Analysis
- max time kernel
148s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
08/05/2024, 07:37
General
- Target Tandbyld206.exe
- Size 427KB
- Sample240508-jf1h4acb78
- SHA256 72368b8044cbc2406d974a17f5e53b456bc2cc26afafaf4f215faffa003b0054
Score
10/10
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
- Drops file in Program Files directory 4 IoCs
- Drops file in Windows directory 2 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\Tandbyld206.exe"C:\Users\Admin\AppData\Local\Temp\Tandbyld206.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Tandbyld206.exe"C:\Users\Admin\AppData\Local\Temp\Tandbyld206.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/876-23-0x00000000045C0000-0x0000000006B0A000-memory.dmp
memory/876-24-0x0000000076F81000-0x00000000770A1000-memory.dmp
memory/876-25-0x0000000010004000-0x0000000010005000-memory.dmp
memory/876-28-0x00000000045C0000-0x0000000006B0A000-memory.dmp
memory/876-35-0x00000000045C0000-0x0000000006B0A000-memory.dmp
memory/1500-26-0x0000000001A60000-0x0000000003FAA000-memory.dmp
memory/1500-27-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1500-30-0x0000000001A60000-0x0000000003FAA000-memory.dmp