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
600s - max time network
590s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
10/04/2024, 03:06
General
- Target 98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe
- Size 253KB
- Sample240410-dl2epacd98
- 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 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 7 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\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\gdehcrbC:\Users\Admin\AppData\Roaming\gdehcrb1⤵
- 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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
gdehcrb
memory/1820-17-0x0000000000400000-0x0000000002D3E000-memory.dmp
memory/1820-15-0x0000000000400000-0x0000000002D3E000-memory.dmp
memory/1820-14-0x0000000002F00000-0x0000000003000000-memory.dmp
memory/2800-65-0x00000267D7DF0000-0x00000267D7DF1000-memory.dmp
memory/2800-58-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-89-0x00000267D8050000-0x00000267D8051000-memory.dmp
memory/2800-88-0x00000267D7F40000-0x00000267D7F41000-memory.dmp
memory/2800-87-0x00000267D7F40000-0x00000267D7F41000-memory.dmp
memory/2800-85-0x00000267D7F30000-0x00000267D7F31000-memory.dmp
memory/2800-21-0x00000267CFB40000-0x00000267CFB50000-memory.dmp
memory/2800-37-0x00000267CFC40000-0x00000267CFC50000-memory.dmp
memory/2800-53-0x00000267D81B0000-0x00000267D81B1000-memory.dmp
memory/2800-54-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-55-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-56-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-57-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-73-0x00000267CF5F0000-0x00000267CF5F1000-memory.dmp
memory/2800-59-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-60-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-61-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-62-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-63-0x00000267D81E0000-0x00000267D81E1000-memory.dmp
memory/2800-64-0x00000267D7E00000-0x00000267D7E01000-memory.dmp
memory/2800-70-0x00000267D7DF0000-0x00000267D7DF1000-memory.dmp
memory/2800-67-0x00000267D7E00000-0x00000267D7E01000-memory.dmp
memory/3340-16-0x0000000002F00000-0x0000000002F16000-memory.dmp
memory/3340-4-0x00000000030A0000-0x00000000030B6000-memory.dmp
memory/3868-1-0x0000000002F10000-0x0000000003010000-memory.dmp
memory/3868-5-0x0000000000400000-0x0000000002D3E000-memory.dmp
memory/3868-2-0x0000000002EE0000-0x0000000002EEB000-memory.dmp
memory/3868-3-0x0000000000400000-0x0000000002D3E000-memory.dmp