Analysis
- max time kernel
153s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
30/03/2024, 01:08
General
- Target 2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf.exe
- Size 309KB
- Sample240330-bhnnbaed29
- SHA256 2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf
Malware Config
Extracted
-
smokeloader
-
pub3
Extracted
-
smokeloader
-
2022
-
http://nidoe.org/tmp/index.php
-
http://sodez.ru/tmp/index.php
-
http://uama.com.ua/tmp/index.php
-
http://talesofpirates.net/tmp/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.
- 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\2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf.exe"C:\Users\Admin\AppData\Local\Temp\2952319efa611dd3cd0704bd8bf3f6bce423cd88aace8e28e51b19c672d209cf.exe"1⤵
- 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=4152 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:81⤵
-
C:\Users\Admin\AppData\Roaming\hdcbbstC:\Users\Admin\AppData\Roaming\hdcbbst1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hdcbbst
memory/3408-4-0x0000000003070000-0x0000000003086000-memory.dmp
memory/3408-17-0x0000000001120000-0x0000000001136000-memory.dmp
memory/3440-15-0x0000000000B80000-0x0000000000C80000-memory.dmp
memory/3440-16-0x0000000000400000-0x0000000000AF6000-memory.dmp
memory/3440-18-0x0000000000400000-0x0000000000AF6000-memory.dmp
memory/3672-1-0x0000000000D90000-0x0000000000E90000-memory.dmp
memory/3672-2-0x0000000000C90000-0x0000000000C9B000-memory.dmp
memory/3672-3-0x0000000000400000-0x0000000000AF6000-memory.dmp
memory/3672-5-0x0000000000400000-0x0000000000AF6000-memory.dmp
memory/3672-8-0x0000000000C90000-0x0000000000C9B000-memory.dmp