Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
01/08/2026, 11:33
General
- Target 38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe
- Size 893KB
- Sample260801-nnzc8aak21
- SHA256 38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb
Malware Config
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 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
- Drops file in Program Files directory 2 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\38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe"C:\Users\Admin\AppData\Local\Temp\38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe"C:\Users\Admin\AppData\Local\Temp\38f4ce7689e3aa05b30b6fa590f0de48ffb4fba1bfc47df3f5765d62c62422bb.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
implementoernavnet.ini
nsa77B1.tmp
nsa789C.tmp
nsa789C.tmp
nsa789C.tmp
nsa789C.tmp
nsa789C.tmp
nsa7987.tmp
nsa7987.tmp
nsu76A4.tmp
nsu76A4.tmp
nsu76A4.tmp
nsu76A4.tmp
nsu76A4.tmp
System.dll
nsu7742.tmp
memory/4040-833-0x00000000050A0000-0x000000000704A000-memory.dmp
memory/4040-834-0x00000000050A0000-0x000000000704A000-memory.dmp
memory/4040-835-0x00000000745A5000-0x00000000745A6000-memory.dmp
memory/4040-836-0x00000000050A0000-0x000000000704A000-memory.dmp
memory/5068-840-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/5068-847-0x00000000016D0000-0x000000000367A000-memory.dmp