Analysis
- max time kernel
23s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
12/01/2024, 10:51
General
- Target fbec4956a178bb65221cf87ab537b828.exe
- Size 207KB
- Sample240112-mxtzesfcd3
- SHA256 f22e8c6027000f421c70d5733ff537d1e2e49deb5cc1d6ad3287175dffc2668e
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 2 IoCs
- Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Program crash 2 IoCs
- NSIS installer 1 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
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 30 IoCs
- Suspicious use of WriteProcessMemory 6 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\fbec4956a178bb65221cf87ab537b828.exe"C:\Users\Admin\AppData\Local\Temp\fbec4956a178bb65221cf87ab537b828.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 3842⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3716 -ip 37161⤵
-
C:\Users\Admin\AppData\Local\Temp\AA3A.exeC:\Users\Admin\AppData\Local\Temp\AA3A.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
- Checks BIOS information in registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 11163⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\B14F.exeC:\Users\Admin\AppData\Local\Temp\B14F.exe1⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 868 -ip 8681⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
AA3A.exe
B14F.exe
memory/868-30-0x00000000001B0000-0x0000000000274000-memory.dmp
memory/868-43-0x00000000003A0000-0x00000000007D3000-memory.dmp
memory/868-44-0x00000000001B0000-0x0000000000274000-memory.dmp
memory/868-41-0x0000000004100000-0x0000000004102000-memory.dmp
memory/868-25-0x00000000003A0000-0x00000000007D4000-memory.dmp
memory/868-28-0x00000000001B0000-0x0000000000274000-memory.dmp
memory/868-27-0x00000000003A0000-0x00000000007D4000-memory.dmp
memory/3064-38-0x0000000000970000-0x0000000000F06000-memory.dmp
memory/3064-40-0x0000000000970000-0x0000000000F06000-memory.dmp
memory/3488-4-0x00000000032D0000-0x00000000032E6000-memory.dmp
memory/3716-2-0x00000000004C0000-0x00000000004C9000-memory.dmp
memory/3716-1-0x0000000000580000-0x0000000000680000-memory.dmp
memory/3716-8-0x00000000004C0000-0x00000000004C9000-memory.dmp
memory/3716-7-0x0000000000400000-0x0000000000439000-memory.dmp
memory/3716-3-0x0000000000400000-0x0000000000439000-memory.dmp
memory/4544-32-0x0000000000710000-0x0000000000776000-memory.dmp
memory/4544-23-0x0000000002830000-0x000000000283C000-memory.dmp
memory/4544-21-0x0000000077374000-0x0000000077375000-memory.dmp
memory/4544-33-0x0000000002820000-0x0000000002821000-memory.dmp
memory/4544-18-0x0000000000790000-0x000000000079D000-memory.dmp
memory/4544-17-0x0000000000710000-0x0000000000776000-memory.dmp
memory/4544-15-0x0000000000010000-0x000000000006D000-memory.dmp
memory/4544-19-0x0000000000710000-0x0000000000776000-memory.dmp
memory/4544-22-0x0000000002800000-0x0000000002801000-memory.dmp
memory/4544-24-0x0000000000710000-0x0000000000776000-memory.dmp