Analysis
- max time kernel
155s - max time network
164s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
28/12/2023, 04:36
General
- Target c3d46ec2a43121addb63f888898a6c4c.exe
- Size 312KB
- Sample231228-e8nb1schg5
- SHA256 b84d0e2da061fe4351038a88a6baef71cd5743857eb5358d4396a3b5b3364a51
Malware Config
Extracted
-
smokeloader
-
pub3
Extracted
-
smokeloader
-
2020
-
http://conceitosseg.com/upload/
-
http://integrasidata.com/upload/
-
http://ozentekstil.com/upload/
-
http://finbelportal.com/upload/
-
http://telanganadigital.com/upload/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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 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\c3d46ec2a43121addb63f888898a6c4c.exe"C:\Users\Admin\AppData\Local\Temp\c3d46ec2a43121addb63f888898a6c4c.exe"1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Roaming\tjiicatC:\Users\Admin\AppData\Roaming\tjiicat1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
CC4F.tmp
CC4F.tmp
CC4F.tmp
CC4F.tmp
tjiicat
memory/3408-26-0x0000000002770000-0x0000000002785000-memory.dmp
memory/3408-8-0x00000000030C0000-0x00000000030D5000-memory.dmp
memory/4136-12-0x00000000006D0000-0x00000000006D9000-memory.dmp
memory/4136-2-0x00000000006D0000-0x00000000006D9000-memory.dmp
memory/4136-9-0x0000000000400000-0x0000000000468000-memory.dmp
memory/4136-1-0x00000000006E0000-0x00000000007E0000-memory.dmp
memory/4136-3-0x0000000000400000-0x0000000000468000-memory.dmp
memory/4752-21-0x0000000000400000-0x0000000000468000-memory.dmp
memory/4752-20-0x0000000000650000-0x0000000000750000-memory.dmp
memory/4752-29-0x0000000000400000-0x0000000000468000-memory.dmp