Analysis
- max time kernel
151s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
28/05/2024, 14:17
General
- Target caeb52cc373016afd2187667212e7825c8ee6a028c2176431c69e2296d4177fc.exe
- Size 241KB
- Sample240528-rl1eaagf4z
- SHA256 caeb52cc373016afd2187667212e7825c8ee6a028c2176431c69e2296d4177fc
Malware Config
Extracted
-
smokeloader
-
pub3
Extracted
-
smokeloader
-
2022
-
http://dbfhns.in/tmp/index.php
-
http://guteyr.cc/tmp/index.php
-
http://greendag.ru/tmp/index.php
-
http://lobulraualov.in.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
- 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\caeb52cc373016afd2187667212e7825c8ee6a028c2176431c69e2296d4177fc.exe"C:\Users\Admin\AppData\Local\Temp\caeb52cc373016afd2187667212e7825c8ee6a028c2176431c69e2296d4177fc.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=4440 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:81⤵
-
C:\Users\Admin\AppData\Roaming\rugjgvhC:\Users\Admin\AppData\Roaming\rugjgvh1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
rugjgvh
memory/2828-16-0x0000000000400000-0x0000000001F88000-memory.dmp
memory/2828-20-0x0000000000400000-0x0000000001F88000-memory.dmp
memory/3268-4-0x0000000002CF0000-0x0000000002D06000-memory.dmp
memory/3268-17-0x0000000002E20000-0x0000000002E36000-memory.dmp
memory/4832-1-0x0000000002070000-0x0000000002170000-memory.dmp
memory/4832-2-0x0000000002060000-0x000000000206B000-memory.dmp
memory/4832-3-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4832-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4832-8-0x0000000002060000-0x000000000206B000-memory.dmp
memory/4832-7-0x0000000000400000-0x0000000001F88000-memory.dmp