Analysis
- max time kernel
28s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
14/01/2024, 04:12
General
- Target 74b2a3fce09943389941e572722057b1.exe
- Size 230KB
- Sample240114-eshftschd3
- SHA256 a872d94a56b33329d5b685a2597589dce5d0296fc7905af4dded6573ce626999
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.
- Downloads MZ/PE file
- Deletes itself 2 IoCs
- Executes dropped EXE 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of WriteProcessMemory 6 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\74b2a3fce09943389941e572722057b1.exe"C:\Users\Admin\AppData\Local\Temp\74b2a3fce09943389941e572722057b1.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\4C37.exeC:\Users\Admin\AppData\Local\Temp\4C37.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\74b2a3fce09943389941e572722057b1.exe"C:\Users\Admin\AppData\Local\Temp\74b2a3fce09943389941e572722057b1.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\4C37.exeC:\Users\Admin\AppData\Local\Temp\4C37.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
4C37.exe
4C37.exe
memory/1984-3-0x0000000000400000-0x000000000043E000-memory.dmp
memory/1984-8-0x0000000000510000-0x000000000051B000-memory.dmp
memory/1984-5-0x0000000000400000-0x000000000043E000-memory.dmp
memory/1984-3-0x0000000000400000-0x000000000043E000-memory.dmp
memory/1984-1-0x0000000000570000-0x0000000000670000-memory.dmp
memory/1984-2-0x0000000000510000-0x000000000051B000-memory.dmp
memory/1984-1-0x0000000000570000-0x0000000000670000-memory.dmp
memory/1984-8-0x0000000000510000-0x000000000051B000-memory.dmp
memory/1984-5-0x0000000000400000-0x000000000043E000-memory.dmp
memory/1984-2-0x0000000000510000-0x000000000051B000-memory.dmp
memory/3576-4-0x0000000002BF0000-0x0000000002C06000-memory.dmp
memory/3576-4-0x0000000002BF0000-0x0000000002C06000-memory.dmp