Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
27/07/2026, 01:12
General
- Target 1355a9f43795a3162b7cfd93d1e39cd4aba0b460fef572fced1c036473a222ab.exe
- Size 609KB
- Sample260727-bkpndstycz
- SHA256 1355a9f43795a3162b7cfd93d1e39cd4aba0b460fef572fced1c036473a222ab
Malware Config
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 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\1355a9f43795a3162b7cfd93d1e39cd4aba0b460fef572fced1c036473a222ab.exe"C:\Users\Admin\AppData\Local\Temp\1355a9f43795a3162b7cfd93d1e39cd4aba0b460fef572fced1c036473a222ab.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- 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\1355a9f43795a3162b7cfd93d1e39cd4aba0b460fef572fced1c036473a222ab.exe"C:\Users\Admin\AppData\Local\Temp\1355a9f43795a3162b7cfd93d1e39cd4aba0b460fef572fced1c036473a222ab.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
System.dll
nsoB477.tmp
nsoB477.tmp
nsuB5D2.tmp
nsuB5D2.tmp
nsuB5D2.tmp
nsuB621.tmp
nsuB70C.tmp
nszB5A2.tmp
nszB5A2.tmp
memory/2428-565-0x00000000048A0000-0x0000000006DF8000-memory.dmp
memory/2428-566-0x00000000048A0000-0x0000000006DF8000-memory.dmp
memory/2428-567-0x0000000010004000-0x0000000010005000-memory.dmp
memory/2428-576-0x00000000048A0000-0x0000000006DF8000-memory.dmp
memory/3488-568-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3488-569-0x0000000001660000-0x0000000003BB8000-memory.dmp
memory/3488-570-0x0000000001660000-0x0000000003BB8000-memory.dmp
memory/3488-571-0x0000000000400000-0x0000000001654000-memory.dmp