Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
20/05/2026, 17:46
General
- Target transferencia-768934-564534.exe
- Size 478KB
- Sample260520-wce47se18p
- SHA256 640d4390b574d98cd36bd206a65fceec9c322b4008a915519f55a8d39265c78c
Score
10/10
Malware Config
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 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 WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\transferencia-768934-564534.exe"C:\Users\Admin\AppData\Local\Temp\transferencia-768934-564534.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\transferencia-768934-564534.exe"C:\Users\Admin\AppData\Local\Temp\transferencia-768934-564534.exe"2⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 416 -s 4523⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 416 -ip 4161⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/4444-18-0x0000000004550000-0x00000000058E5000-memory.dmp
memory/4444-19-0x0000000074665000-0x0000000074666000-memory.dmp
memory/4444-20-0x0000000004550000-0x00000000058E5000-memory.dmp