9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	SBot_1.95a.exe

Executes dropped EXE 2 IoCs

pid	Process
4812	SBot_1.95a.exe
3804	isass.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	isass.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Wine	SBot_1.95a.exe

Loads dropped DLL 2 IoCs

pid	Process
3804	isass.exe
3804	isass.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\syscheck = "\"C:\\Users\\Admin\\AppData\\Local\\isass.exe\""	reg.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	SBot_1.95a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4812	SBot_1.95a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4628	reg.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4812	SBot_1.95a.exe
4812	SBot_1.95a.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3804	isass.exe
4812	SBot_1.95a.exe
4812	SBot_1.95a.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 4812	4604	9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5.exe	83
PID 4604 wrote to memory of 4812	4604	9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5.exe	83
PID 4604 wrote to memory of 4812	4604	9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5.exe	83
PID 4604 wrote to memory of 3804	4604	9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5.exe	85
PID 4604 wrote to memory of 3804	4604	9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5.exe	85
PID 4604 wrote to memory of 3804	4604	9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5.exe	85
PID 3804 wrote to memory of 2844	3804	isass.exe	86
PID 3804 wrote to memory of 2844	3804	isass.exe	86
PID 3804 wrote to memory of 2844	3804	isass.exe	86
PID 2844 wrote to memory of 2876	2844	cmd.exe	88
PID 2844 wrote to memory of 2876	2844	cmd.exe	88
PID 2844 wrote to memory of 2876	2844	cmd.exe	88
PID 2876 wrote to memory of 4628	2876	cmd.exe	89
PID 2876 wrote to memory of 4628	2876	cmd.exe	89
PID 2876 wrote to memory of 4628	2876	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5.exe
"C:\Users\Admin\AppData\Local\Temp\9489e448122f182195360276e12a417f6a47ff20d05f16c79a48479f95f74bb5.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Users\Admin\AppData\Local\SBot_1.95a.exe
  "C:\Users\Admin\AppData\Local\SBot_1.95a.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Writes to the Master Boot Record (MBR)
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4812
- C:\Users\Admin\AppData\Local\isass.exe
  "C:\Users\Admin\AppData\Local\isass.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3804
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sys32.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2844
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /V syscheck /D "\"C:\Users\Admin\AppData\Local\isass.exe\"" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2876
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /V syscheck /D "\"C:\Users\Admin\AppData\Local\isass.exe\"" /f
        5⤵
        Adds Run key to start application
        Modifies registry key
        
        PID:4628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

3

System Information Discovery

T1082

Virtualization/Sandbox Evasion