Analysis
- max time kernel
153s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
16/01/2024, 06:57
General
- Target 4d7e2a4ab9f09783e56841978e10cb46.exe
- Size 229KB
- Sample240116-hqxphsehal
- SHA256 63719285660c135f9b71eecf5e5da4a4684471b9041dd36d6ee8b7aede2922db
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 5 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\4d7e2a4ab9f09783e56841978e10cb46.exe"C:\Users\Admin\AppData\Local\Temp\4d7e2a4ab9f09783e56841978e10cb46.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\4B3D.exeC:\Users\Admin\AppData\Local\Temp\4B3D.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 4776 -s 11363⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\53BA.exeC:\Users\Admin\AppData\Local\Temp\53BA.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 184 -p 4776 -ip 47761⤵
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
4B3D.exe
53BA.exe
WindowsUpdater.exe
WindowsUpdater.exe
lib.dll
System.dll
memory/2224-38-0x0000000000610000-0x0000000000BA6000-memory.dmp
memory/2224-24-0x0000000000610000-0x0000000000BA6000-memory.dmp
memory/3428-4-0x00000000028F0000-0x0000000002906000-memory.dmp
memory/3692-17-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/3692-41-0x0000000002820000-0x0000000002821000-memory.dmp
memory/3692-43-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/3692-25-0x0000000077914000-0x0000000077915000-memory.dmp
memory/3692-26-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/3692-27-0x0000000002830000-0x000000000283C000-memory.dmp
memory/3692-29-0x0000000002800000-0x0000000002801000-memory.dmp
memory/3692-30-0x0000000002280000-0x00000000022E6000-memory.dmp
memory/3692-15-0x0000000000010000-0x000000000006D000-memory.dmp
memory/3692-19-0x0000000002640000-0x000000000264D000-memory.dmp
memory/4008-65-0x0000000073550000-0x0000000073C67000-memory.dmp
memory/4008-59-0x0000000073550000-0x0000000073C67000-memory.dmp
memory/4144-2-0x0000000002180000-0x0000000002189000-memory.dmp
memory/4144-5-0x0000000000400000-0x000000000043E000-memory.dmp
memory/4144-8-0x0000000002180000-0x0000000002189000-memory.dmp
memory/4144-1-0x0000000000580000-0x0000000000680000-memory.dmp
memory/4144-3-0x0000000000400000-0x000000000043E000-memory.dmp
memory/4776-54-0x0000000000610000-0x00000000006D4000-memory.dmp
memory/4776-37-0x0000000000E00000-0x0000000001234000-memory.dmp
memory/4776-52-0x0000000000610000-0x00000000006D4000-memory.dmp
memory/4776-51-0x0000000000610000-0x00000000006D4000-memory.dmp
memory/4776-60-0x0000000000610000-0x00000000006D4000-memory.dmp
memory/4776-61-0x0000000004360000-0x0000000004362000-memory.dmp
memory/4776-63-0x0000000000E00000-0x0000000001233000-memory.dmp
memory/4776-64-0x0000000000610000-0x00000000006D4000-memory.dmp
memory/4776-40-0x0000000000E00000-0x0000000001234000-memory.dmp