Analysis
- max time kernel
116s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
22/08/2024, 16:17
General
- Target 638b6cb2470788a51b6c55859526b160N.exe
- Size 154KB
- Sample240822-trrensyflq
- SHA256 09fb6ec8522a119b0f77ecc7851dcc5664ba82d99ed86518a2fb46843040a0c4
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- 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.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\638b6cb2470788a51b6c55859526b160N.exe"C:\Users\Admin\AppData\Local\Temp\638b6cb2470788a51b6c55859526b160N.exe"1⤵
- Checks QEMU agent file
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\638b6cb2470788a51b6c55859526b160N.exe"C:\Users\Admin\AppData\Local\Temp\638b6cb2470788a51b6c55859526b160N.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/680-2-0x0000000002110000-0x0000000002122000-memory.dmp
memory/680-3-0x0000000077361000-0x0000000077481000-memory.dmp
memory/680-4-0x0000000002110000-0x0000000002122000-memory.dmp
memory/680-8-0x0000000002110000-0x0000000002122000-memory.dmp
memory/4724-5-0x0000000000400000-0x000000000055D000-memory.dmp
memory/4724-7-0x0000000000560000-0x0000000000660000-memory.dmp
memory/4724-9-0x0000000000560000-0x0000000000660000-memory.dmp
memory/4724-15-0x0000000000400000-0x000000000055D000-memory.dmp