Analysis
- max time kernel
79s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
27/12/2023, 23:28
General
- Target ba618b945e0ffb2709208d3c4bd15960.exe
- Size 317KB
- Sample231227-3f6jwsdcf6
- SHA256 52d50c8eb51d3c1cca7baf57353f24943b8c880446ce53ca4e79db8844205503
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
- 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\ba618b945e0ffb2709208d3c4bd15960.exe"C:\Users\Admin\AppData\Local\Temp\ba618b945e0ffb2709208d3c4bd15960.exe"1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Roaming\abwvwieC:\Users\Admin\AppData\Roaming\abwvwie1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
CC4F.tmp
CC4F.tmp
CC4F.tmp
CC4F.tmp
abwvwie
abwvwie
memory/444-3-0x0000000000400000-0x000000000046A000-memory.dmp
memory/444-9-0x0000000000400000-0x000000000046A000-memory.dmp
memory/444-1-0x0000000000640000-0x0000000000740000-memory.dmp
memory/444-2-0x0000000000610000-0x0000000000619000-memory.dmp
memory/3528-8-0x0000000002A10000-0x0000000002A25000-memory.dmp
memory/3528-25-0x0000000002B00000-0x0000000002B15000-memory.dmp
memory/4420-21-0x0000000000400000-0x000000000046A000-memory.dmp
memory/4420-20-0x0000000000560000-0x0000000000660000-memory.dmp
memory/4420-26-0x0000000000400000-0x000000000046A000-memory.dmp