Analysis
- max time kernel
141s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
06/08/2024, 01:24
General
- Target 25c27fe3e60d30813db39f6297ad3a93c041b5a91426196719165f921516fe40.exe
- Size 420KB
- Sample240806-bsehdsvdpj
- SHA256 25c27fe3e60d30813db39f6297ad3a93c041b5a91426196719165f921516fe40
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows 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 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\25c27fe3e60d30813db39f6297ad3a93c041b5a91426196719165f921516fe40.exe"C:\Users\Admin\AppData\Local\Temp\25c27fe3e60d30813db39f6297ad3a93c041b5a91426196719165f921516fe40.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\25c27fe3e60d30813db39f6297ad3a93c041b5a91426196719165f921516fe40.exe"C:\Users\Admin\AppData\Local\Temp\25c27fe3e60d30813db39f6297ad3a93c041b5a91426196719165f921516fe40.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/852-16-0x0000000004A00000-0x00000000060D1000-memory.dmp
memory/852-17-0x0000000077E41000-0x0000000077F61000-memory.dmp
memory/852-18-0x0000000074CA5000-0x0000000074CA6000-memory.dmp
memory/852-21-0x0000000004A00000-0x00000000060D1000-memory.dmp
memory/852-31-0x0000000004A00000-0x00000000060D1000-memory.dmp
memory/2664-19-0x00000000016C0000-0x0000000002D91000-memory.dmp
memory/2664-20-0x0000000077EC8000-0x0000000077EC9000-memory.dmp
memory/2664-22-0x0000000077EE5000-0x0000000077EE6000-memory.dmp
memory/2664-23-0x0000000000460000-0x00000000016B4000-memory.dmp
memory/2664-24-0x00000000016C0000-0x0000000002D91000-memory.dmp
memory/2664-26-0x0000000077E41000-0x0000000077F61000-memory.dmp