Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
11/05/2026, 16:25
General
- Target Python Install Manager Installer.exe
- Size 133KB
- Sample260511-tw6p6aev81
- SHA256 b3951980b0017d9e90b9b709a7a6af848adf7f273581bdfeb5110a8cfe5f2ee1
Malware Config
Extracted
-
asyncrat
-
1.0.7
-
Setup
-
af88.run:443
-
af88.run:80
-
af88.run:53
-
af88.run:8080
-
af88.run:1604
-
777x.you:443
-
777x.you:80
-
777x.you:53
-
777x.you:8080
-
777x.you:1604
-
www.777x.you:443
-
www.777x.you:80
-
www.777x.you:53
-
www.777x.you:8080
-
www.777x.you:1604
-
www.af88.run:443
-
www.af88.run:80
-
www.af88.run:53
-
www.af88.run:8080
-
www.af88.run:1604
-
StoreInstaller-kja6-sfk-as3k238-j3-2fuj
-
delay
2
-
install
true
-
install_file
StoreInstaller.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
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 17 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Python Install Manager Installer.exe"C:\Users\Admin\AppData\Local\Temp\Python Install Manager Installer.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "StoreInstaller" /tr '"C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "StoreInstaller" /tr '"C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF944.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
-
-
C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
-
C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"C:\Users\Admin\AppData\Roaming\StoreInstaller.exe"1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
tmpF944.tmp.bat
StoreInstaller.exe
memory/5048-11-0x00000131F7CE0000-0x00000131F7E00000-memory.dmp
memory/5296-0-0x0000000000910000-0x0000000000938000-memory.dmp
memory/5296-1-0x000000001B450000-0x000000001B460000-memory.dmp
memory/5296-7-0x000000001B420000-0x000000001B432000-memory.dmp
memory/5296-6-0x0000000002C30000-0x0000000002C3C000-memory.dmp
memory/5620-16-0x0000000001080000-0x000000000108C000-memory.dmp
memory/5620-17-0x0000000001090000-0x00000000010A2000-memory.dmp
memory/5620-28-0x0000000001360000-0x0000000001369000-memory.dmp
memory/5864-14-0x0000000001550000-0x000000000155C000-memory.dmp
memory/5864-15-0x0000000001560000-0x0000000001572000-memory.dmp