5048-1-0x0000000000110000-0x0000000000122000-memory.dmp
memory/5048-2-0x00000000750F0000-0x00000000758AC000-memory.dmp
memory/5048-3-0x0000000004C60000-0x0000000004CFC000-memory.dmp
memory/5048-8-0x00000000750F0000-0x00000000758AC000-memory.dmp