Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
12/01/2024, 15:39
General
- Target 9ac3cdbb52dc74eae6b45a0789da8f14.exe
- Size 352KB
- Sample240112-s3pvjsbdg3
- SHA256 577630ab8871c11387fde67ae8791d81f96e3d3ec8db98a58ed5346c59f51229
Malware Config
Extracted
-
smokeloader
-
up3
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 4 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 3 IoCs
- NSIS installer 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 34 IoCs
- Suspicious use of UnmapMainImage 1 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\9ac3cdbb52dc74eae6b45a0789da8f14.exe"C:\Users\Admin\AppData\Local\Temp\9ac3cdbb52dc74eae6b45a0789da8f14.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 3682⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3032 -ip 30321⤵
-
C:\Users\Admin\AppData\Local\Temp\B0B2.exeC:\Users\Admin\AppData\Local\Temp\B0B2.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 4876 -s 11443⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\B509.exeC:\Users\Admin\AppData\Local\Temp\B509.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 536 -p 4876 -ip 48761⤵
-
C:\Users\Admin\AppData\Roaming\ivevtvfC:\Users\Admin\AppData\Roaming\ivevtvf1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 3682⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4404 -ip 44041⤵
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
B0B2.exe
B509.exe
memory/2828-21-0x0000000077554000-0x0000000077555000-memory.dmp
memory/2828-24-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/2828-59-0x0000000002820000-0x0000000002821000-memory.dmp
memory/2828-58-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/2828-15-0x0000000000010000-0x000000000006D000-memory.dmp
memory/2828-17-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/2828-18-0x0000000002640000-0x000000000264D000-memory.dmp
memory/2828-19-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/2828-22-0x0000000002800000-0x0000000002801000-memory.dmp
memory/2828-23-0x0000000002840000-0x000000000284C000-memory.dmp
memory/2828-25-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/2920-37-0x00000000002C0000-0x0000000000856000-memory.dmp
memory/2920-45-0x00000000002C0000-0x0000000000856000-memory.dmp
memory/3032-3-0x0000000000400000-0x000000000087A000-memory.dmp
memory/3032-1-0x00000000008F0000-0x00000000009F0000-memory.dmp
memory/3032-4-0x0000000000400000-0x000000000087A000-memory.dmp
memory/3032-8-0x0000000000400000-0x000000000087A000-memory.dmp
memory/3032-2-0x0000000000A00000-0x0000000000A09000-memory.dmp
memory/3420-5-0x00000000027D0000-0x00000000027E6000-memory.dmp
memory/3420-70-0x00000000027F0000-0x0000000002806000-memory.dmp
memory/4404-67-0x0000000000B80000-0x0000000000C80000-memory.dmp
memory/4404-73-0x0000000000400000-0x000000000087A000-memory.dmp
memory/4404-68-0x0000000000400000-0x000000000087A000-memory.dmp
memory/4876-26-0x00000000009F0000-0x0000000000E24000-memory.dmp
memory/4876-63-0x0000000000400000-0x00000000004C4000-memory.dmp
memory/4876-62-0x00000000009F0000-0x0000000000E23000-memory.dmp
memory/4876-60-0x0000000002AB0000-0x0000000002AB2000-memory.dmp
memory/4876-28-0x00000000009F0000-0x0000000000E24000-memory.dmp
memory/4876-31-0x0000000000400000-0x00000000004C4000-memory.dmp
memory/4876-38-0x0000000000400000-0x00000000004C4000-memory.dmp