Analysis
- max time kernel
300s - max time network
255s - platform
windows10-1703_x64 - resource
win10-20240221-en - resource tags
- submitted
22/02/2024, 04:48
General
- Target 77d4e1a7b1dc1a646cb0955793d2cd8734d04d2f0ed48c8a72a029b94063a428.exe
- Size 215KB
- Sample240222-ffls6abg5w
- SHA256 77d4e1a7b1dc1a646cb0955793d2cd8734d04d2f0ed48c8a72a029b94063a428
Malware Config
Extracted
-
smokeloader
-
pub3
Extracted
-
smokeloader
-
2022
-
http://sjyey.com/tmp/index.php
-
http://babonwo.ru/tmp/index.php
-
http://mth.com.ua/tmp/index.php
-
http://piratia.pw/tmp/index.php
-
http://go-piratia.ru/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 AdjustPrivilegeToken 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\77d4e1a7b1dc1a646cb0955793d2cd8734d04d2f0ed48c8a72a029b94063a428.exe"C:\Users\Admin\AppData\Local\Temp\77d4e1a7b1dc1a646cb0955793d2cd8734d04d2f0ed48c8a72a029b94063a428.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Roaming\rrbfvrrC:\Users\Admin\AppData\Roaming\rrbfvrr1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
rrbfvrr
memory/316-1-0x0000000002FC0000-0x00000000030C0000-memory.dmp
memory/316-2-0x0000000002DA0000-0x0000000002DAB000-memory.dmp
memory/316-3-0x0000000000400000-0x0000000002D35000-memory.dmp
memory/316-5-0x0000000000400000-0x0000000002D35000-memory.dmp
memory/2824-14-0x0000000002E90000-0x0000000002F90000-memory.dmp
memory/2824-15-0x0000000000400000-0x0000000002D35000-memory.dmp
memory/2824-17-0x0000000000400000-0x0000000002D35000-memory.dmp
memory/3388-4-0x00000000006E0000-0x00000000006F6000-memory.dmp
memory/3388-16-0x00000000022A0000-0x00000000022B6000-memory.dmp