Analysis
- max time kernel
139s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
10/05/2024, 07:49
General
- Target 99009371653-Tec_Spec_095605-0-TB727985.exe
- Size 771KB
- Sample240510-jnteraef32
- SHA256 3293ff0bcd34ae9c0bb8dbee4d8c479ebdd9f9bcd678ad4f184aa8285ba329ad
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 2 IoCs
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files 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\99009371653-Tec_Spec_095605-0-TB727985.exe"C:\Users\Admin\AppData\Local\Temp\99009371653-Tec_Spec_095605-0-TB727985.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\99009371653-Tec_Spec_095605-0-TB727985.exe"C:\Users\Admin\AppData\Local\Temp\99009371653-Tec_Spec_095605-0-TB727985.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/2344-34-0x0000000004920000-0x0000000005BF4000-memory.dmp
memory/2344-35-0x0000000077111000-0x0000000077231000-memory.dmp
memory/2344-36-0x0000000073D65000-0x0000000073D66000-memory.dmp
memory/2344-38-0x0000000004920000-0x0000000005BF4000-memory.dmp
memory/2344-61-0x0000000004920000-0x0000000005BF4000-memory.dmp
memory/4052-37-0x0000000001720000-0x00000000029F4000-memory.dmp
memory/4052-39-0x0000000077198000-0x0000000077199000-memory.dmp
memory/4052-40-0x00000000771B5000-0x00000000771B6000-memory.dmp
memory/4052-53-0x00000000004C0000-0x0000000001714000-memory.dmp
memory/4052-54-0x0000000001720000-0x00000000029F4000-memory.dmp
memory/4052-56-0x0000000077111000-0x0000000077231000-memory.dmp