Analysis
- max time kernel
151s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
12/03/2024, 16:32
General
- Target c3d46ec2a43121addb63f888898a6c4c.exe
- Size 312KB
- Sample240312-t1425aff85
- 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
- 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 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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1028 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
CC4F.tmp
memory/3336-9-0x0000000005790000-0x00000000057A5000-memory.dmp
memory/3892-1-0x00000000005E0000-0x00000000006E0000-memory.dmp
memory/3892-2-0x00000000021B0000-0x00000000021B9000-memory.dmp
memory/3892-3-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3892-8-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3892-10-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3892-13-0x00000000021B0000-0x00000000021B9000-memory.dmp