Analysis
- max time kernel
83s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
07/01/2024, 04:28
General
- Target 987123.exe
- Size 301KB
- Sample240107-e3netsfef5
- SHA256 d7567c94d64fc05b847558d0308b54df1a716fcbe45a480ade6f2987a5ebbaef
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
- Loads dropped DLL 1 IoCs
- 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 WriteProcessMemory 5 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\987123.exe"C:\Users\Admin\AppData\Local\Temp\987123.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\E510.dll1⤵
- Loads dropped DLL
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\E510.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\vitttasC:\Users\Admin\AppData\Roaming\vitttas1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/884-47-0x0000000000400000-0x0000000000452000-memory.dmp
memory/884-45-0x0000000000400000-0x0000000000452000-memory.dmp
memory/884-44-0x00000000005D0000-0x00000000006D0000-memory.dmp
memory/1776-3-0x00000000004E0000-0x00000000004EB000-memory.dmp
memory/1776-2-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1776-1-0x00000000004F0000-0x00000000005F0000-memory.dmp
memory/1776-5-0x0000000000400000-0x0000000000452000-memory.dmp
memory/3528-4-0x0000000001200000-0x0000000001216000-memory.dmp
memory/3528-46-0x0000000002E80000-0x0000000002E96000-memory.dmp
memory/4952-22-0x0000000010000000-0x000000001020F000-memory.dmp
memory/4952-18-0x0000000002FB0000-0x00000000030B8000-memory.dmp
memory/4952-28-0x0000000002FB0000-0x00000000030B8000-memory.dmp
memory/4952-29-0x00000000030C0000-0x000000000362D000-memory.dmp
memory/4952-30-0x0000000003630000-0x000000000372C000-memory.dmp
memory/4952-31-0x0000000003730000-0x000000000382D000-memory.dmp
memory/4952-34-0x0000000003730000-0x000000000382D000-memory.dmp
memory/4952-36-0x000000007DA80000-0x000000007DAC7000-memory.dmp
memory/4952-35-0x0000000000BB0000-0x0000000000BC1000-memory.dmp
memory/4952-21-0x0000000002FB0000-0x00000000030B8000-memory.dmp
memory/4952-17-0x0000000002E80000-0x0000000002FA6000-memory.dmp
memory/4952-16-0x00000000029B0000-0x00000000029B6000-memory.dmp
memory/4952-14-0x0000000010000000-0x000000001020F000-memory.dmp