Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
23/05/2024, 14:24
General
- Target 86acf99a01780d400bcf8429879d515401ec2dfb15554ce91dc95ee5494508d6.exe
- Size 380KB
- Sample240523-rqq2eaeb4z
- SHA256 86acf99a01780d400bcf8429879d515401ec2dfb15554ce91dc95ee5494508d6
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 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\86acf99a01780d400bcf8429879d515401ec2dfb15554ce91dc95ee5494508d6.exe"C:\Users\Admin\AppData\Local\Temp\86acf99a01780d400bcf8429879d515401ec2dfb15554ce91dc95ee5494508d6.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\86acf99a01780d400bcf8429879d515401ec2dfb15554ce91dc95ee5494508d6.exe"C:\Users\Admin\AppData\Local\Temp\86acf99a01780d400bcf8429879d515401ec2dfb15554ce91dc95ee5494508d6.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
Tubaistens.ini
memory/944-26217-0x00000000017A0000-0x00000000047D5000-memory.dmp
memory/944-26218-0x0000000000540000-0x0000000001794000-memory.dmp
memory/944-26221-0x00000000017A0000-0x00000000047D5000-memory.dmp
memory/4632-26214-0x0000000014EE0000-0x0000000017F15000-memory.dmp
memory/4632-26215-0x0000000077561000-0x0000000077681000-memory.dmp
memory/4632-26216-0x00000000743C5000-0x00000000743C6000-memory.dmp
memory/4632-26219-0x0000000014EE0000-0x0000000017F15000-memory.dmp
memory/4632-26226-0x0000000014EE0000-0x0000000017F15000-memory.dmp