Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
01/05/2024, 02:00
General
- Target d4be2f3cfa3365cf4b7d567839a2d31f7d0683bcc39e3abd041f1cfbb6b6bbae.exe
- Size 429KB
- Sample240501-ce3hqsfe46
- SHA256 d4be2f3cfa3365cf4b7d567839a2d31f7d0683bcc39e3abd041f1cfbb6b6bbae
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 10 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).
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4be2f3cfa3365cf4b7d567839a2d31f7d0683bcc39e3abd041f1cfbb6b6bbae.exe"C:\Users\Admin\AppData\Local\Temp\d4be2f3cfa3365cf4b7d567839a2d31f7d0683bcc39e3abd041f1cfbb6b6bbae.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\d4be2f3cfa3365cf4b7d567839a2d31f7d0683bcc39e3abd041f1cfbb6b6bbae.exe"C:\Users\Admin\AppData\Local\Temp\d4be2f3cfa3365cf4b7d567839a2d31f7d0683bcc39e3abd041f1cfbb6b6bbae.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/216-9-0x0000000004BE0000-0x0000000005D56000-memory.dmp
memory/216-10-0x0000000077281000-0x00000000773A1000-memory.dmp
memory/216-11-0x0000000010000000-0x0000000010006000-memory.dmp
memory/216-16-0x0000000004BE0000-0x0000000005D56000-memory.dmp
memory/216-24-0x0000000004BE0000-0x0000000005D56000-memory.dmp
memory/228-12-0x0000000000400000-0x0000000001654000-memory.dmp
memory/228-13-0x0000000001660000-0x00000000027D6000-memory.dmp
memory/228-14-0x0000000077308000-0x0000000077309000-memory.dmp
memory/228-15-0x0000000000400000-0x0000000001654000-memory.dmp
memory/228-18-0x0000000001660000-0x00000000027D6000-memory.dmp
memory/228-19-0x0000000077281000-0x00000000773A1000-memory.dmp