amadey | 167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca

Virtualization/Sandbox Evasion

Processes:

2U3546.exe3U04d.exe4Y451j.exeskotes.exeskotes.exeskotes.exe1S35a4.exeskotes.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2U3546.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3U04d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4Y451j.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1S35a4.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Checks BIOS information in registry 2 TTPs 16 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

T1082

Processes:

skotes.exeskotes.exeskotes.exe2U3546.exe3U04d.exe1S35a4.exe4Y451j.exeskotes.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2U3546.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3U04d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1S35a4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2U3546.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4Y451j.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3U04d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1S35a4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4Y451j.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

T1082

Processes:

1S35a4.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	1S35a4.exe

Executes dropped EXE 10 IoCs

Processes:

Y2e39.exeB9V60.exe1S35a4.exeskotes.exe2U3546.exe3U04d.exe4Y451j.exeskotes.exeskotes.exeskotes.exe

pid	Process
1884	Y2e39.exe
2180	B9V60.exe
2448	1S35a4.exe
4824	skotes.exe
4852	2U3546.exe
2260	3U04d.exe
3620	4Y451j.exe
4808	skotes.exe
4112	skotes.exe
216	skotes.exe

Identifies Wine through registry keys 2 TTPs 8 IoCs

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

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

skotes.exeskotes.exe1S35a4.exeskotes.exe2U3546.exe3U04d.exe4Y451j.exeskotes.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	1S35a4.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	2U3546.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	3U04d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	4Y451j.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	skotes.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

4Y451j.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	4Y451j.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	4Y451j.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exeY2e39.exeB9V60.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	Y2e39.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	B9V60.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

Processes:

1S35a4.exeskotes.exe2U3546.exe3U04d.exe4Y451j.exeskotes.exeskotes.exeskotes.exe

pid	Process
2448	1S35a4.exe
4824	skotes.exe
4852	2U3546.exe
2260	3U04d.exe
3620	4Y451j.exe
4808	skotes.exe
4112	skotes.exe
216	skotes.exe

Drops file in Windows directory 1 IoCs

Processes:

1S35a4.exe

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	1S35a4.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

3U04d.exe4Y451j.exe167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exeY2e39.exeB9V60.exe1S35a4.exeskotes.exe2U3546.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3U04d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4Y451j.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Y2e39.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	B9V60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1S35a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2U3546.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

1S35a4.exeskotes.exe2U3546.exe3U04d.exe4Y451j.exeskotes.exeskotes.exeskotes.exe

pid	Process
2448	1S35a4.exe
2448	1S35a4.exe
4824	skotes.exe
4824	skotes.exe
4852	2U3546.exe
4852	2U3546.exe
2260	3U04d.exe
2260	3U04d.exe
3620	4Y451j.exe
3620	4Y451j.exe
4808	skotes.exe
4808	skotes.exe
3620	4Y451j.exe
3620	4Y451j.exe
4112	skotes.exe
4112	skotes.exe
216	skotes.exe
216	skotes.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4Y451j.exe

description	pid	Process
Token: SeDebugPrivilege	3620	4Y451j.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

1S35a4.exe

pid	Process
2448	1S35a4.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exeY2e39.exeB9V60.exe1S35a4.exe

description	pid	Process	procid_target
PID 2440 wrote to memory of 1884	2440	167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe	82
PID 2440 wrote to memory of 1884	2440	167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe	82
PID 2440 wrote to memory of 1884	2440	167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe	82
PID 1884 wrote to memory of 2180	1884	Y2e39.exe	83
PID 1884 wrote to memory of 2180	1884	Y2e39.exe	83
PID 1884 wrote to memory of 2180	1884	Y2e39.exe	83
PID 2180 wrote to memory of 2448	2180	B9V60.exe	84
PID 2180 wrote to memory of 2448	2180	B9V60.exe	84
PID 2180 wrote to memory of 2448	2180	B9V60.exe	84
PID 2448 wrote to memory of 4824	2448	1S35a4.exe	85
PID 2448 wrote to memory of 4824	2448	1S35a4.exe	85
PID 2448 wrote to memory of 4824	2448	1S35a4.exe	85
PID 2180 wrote to memory of 4852	2180	B9V60.exe	86
PID 2180 wrote to memory of 4852	2180	B9V60.exe	86
PID 2180 wrote to memory of 4852	2180	B9V60.exe	86
PID 1884 wrote to memory of 2260	1884	Y2e39.exe	91
PID 1884 wrote to memory of 2260	1884	Y2e39.exe	91
PID 1884 wrote to memory of 2260	1884	Y2e39.exe	91
PID 2440 wrote to memory of 3620	2440	167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe	92
PID 2440 wrote to memory of 3620	2440	167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe	92
PID 2440 wrote to memory of 3620	2440	167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe	92

C:\Users\Admin\AppData\Local\Temp\167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe
"C:\Users\Admin\AppData\Local\Temp\167f2c3220576c1a500f69c95b5e61c1aaff9171465adb197f0f620bfee3b9ca.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Y2e39.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Y2e39.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1884
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\B9V60.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\B9V60.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2180
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1S35a4.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1S35a4.exe
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Checks computer location settings
      Executes dropped EXE
      Identifies Wine through registry keys
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2448
    - - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        
        "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
        5⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Checks BIOS information in registry
        Executes dropped EXE
        Identifies Wine through registry keys
        Suspicious use of NtSetInformationThreadHideFromDebugger
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:4824
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2U3546.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2U3546.exe
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Executes dropped EXE
      Identifies Wine through registry keys
      Suspicious use of NtSetInformationThreadHideFromDebugger
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:4852
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3U04d.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\3U04d.exe
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:2260
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4Y451j.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4Y451j.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Windows security modification
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3620

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4808

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4112

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

4

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2