Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
05/07/2024, 01:21
General
- Target 5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.exe
- Size 356KB
- Sample240705-bqq4eayflk
- SHA256 5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75
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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.exe"C:\Users\Admin\AppData\Local\Temp\5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.exe"C:\Users\Admin\AppData\Local\Temp\5543a995a7f45599c76eba74e6856200fad7a026f74b8c5643c78221e48d3f75.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/2860-25-0x00000000016D0000-0x0000000002690000-memory.dmp
memory/2860-26-0x0000000077968000-0x0000000077969000-memory.dmp
memory/2860-27-0x0000000077985000-0x0000000077986000-memory.dmp
memory/2860-29-0x0000000000470000-0x00000000016C4000-memory.dmp
memory/2860-30-0x00000000016D0000-0x0000000002690000-memory.dmp
memory/2860-32-0x00000000778E1000-0x0000000077A01000-memory.dmp
memory/4228-22-0x0000000004A00000-0x00000000059C0000-memory.dmp
memory/4228-23-0x00000000778E1000-0x0000000077A01000-memory.dmp
memory/4228-24-0x0000000074745000-0x0000000074746000-memory.dmp
memory/4228-28-0x0000000004A00000-0x00000000059C0000-memory.dmp
memory/4228-37-0x0000000004A00000-0x00000000059C0000-memory.dmp