amadey | 7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	321fce0bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	321fce0bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	321fce0bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	321fce0bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	321fce0bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	321fce0bda.exe

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 8 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c754b8a0b0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e84ccf783b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	321fce0bda.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__	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Downloads MZ/PE file

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e84ccf783b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e84ccf783b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	321fce0bda.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	c754b8a0b0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c754b8a0b0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	321fce0bda.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	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	skotes.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe

Executes dropped EXE 7 IoCs

pid	Process
508	skotes.exe
4812	c754b8a0b0.exe
4564	e84ccf783b.exe
2884	321fce0bda.exe
2720	skotes.exe
1588	skotes.exe
4968	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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	c754b8a0b0.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	e84ccf783b.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	321fce0bda.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	skotes.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	321fce0bda.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	321fce0bda.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\321fce0bda.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004510001\\321fce0bda.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c754b8a0b0.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004507001\\c754b8a0b0.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e84ccf783b.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004508001\\e84ccf783b.exe"	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
4912	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe
508	skotes.exe
4812	c754b8a0b0.exe
4564	e84ccf783b.exe
2884	321fce0bda.exe
2720	skotes.exe
1588	skotes.exe
4968	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4988	4812	WerFault.exe	91

System Location Discovery: System Language Discovery 1 TTPs 5 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	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c754b8a0b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e84ccf783b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	321fce0bda.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4912	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe
4912	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe
508	skotes.exe
508	skotes.exe
4812	c754b8a0b0.exe
4812	c754b8a0b0.exe
4564	e84ccf783b.exe
4564	e84ccf783b.exe
2884	321fce0bda.exe
2884	321fce0bda.exe
2884	321fce0bda.exe
2884	321fce0bda.exe
2720	skotes.exe
2720	skotes.exe
1588	skotes.exe
1588	skotes.exe
4968	skotes.exe
4968	skotes.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2884	321fce0bda.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4912	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 508	4912	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe	86
PID 4912 wrote to memory of 508	4912	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe	86
PID 4912 wrote to memory of 508	4912	7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe	86
PID 508 wrote to memory of 4812	508	skotes.exe	91
PID 508 wrote to memory of 4812	508	skotes.exe	91
PID 508 wrote to memory of 4812	508	skotes.exe	91
PID 508 wrote to memory of 4564	508	skotes.exe	99
PID 508 wrote to memory of 4564	508	skotes.exe	99
PID 508 wrote to memory of 4564	508	skotes.exe	99
PID 508 wrote to memory of 3772	508	skotes.exe	104
PID 508 wrote to memory of 3772	508	skotes.exe	104
PID 508 wrote to memory of 3772	508	skotes.exe	104
PID 508 wrote to memory of 2884	508	skotes.exe	105
PID 508 wrote to memory of 2884	508	skotes.exe	105
PID 508 wrote to memory of 2884	508	skotes.exe	105

C:\Users\Admin\AppData\Local\Temp\7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe
"C:\Users\Admin\AppData\Local\Temp\7a5647d5562383eed1c0fedaca9e020217ce144693197aa9e2188036d20fd8a3.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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:4912
- 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
  - Checks computer location settings
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:508
- - C:\Users\Admin\AppData\Local\Temp\1004507001\c754b8a0b0.exe
    "C:\Users\Admin\AppData\Local\Temp\1004507001\c754b8a0b0.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:4812
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1464
      4⤵
      Program crash
      PID:4988
- - C:\Users\Admin\AppData\Local\Temp\1004508001\e84ccf783b.exe
    "C:\Users\Admin\AppData\Local\Temp\1004508001\e84ccf783b.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:4564
- - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
    3⤵
    PID:3772
- - C:\Users\Admin\AppData\Local\Temp\1004510001\321fce0bda.exe
    "C:\Users\Admin\AppData\Local\Temp\1004510001\321fce0bda.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:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4812 -ip 4812
1⤵
PID:1240

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:2720

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:1588

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:4968

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

T1562.001

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion