amadey | 526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0297de1096.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0297de1096.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0297de1096.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 3 IoCs

pid	Process
2132	skotes.exe
1968	babababa.exe
1892	0297de1096.exe

Identifies Wine through registry keys 2 TTPs 3 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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	0297de1096.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	skotes.exe

Loads dropped DLL 3 IoCs

pid	Process
2536	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe
2132	skotes.exe
2132	skotes.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	0297de1096.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	0297de1096.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\0297de1096.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1006063001\\0297de1096.exe"	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2536	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe
2132	skotes.exe
1892	0297de1096.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.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 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0297de1096.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2536	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe
2132	skotes.exe
1892	0297de1096.exe
1892	0297de1096.exe
1892	0297de1096.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	0297de1096.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2536	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2132	2536	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe	30
PID 2536 wrote to memory of 2132	2536	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe	30
PID 2536 wrote to memory of 2132	2536	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe	30
PID 2536 wrote to memory of 2132	2536	526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe	30
PID 2132 wrote to memory of 1968	2132	skotes.exe	33
PID 2132 wrote to memory of 1968	2132	skotes.exe	33
PID 2132 wrote to memory of 1968	2132	skotes.exe	33
PID 2132 wrote to memory of 1968	2132	skotes.exe	33
PID 2132 wrote to memory of 1892	2132	skotes.exe	35
PID 2132 wrote to memory of 1892	2132	skotes.exe	35
PID 2132 wrote to memory of 1892	2132	skotes.exe	35
PID 2132 wrote to memory of 1892	2132	skotes.exe	35

C:\Users\Admin\AppData\Local\Temp\526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe
"C:\Users\Admin\AppData\Local\Temp\526e7692bca7ee6efee8c13d543791dcae7f1cc6ac74651b6b2fb94f7c8cbe6d.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- 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:2536
- C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
  "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Users\Admin\AppData\Local\Temp\1006055001\babababa.exe
    "C:\Users\Admin\AppData\Local\Temp\1006055001\babababa.exe"
    3⤵
    - Executes dropped EXE
    PID:1968
- - C:\Users\Admin\AppData\Local\Temp\1006063001\0297de1096.exe
    "C:\Users\Admin\AppData\Local\Temp\1006063001\0297de1096.exe"
    3⤵
    - 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:1892

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

T1562

Disable or Modify Tools

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

3

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion