Analysis
- max time kernel
152s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
09/01/2024, 03:32
General
- Target 2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe
- Size 301KB
- Sample240109-d3pr8aeabr
- SHA256 2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40
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 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 1 IoCs
- NSIS installer 8 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 30 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\2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe"C:\Users\Admin\AppData\Local\Temp\2e08721f791305935eb167081cc4dc13b58297d3810ef998026c7a0a59f00f40.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\D86E.exeC:\Users\Admin\AppData\Local\Temp\D86E.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 2712 -s 11283⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\E2DF.exeC:\Users\Admin\AppData\Local\Temp\E2DF.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 432 -p 2712 -ip 27121⤵
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
D86E.exe
D86E.exe
E2DF.exe
E2DF.exe
WindowsUpdater.exe
WindowsUpdater.exe
WindowsUpdater.exe
lib.dll
System.dll
memory/2712-28-0x0000000000600000-0x00000000006C4000-memory.dmp
memory/2712-63-0x0000000000600000-0x00000000006C4000-memory.dmp
memory/2712-62-0x0000000000A50000-0x0000000000E83000-memory.dmp
memory/2712-60-0x0000000002CE0000-0x0000000002CE2000-memory.dmp
memory/2712-25-0x0000000000A50000-0x0000000000E84000-memory.dmp
memory/2712-27-0x0000000000A50000-0x0000000000E84000-memory.dmp
memory/2712-29-0x0000000000600000-0x00000000006C4000-memory.dmp
memory/2712-31-0x0000000000600000-0x00000000006C4000-memory.dmp
memory/3408-4-0x0000000003090000-0x00000000030A6000-memory.dmp
memory/3616-5-0x0000000000400000-0x0000000000452000-memory.dmp
memory/3616-2-0x00000000005F0000-0x00000000005F9000-memory.dmp
memory/3616-3-0x0000000000400000-0x0000000000452000-memory.dmp
memory/3616-1-0x0000000000790000-0x0000000000890000-memory.dmp
memory/3808-59-0x0000000073130000-0x0000000073847000-memory.dmp
memory/3808-65-0x0000000073130000-0x0000000073847000-memory.dmp
memory/3892-34-0x0000000002830000-0x0000000002831000-memory.dmp
memory/3892-20-0x00000000027C0000-0x00000000027C1000-memory.dmp
memory/3892-14-0x0000000000010000-0x000000000006D000-memory.dmp
memory/3892-33-0x00000000022E0000-0x0000000002346000-memory.dmp
memory/3892-64-0x0000000002830000-0x0000000002831000-memory.dmp
memory/3892-17-0x00000000006E0000-0x00000000006ED000-memory.dmp
memory/3892-23-0x00000000022E0000-0x0000000002346000-memory.dmp
memory/3892-18-0x0000000077934000-0x0000000077935000-memory.dmp
memory/3892-24-0x00000000022E0000-0x0000000002346000-memory.dmp
memory/3892-22-0x0000000002840000-0x000000000284C000-memory.dmp
memory/3892-16-0x00000000022E0000-0x0000000002346000-memory.dmp
memory/3892-19-0x00000000022E0000-0x0000000002346000-memory.dmp
memory/4464-47-0x0000000000060000-0x00000000005F6000-memory.dmp
memory/4464-40-0x0000000000060000-0x00000000005F6000-memory.dmp