Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
18/03/2024, 02:27
General
- Target d2593b036a3fff02727be775c21e0b69.exe
- Size 185KB
- Sample240318-cxqlwsfb5t
- SHA256 f16bde49039e4bfd694473520fed3cf57c134ca9f7bab3e292af7950fc41dabf
Malware Config
Extracted
-
smokeloader
-
pub3
Extracted
-
smokeloader
-
2020
-
http://aucmoney.com/upload/
-
http://thegymmum.com/upload/
-
http://atvcampingtrips.com/upload/
-
http://kuapakualaman.com/upload/
-
http://renatazarazua.com/upload/
-
http://nasufmutlu.com/upload/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Program crash 2 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 4 IoCs
- Suspicious use of UnmapMainImage 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\d2593b036a3fff02727be775c21e0b69.exe"C:\Users\Admin\AppData\Local\Temp\d2593b036a3fff02727be775c21e0b69.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4656 -s 2762⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4656 -ip 46561⤵
-
C:\Users\Admin\AppData\Roaming\escsgfhC:\Users\Admin\AppData\Roaming\escsgfh1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 3682⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2220 -ip 22201⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
escsgfh
memory/2220-14-0x0000000002CC0000-0x0000000002DC0000-memory.dmp
memory/2220-15-0x0000000000400000-0x0000000002CBC000-memory.dmp
memory/2220-19-0x0000000000400000-0x0000000002CBC000-memory.dmp
memory/3464-4-0x0000000003200000-0x0000000003216000-memory.dmp
memory/3464-16-0x0000000003080000-0x0000000003096000-memory.dmp
memory/4656-1-0x0000000002D30000-0x0000000002E30000-memory.dmp
memory/4656-2-0x0000000002D10000-0x0000000002D19000-memory.dmp
memory/4656-3-0x0000000000400000-0x0000000002CBC000-memory.dmp
memory/4656-7-0x0000000000400000-0x0000000002CBC000-memory.dmp