Analysis
- max time kernel
93s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
05/01/2024, 11:01
General
- Target 4382ba1ba4ef6706728111964b5d2514.exe
- Size 331KB
- Sample240105-m4llmabbe7
- SHA256 a2d58f2c37790969f079091835fec1595e43c8c082d58f45e11277a2223342d7
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\4382ba1ba4ef6706728111964b5d2514.exe"C:\Users\Admin\AppData\Local\Temp\4382ba1ba4ef6706728111964b5d2514.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 748 -s 3922⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 748 -ip 7481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/748-3-0x0000000000400000-0x000000000046E000-memory.dmp
memory/748-2-0x0000000000540000-0x0000000000549000-memory.dmp
memory/748-1-0x00000000005D0000-0x00000000006D0000-memory.dmp
memory/748-11-0x0000000000400000-0x000000000046E000-memory.dmp
memory/3568-8-0x00000000023C0000-0x00000000023D5000-memory.dmp