Analysis
- max time kernel
100s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
12/01/2024, 22:46
General
- Target 0faa7c27d8cedbb19af0586a236ce4eca6b151509e526bedcc970606e391ce74.exe
- Size 311KB
- Sample240112-2qdfesgaf3
- SHA256 0faa7c27d8cedbb19af0586a236ce4eca6b151509e526bedcc970606e391ce74
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
-
smokeloader
-
2020
-
http://host-file-host6.com/
-
http://host-host-file8.com/
Signatures
- BetaBot
Beta Bot is a Trojan that infects computers and disables Antivirus.
- Modifies firewall policy service 2 TTPs 4 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Sets file execution options in registry 2 TTPs 4 IoCs
- Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Deletes itself 1 IoCs
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
- NSIS installer 6 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
- Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 32 IoCs
- Suspicious use of WriteProcessMemory 12 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\0faa7c27d8cedbb19af0586a236ce4eca6b151509e526bedcc970606e391ce74.exe"C:\Users\Admin\AppData\Local\Temp\0faa7c27d8cedbb19af0586a236ce4eca6b151509e526bedcc970606e391ce74.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 864 -s 3722⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 864 -ip 8641⤵
-
C:\Users\Admin\AppData\Local\Temp\A856.exeC:\Users\Admin\AppData\Local\Temp\A856.exe1⤵
- Sets file execution options in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 11363⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\AD29.exeC:\Users\Admin\AppData\Local\Temp\AD29.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1932 -ip 19321⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
A856.exe
AD29.exe
AD29.exe
WindowsUpdater.exe
memory/864-2-0x00000000004F0000-0x00000000004F9000-memory.dmp
memory/864-3-0x0000000000400000-0x0000000000454000-memory.dmp
memory/864-7-0x0000000000400000-0x0000000000454000-memory.dmp
memory/864-1-0x00000000005A0000-0x00000000006A0000-memory.dmp
memory/1932-27-0x0000000000130000-0x00000000001F4000-memory.dmp
memory/1932-47-0x0000000002820000-0x0000000002821000-memory.dmp
memory/1932-28-0x0000000000130000-0x00000000001F4000-memory.dmp
memory/1932-31-0x0000000000130000-0x00000000001F4000-memory.dmp
memory/1932-59-0x0000000000130000-0x00000000001F4000-memory.dmp
memory/1932-24-0x0000000000A20000-0x0000000000E54000-memory.dmp
memory/1932-26-0x0000000000A20000-0x0000000000E54000-memory.dmp
memory/1932-62-0x0000000000A20000-0x0000000000E53000-memory.dmp
memory/1932-63-0x0000000000130000-0x00000000001F4000-memory.dmp
memory/1932-60-0x0000000004080000-0x0000000004082000-memory.dmp
memory/2676-36-0x0000000000770000-0x0000000000D06000-memory.dmp
memory/2676-45-0x0000000000770000-0x0000000000D06000-memory.dmp
memory/2700-17-0x0000000002640000-0x000000000264D000-memory.dmp
memory/2700-22-0x0000000002800000-0x0000000002801000-memory.dmp
memory/2700-42-0x0000000000810000-0x0000000000876000-memory.dmp
memory/2700-23-0x0000000000810000-0x0000000000876000-memory.dmp
memory/2700-20-0x0000000002830000-0x000000000283C000-memory.dmp
memory/2700-18-0x0000000077774000-0x0000000077775000-memory.dmp
memory/2700-19-0x0000000000810000-0x0000000000876000-memory.dmp
memory/2700-16-0x0000000000810000-0x0000000000876000-memory.dmp
memory/2700-14-0x0000000000010000-0x000000000006D000-memory.dmp
memory/3212-58-0x0000000072F60000-0x0000000073677000-memory.dmp
memory/3212-64-0x0000000072F60000-0x0000000073677000-memory.dmp
memory/3396-4-0x0000000003290000-0x00000000032A6000-memory.dmp