Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
01/06/2026, 12:18
General
- Target 213497664-030339-sanlccjavap0003-1.exe
- Size 242KB
- Sample260601-pgt1labt6t
- SHA256 74f92fb6e52a3be7d44f8698501a2c8f8e93ba79ab30421ca54991482c569a96
Malware Config
Signatures
- Family: 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.
- Loads dropped DLL 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\213497664-030339-sanlccjavap0003-1.exe"C:\Users\Admin\AppData\Local\Temp\213497664-030339-sanlccjavap0003-1.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\213497664-030339-sanlccjavap0003-1.exe"C:\Users\Admin\AppData\Local\Temp\213497664-030339-sanlccjavap0003-1.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/4660-18-0x0000000000400000-0x0000000001717000-memory.dmp
memory/4660-19-0x0000000001720000-0x000000000407E000-memory.dmp
memory/4660-20-0x0000000000400000-0x0000000001717000-memory.dmp
memory/4660-21-0x0000000001720000-0x000000000407E000-memory.dmp
memory/5024-15-0x0000000004530000-0x0000000006E8E000-memory.dmp
memory/5024-16-0x0000000004530000-0x0000000006E8E000-memory.dmp
memory/5024-17-0x0000000010004000-0x0000000010005000-memory.dmp