Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
18/10/2024, 03:08
General
- Target ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b.exe
- Size 715KB
- Sample241018-dnct4swgnl
- SHA256 ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 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).
- 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: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b.exe"C:\Users\Admin\AppData\Local\Temp\ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b.exe"C:\Users\Admin\AppData\Local\Temp\ea5a8634885c44fcda935373a2d418ef8c32fedd810962b5d703f168ef69ed0b.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/2620-14-0x0000000003050000-0x0000000004232000-memory.dmp
memory/2620-15-0x0000000077751000-0x0000000077871000-memory.dmp
memory/2620-16-0x0000000074BF5000-0x0000000074BF6000-memory.dmp
memory/2620-17-0x0000000003050000-0x0000000004232000-memory.dmp
memory/4896-18-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4896-19-0x0000000001660000-0x0000000002842000-memory.dmp
memory/4896-20-0x00000000777D8000-0x00000000777D9000-memory.dmp
memory/4896-21-0x00000000777F5000-0x00000000777F6000-memory.dmp
memory/4896-34-0x0000000001660000-0x0000000002842000-memory.dmp
memory/4896-35-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4896-36-0x0000000000401000-0x0000000000404000-memory.dmp
memory/4896-37-0x0000000077751000-0x0000000077871000-memory.dmp
memory/4896-38-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4896-39-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4896-40-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4896-41-0x0000000000401000-0x0000000000404000-memory.dmp
memory/4896-42-0x0000000000400000-0x0000000001654000-memory.dmp