Analysis
- max time kernel
90s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
27/12/2022, 20:10
General
- Target TLauncher-2.86-Installer-1.0.1.exe
- Size 21.7MB
- Sample221227-yx4dmsbc8z
- SHA256 5ab5f39d143b6ff77df2fd5026ac8e4788edfd3de27a4e1fa4b420a7d2f61d38
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 3 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TLauncher-2.86-Installer-1.0.1.exe"C:\Users\Admin\AppData\Local\Temp\TLauncher-2.86-Installer-1.0.1.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe"C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:1908426 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\TLauncher-2.86-Installer-1.0.1.exe" "__IRCT:3" "__IRTSS:22693301" "__IRSID:S-1-5-21-2971393436-602173351-1645505021-1000"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
IRZip.lmd
Wow64.lmd
irsetup.exe
irsetup.exe
lua5.1.dll
lua5.1.dll
memory/2248-137-0x0000000000980000-0x0000000000D68000-memory.dmp
memory/2248-140-0x0000000010000000-0x0000000010051000-memory.dmp
memory/2248-141-0x0000000006C30000-0x0000000006C33000-memory.dmp
memory/2248-142-0x0000000000980000-0x0000000000D68000-memory.dmp
memory/2248-143-0x0000000010000000-0x0000000010051000-memory.dmp