Analysis
- max time kernel
150s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
29/09/2026, 17:09
General
- Target Telegram.exe
- Size 49.0MB
- Sample260929-vpbf4syfpf
- SHA256 2eafa46f03d208f787767052c313abd01263348698735bc8eed12e9e782f3a2a
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
- Enumerates system info in registry 2 TTPs 6 IoCs
- Modifies registry class 32 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of FindShellTrayWindow 5 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Telegram.exe"C:\Users\Admin\AppData\Local\Temp\Telegram.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-L7V00K8WAA.tmp\Telegram.tmp"C:\Users\Admin\AppData\Local\Temp\is-L7V00K8WAA.tmp\Telegram.tmp" /SL5="$500DC,50135319,876032,C:\Users\Admin\AppData\Local\Temp\Telegram.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Programs\Telegram\Telegram.exe"C:\Users\Admin\AppData\Local\Programs\Telegram\Telegram.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
d3dcompiler_47.dll
Telegram.tmp
memory/2632-6-0x0000000000D40000-0x0000000000D41000-memory.dmp
memory/2632-10-0x0000000000D40000-0x0000000000D41000-memory.dmp
memory/2632-9-0x0000000000DE0000-0x000000000121F000-memory.dmp
memory/2632-12-0x0000000000DE0000-0x000000000121F000-memory.dmp
memory/2632-14-0x0000000000DE0000-0x000000000121F000-memory.dmp
memory/2632-29-0x0000000000DE0000-0x000000000121F000-memory.dmp
memory/5640-1-0x0000000000E60000-0x0000000000F44000-memory.dmp
memory/5640-8-0x0000000000E60000-0x0000000000F44000-memory.dmp
memory/5640-30-0x0000000000E60000-0x0000000000F44000-memory.dmp