Analysis
- max time kernel
151s - max time network
131s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
28/12/2023, 04:36
General
- Target c3d46ec2a43121addb63f888898a6c4c.exe
- Size 312KB
- Sample231228-e8nb1schg5
- 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
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 4 IoCs
- Program crash 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 AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
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:\Windows\system32\taskeng.exetaskeng.exe {D7F8D5FE-7E61-43A2-93E0-7E21C85006B0} S-1-5-21-1268429524-3929314613-1992311491-1000:XBTLDBHN\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\bjucvheC:\Users\Admin\AppData\Roaming\bjucvhe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 1243⤵
- Loads dropped DLL
- Program crash
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
CC4F.tmp
memory/1256-7-0x00000000029F0000-0x0000000002A05000-memory.dmp
memory/2384-2-0x0000000000220000-0x0000000000229000-memory.dmp
memory/2384-4-0x0000000000400000-0x0000000000468000-memory.dmp
memory/2384-1-0x00000000005F0000-0x00000000006F0000-memory.dmp
memory/2384-9-0x0000000000220000-0x0000000000229000-memory.dmp
memory/2384-8-0x0000000000400000-0x0000000000468000-memory.dmp
memory/2756-19-0x0000000000400000-0x0000000000468000-memory.dmp
memory/2756-18-0x0000000000630000-0x0000000000730000-memory.dmp
memory/2756-25-0x0000000000630000-0x0000000000730000-memory.dmp