Resubmissions
10/04/2024, 03:06
240410-dl3mrace221010/04/2024, 03:06
240410-dl218acd991010/04/2024, 03:06
240410-dl2epacd981010/04/2024, 03:06
240410-dl1s6afg5t1026/02/2024, 03:30
240226-d2sgqabf5510Analysis
- max time kernel
1200s - max time network
1173s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
10/04/2024, 03:06
General
- Target 98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe
- Size 253KB
- Sample240410-dl218acd99
- SHA256 98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee
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
- Checks SCSI registry key(s) 3 TTPs 9 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 11 IoCs
- Suspicious use of FindShellTrayWindow 2 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\98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe"C:\Users\Admin\AppData\Local\Temp\98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Roaming\siewwgjC:\Users\Admin\AppData\Roaming\siewwgj1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- 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
-
C:\Users\Admin\AppData\Roaming\siewwgjC:\Users\Admin\AppData\Roaming\siewwgj1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
siewwgj
memory/2608-62-0x0000000000400000-0x0000000002D3E000-memory.dmp
memory/2608-66-0x0000000000400000-0x0000000002D3E000-memory.dmp
memory/2608-61-0x0000000003010000-0x0000000003110000-memory.dmp
memory/3340-16-0x0000000000D00000-0x0000000000D16000-memory.dmp
memory/3340-63-0x0000000000AE0000-0x0000000000AF6000-memory.dmp
memory/3340-4-0x0000000002A50000-0x0000000002A66000-memory.dmp
memory/3360-14-0x0000000002EF0000-0x0000000002FF0000-memory.dmp
memory/3360-15-0x0000000000400000-0x0000000002D3E000-memory.dmp
memory/3360-19-0x0000000000400000-0x0000000002D3E000-memory.dmp
memory/4700-1-0x0000000002F20000-0x0000000003020000-memory.dmp
memory/4700-5-0x0000000000400000-0x0000000002D3E000-memory.dmp
memory/4700-3-0x0000000000400000-0x0000000002D3E000-memory.dmp
memory/4700-2-0x0000000002EE0000-0x0000000002EEB000-memory.dmp
memory/4980-21-0x0000025A1F880000-0x0000025A1F890000-memory.dmp
memory/4980-57-0x0000025A27E30000-0x0000025A27E31000-memory.dmp
memory/4980-56-0x0000025A27D20000-0x0000025A27D21000-memory.dmp
memory/4980-55-0x0000025A27D20000-0x0000025A27D21000-memory.dmp
memory/4980-53-0x0000025A27CF0000-0x0000025A27CF1000-memory.dmp
memory/4980-37-0x0000025A1F980000-0x0000025A1F990000-memory.dmp