Analysis
- max time kernel
91s - max time network
118s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
28/12/2023, 23:00
General
- Target fe8540de5f12df11086e1b626e426fda.exe
- Size 312KB
- Sample231228-2zfbdahbfl
- SHA256 aefec444c7481f96021203a4e67af954092d09c31eb7dcf386eeb156e12d70b3
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub3
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://conceitosseg.com/upload/
-
http://integrasidata.com/upload/
-
http://ozentekstil.com/upload/
-
http://finbelportal.com/upload/
-
http://telanganadigital.com/upload/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Loads dropped DLL 1 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 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\fe8540de5f12df11086e1b626e426fda.exe"C:\Users\Admin\AppData\Local\Temp\fe8540de5f12df11086e1b626e426fda.exe"1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 3762⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3496 -ip 34961⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
CC4F.tmp
memory/3460-8-0x0000000002250000-0x0000000002265000-memory.dmp
memory/3496-3-0x0000000000400000-0x0000000000468000-memory.dmp
memory/3496-2-0x00000000021B0000-0x00000000021B9000-memory.dmp
memory/3496-1-0x00000000005B0000-0x00000000006B0000-memory.dmp
memory/3496-11-0x0000000000400000-0x0000000000468000-memory.dmp