amadey | 1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1G18s2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2M4078.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3Z39A.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Checks BIOS information in registry 2 TTPs 12 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\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2M4078.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1G18s2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2M4078.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3Z39A.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3Z39A.exe
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	1G18s2.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	1G18s2.exe

Executes dropped EXE 7 IoCs

pid	Process
4964	T5v89.exe
1688	1G18s2.exe
1508	skotes.exe
4916	2M4078.exe
2016	3Z39A.exe
2708	skotes.exe
3048	skotes.exe

Identifies Wine through registry keys 2 TTPs 6 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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	1G18s2.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	2M4078.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	3Z39A.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	skotes.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
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\\\""	T5v89.exe
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\\\""	1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
1688	1G18s2.exe
1508	skotes.exe
4916	2M4078.exe
2016	3Z39A.exe
2708	skotes.exe
3048	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	1G18s2.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 6 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	1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	T5v89.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1G18s2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2M4078.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3Z39A.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1688	1G18s2.exe
1688	1G18s2.exe
1508	skotes.exe
1508	skotes.exe
4916	2M4078.exe
4916	2M4078.exe
2016	3Z39A.exe
2016	3Z39A.exe
2708	skotes.exe
2708	skotes.exe
3048	skotes.exe
3048	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1688	1G18s2.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 4964	1480	1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe	83
PID 1480 wrote to memory of 4964	1480	1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe	83
PID 1480 wrote to memory of 4964	1480	1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe	83
PID 4964 wrote to memory of 1688	4964	T5v89.exe	84
PID 4964 wrote to memory of 1688	4964	T5v89.exe	84
PID 4964 wrote to memory of 1688	4964	T5v89.exe	84
PID 1688 wrote to memory of 1508	1688	1G18s2.exe	85
PID 1688 wrote to memory of 1508	1688	1G18s2.exe	85
PID 1688 wrote to memory of 1508	1688	1G18s2.exe	85
PID 4964 wrote to memory of 4916	4964	T5v89.exe	86
PID 4964 wrote to memory of 4916	4964	T5v89.exe	86
PID 4964 wrote to memory of 4916	4964	T5v89.exe	86
PID 1480 wrote to memory of 2016	1480	1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe	101
PID 1480 wrote to memory of 2016	1480	1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe	101
PID 1480 wrote to memory of 2016	1480	1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe	101

C:\Users\Admin\AppData\Local\Temp\1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe
"C:\Users\Admin\AppData\Local\Temp\1e4062e1c5d86c1bc855d10e16bf457c5fb5bddcb1ddc9093c0e0d8bc569b35e.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\T5v89.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\T5v89.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4964
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1G18s2.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1G18s2.exe
    3⤵
    - 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:1688
  - - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:1508
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2M4078.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2M4078.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:4916
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3Z39A.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3Z39A.exe
  2⤵
  - 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:2016

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:2708

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:3048

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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