Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
- submitted
08/12/2023, 09:23
General
- Target file.exe
- Size 238KB
- Sample231208-lcf2dsac36
- SHA256 78778d67feffc98d7dd74949043e5090686bbaa8bbf2a82453b2c3de9ff25fa8
Malware Config
Extracted
-
smokeloader
-
pub4
Extracted
-
smokeloader
-
2022
-
http://humydrole.com/tmp/index.php
-
http://trunk-co.ru/tmp/index.php
-
http://weareelight.com/tmp/index.php
-
http://pirateking.online/tmp/index.php
-
http://piratia.pw/tmp/index.php
-
http://go-piratia.ru/tmp/index.php
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Modifies registry class 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 11 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of UnmapMainImage 1 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:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1120-2-0x00000000009B0000-0x00000000009BB000-memory.dmp
memory/1120-1-0x0000000000A70000-0x0000000000B70000-memory.dmp
memory/1120-3-0x0000000000400000-0x000000000085E000-memory.dmp
memory/1120-5-0x0000000000400000-0x000000000085E000-memory.dmp
memory/1120-8-0x00000000009B0000-0x00000000009BB000-memory.dmp
memory/3152-12-0x000001D47F440000-0x000001D47F450000-memory.dmp
memory/3152-28-0x000001D47F540000-0x000001D47F550000-memory.dmp
memory/3152-44-0x000001D47F810000-0x000001D47F811000-memory.dmp
memory/3152-46-0x000001D47F840000-0x000001D47F841000-memory.dmp
memory/3152-47-0x000001D47F840000-0x000001D47F841000-memory.dmp
memory/3152-48-0x000001D47F950000-0x000001D47F951000-memory.dmp
memory/3388-4-0x00000000024A0000-0x00000000024B6000-memory.dmp