Analysis
- max time kernel
102s - max time network
127s - platform
windows7_x64 - resource
win7-20231129-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
- Loads dropped DLL 1 IoCs
- UPX packed file 12 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 FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 13 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\8537.exeC:\Users\Admin\AppData\Local\Temp\8537.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\8537.exeC:\Users\Admin\AppData\Local\Temp\8537.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
cached-microdesc-consensus.tmp
8537.exe
8537.exe
8537.exe
8537.exe
8537.exe
memory/1336-17-0x0000000002300000-0x00000000024B8000-memory.dmp
memory/1336-27-0x0000000002300000-0x00000000024B8000-memory.dmp
memory/1336-20-0x0000000002300000-0x00000000024B8000-memory.dmp
memory/1336-23-0x00000000024C0000-0x0000000002677000-memory.dmp
memory/1380-4-0x0000000002E00000-0x0000000002E16000-memory.dmp
memory/1660-28-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-47-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-30-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-29-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-31-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-32-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-24-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-53-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1660-49-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-48-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-45-0x0000000000400000-0x0000000000848000-memory.dmp
memory/1660-46-0x0000000000400000-0x0000000000848000-memory.dmp
memory/2548-1-0x0000000000980000-0x0000000000A80000-memory.dmp
memory/2548-2-0x0000000000220000-0x000000000022B000-memory.dmp
memory/2548-3-0x0000000000400000-0x000000000086F000-memory.dmp
memory/2548-5-0x0000000000400000-0x000000000086F000-memory.dmp