Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
28/08/2024, 15:07
General
- Target 5c165586ed7a8f62f8d8fe850d874ede748092d4dbf54667ce8b02b4081c4cfe.exe
- Size 732KB
- Sample240828-sheh3sshpc
- SHA256 5c165586ed7a8f62f8d8fe850d874ede748092d4dbf54667ce8b02b4081c4cfe
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 10 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 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\5c165586ed7a8f62f8d8fe850d874ede748092d4dbf54667ce8b02b4081c4cfe.exe"C:\Users\Admin\AppData\Local\Temp\5c165586ed7a8f62f8d8fe850d874ede748092d4dbf54667ce8b02b4081c4cfe.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\5c165586ed7a8f62f8d8fe850d874ede748092d4dbf54667ce8b02b4081c4cfe.exe"C:\Users\Admin\AppData\Local\Temp\5c165586ed7a8f62f8d8fe850d874ede748092d4dbf54667ce8b02b4081c4cfe.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
LangDLL.dll
System.dll
UserInfo.dll
nsDialogs.dll
nsExec.dll
memory/3112-47-0x0000000001A70000-0x000000000271F000-memory.dmp
memory/3112-48-0x00000000774C8000-0x00000000774C9000-memory.dmp
memory/3112-49-0x0000000001A70000-0x000000000271F000-memory.dmp
memory/3112-50-0x0000000000810000-0x0000000001A64000-memory.dmp
memory/3112-51-0x0000000077441000-0x0000000077561000-memory.dmp
memory/4252-44-0x0000000077441000-0x0000000077561000-memory.dmp
memory/4252-46-0x0000000074095000-0x0000000074096000-memory.dmp
memory/4252-45-0x00000000045C0000-0x000000000526F000-memory.dmp
memory/4252-43-0x00000000045C0000-0x000000000526F000-memory.dmp
memory/4252-57-0x00000000045C0000-0x000000000526F000-memory.dmp