Analysis
- max time kernel
158s - max time network
174s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
09/01/2024, 13:10
General
- Target file.exe
- Size 312KB
- Sample240109-qec5qsbbdk
- SHA256 e6e106a5206be28f2b76c0190d3c1ba85d4f4bf759babd66c64d9a17a4219ddb
Malware Config
Extracted
-
smokeloader
-
2022
-
http://selebration17io.io/index.php
-
http://vacantion18ffeu.cc/index.php
-
http://valarioulinity1.net/index.php
-
http://buriatiarutuhuob.net/index.php
-
http://cassiosssionunu.me/index.php
-
http://sulugilioiu19.net/index.php
-
http://goodfooggooftool.net/index.php
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Executes dropped EXE 2 IoCs
- UPX packed file 14 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\3455.exeC:\Users\Admin\AppData\Local\Temp\3455.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\3455.exeC:\Users\Admin\AppData\Local\Temp\3455.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
3455.exe
memory/1508-18-0x0000000002700000-0x00000000028C1000-memory.dmp
memory/1508-19-0x00000000028D0000-0x0000000002A87000-memory.dmp
memory/2720-1-0x0000000000AA0000-0x0000000000BA0000-memory.dmp
memory/2720-2-0x00000000008F0000-0x00000000008FB000-memory.dmp
memory/2720-3-0x0000000000400000-0x000000000086F000-memory.dmp
memory/2720-4-0x0000000000400000-0x000000000086F000-memory.dmp
memory/2720-6-0x0000000000400000-0x000000000086F000-memory.dmp
memory/2720-9-0x00000000008F0000-0x00000000008FB000-memory.dmp
memory/3524-5-0x0000000002FB0000-0x0000000002FC6000-memory.dmp
memory/4780-23-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-32-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-20-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-24-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-25-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-26-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-29-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-22-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-33-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-34-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-35-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-36-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-37-0x0000000000400000-0x0000000000848000-memory.dmp
memory/4780-38-0x0000000000400000-0x0000000000848000-memory.dmp