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	f5995cd002.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	f5995cd002.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	f5995cd002.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	f5995cd002.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	f5995cd002.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	f5995cd002.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 7 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ef34380367.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5c0ba365fb.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f5995cd002.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 14 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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f5995cd002.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	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5c0ba365fb.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	ef34380367.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ef34380367.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5c0ba365fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f5995cd002.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	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	skotes.exe

Executes dropped EXE 10 IoCs

pid	Process
440	skotes.exe
520	sxqnmytm.exe
2736	sxqnmytm.exe
4136	ef34380367.exe
3124	5c0ba365fb.exe
3612	f5995cd002.exe
1360	ActiveISO.exe
4740	ActiveISO.exe
2608	skotes.exe
1328	skotes.exe

Identifies Wine through registry keys 2 TTPs 7 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	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	ef34380367.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	5c0ba365fb.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	f5995cd002.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	file.exe

Loads dropped DLL 23 IoCs

pid	Process
2736	sxqnmytm.exe
1360	ActiveISO.exe
1360	ActiveISO.exe
1360	ActiveISO.exe
1360	ActiveISO.exe
1360	ActiveISO.exe
1360	ActiveISO.exe
1360	ActiveISO.exe
1360	ActiveISO.exe
1360	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
1592	DriverProtectv1.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	f5995cd002.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	f5995cd002.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\ef34380367.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004385001\\ef34380367.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5c0ba365fb.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004386001\\5c0ba365fb.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f5995cd002.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004388001\\f5995cd002.exe"	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs

pid	Process
2128	file.exe
440	skotes.exe
4136	ef34380367.exe
3124	5c0ba365fb.exe
3612	f5995cd002.exe
2608	skotes.exe
1328	skotes.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 2344	4740	ActiveISO.exe	118

Drops file in Windows directory 1 IoCs

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

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4024	4136	WerFault.exe	101
2812	4136	WerFault.exe	101

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sxqnmytm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef34380367.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5c0ba365fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5995cd002.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sxqnmytm.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2128	file.exe
2128	file.exe
440	skotes.exe
440	skotes.exe
4136	ef34380367.exe
4136	ef34380367.exe
3124	5c0ba365fb.exe
3124	5c0ba365fb.exe
3612	f5995cd002.exe
3612	f5995cd002.exe
3612	f5995cd002.exe
3612	f5995cd002.exe
1360	ActiveISO.exe
2608	skotes.exe
2608	skotes.exe
4740	ActiveISO.exe
4740	ActiveISO.exe
2344	cmd.exe
2344	cmd.exe
1328	skotes.exe
1328	skotes.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4740	ActiveISO.exe
2344	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	f5995cd002.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2128	file.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 440	2128	file.exe	86
PID 2128 wrote to memory of 440	2128	file.exe	86
PID 2128 wrote to memory of 440	2128	file.exe	86
PID 440 wrote to memory of 520	440	skotes.exe	99
PID 440 wrote to memory of 520	440	skotes.exe	99
PID 440 wrote to memory of 520	440	skotes.exe	99
PID 520 wrote to memory of 2736	520	sxqnmytm.exe	100
PID 520 wrote to memory of 2736	520	sxqnmytm.exe	100
PID 520 wrote to memory of 2736	520	sxqnmytm.exe	100
PID 440 wrote to memory of 4136	440	skotes.exe	101
PID 440 wrote to memory of 4136	440	skotes.exe	101
PID 440 wrote to memory of 4136	440	skotes.exe	101
PID 440 wrote to memory of 3124	440	skotes.exe	109
PID 440 wrote to memory of 3124	440	skotes.exe	109
PID 440 wrote to memory of 3124	440	skotes.exe	109
PID 440 wrote to memory of 1400	440	skotes.exe	110
PID 440 wrote to memory of 1400	440	skotes.exe	110
PID 440 wrote to memory of 1400	440	skotes.exe	110
PID 440 wrote to memory of 3612	440	skotes.exe	113
PID 440 wrote to memory of 3612	440	skotes.exe	113
PID 440 wrote to memory of 3612	440	skotes.exe	113
PID 2736 wrote to memory of 1360	2736	sxqnmytm.exe	115
PID 2736 wrote to memory of 1360	2736	sxqnmytm.exe	115
PID 1360 wrote to memory of 4740	1360	ActiveISO.exe	116
PID 1360 wrote to memory of 4740	1360	ActiveISO.exe	116
PID 4740 wrote to memory of 2344	4740	ActiveISO.exe	118
PID 4740 wrote to memory of 2344	4740	ActiveISO.exe	118
PID 4740 wrote to memory of 2344	4740	ActiveISO.exe	118
PID 4740 wrote to memory of 2344	4740	ActiveISO.exe	118
PID 2344 wrote to memory of 1592	2344	cmd.exe	124
PID 2344 wrote to memory of 1592	2344	cmd.exe	124
PID 2344 wrote to memory of 1592	2344	cmd.exe	124
PID 2344 wrote to memory of 1592	2344	cmd.exe	124

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:2128
- 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:440
- - C:\Users\Admin\AppData\Local\Temp\1004354001\sxqnmytm.exe
    "C:\Users\Admin\AppData\Local\Temp\1004354001\sxqnmytm.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:520
  - - C:\Windows\Temp\{FF3BF2BD-546B-43EF-9066-3D8FCB362AC2}\.cr\sxqnmytm.exe
      "C:\Windows\Temp\{FF3BF2BD-546B-43EF-9066-3D8FCB362AC2}\.cr\sxqnmytm.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\1004354001\sxqnmytm.exe" -burn.filehandle.attached=532 -burn.filehandle.self=544
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2736
    - - C:\Windows\Temp\{CB94B35F-F1E4-4775-B666-D5E04BC965BC}\.ba\ActiveISO.exe
        
        "C:\Windows\Temp\{CB94B35F-F1E4-4775-B666-D5E04BC965BC}\.ba\ActiveISO.exe"
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1360
      - C:\Users\Admin\AppData\Roaming\remoteFastzq5\ActiveISO.exe
        
        C:\Users\Admin\AppData\Roaming\remoteFastzq5\ActiveISO.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:4740
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\SysWOW64\cmd.exe
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of WriteProcessMemory
        
        PID:2344
        
        C:\Users\Admin\AppData\Local\Temp\DriverProtectv1.exe
        
        C:\Users\Admin\AppData\Local\Temp\DriverProtectv1.exe
        8⤵
        Loads dropped DLL
        
        PID:1592
- - C:\Users\Admin\AppData\Local\Temp\1004385001\ef34380367.exe
    "C:\Users\Admin\AppData\Local\Temp\1004385001\ef34380367.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:4136
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 1496
      4⤵
      Program crash
      PID:2812
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 1484
      4⤵
      Program crash
      PID:4024
- - C:\Users\Admin\AppData\Local\Temp\1004386001\5c0ba365fb.exe
    "C:\Users\Admin\AppData\Local\Temp\1004386001\5c0ba365fb.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:3124
- - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
    3⤵
    PID:1400
- - C:\Users\Admin\AppData\Local\Temp\1004388001\f5995cd002.exe
    "C:\Users\Admin\AppData\Local\Temp\1004388001\f5995cd002.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:3612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4136 -ip 4136
1⤵
PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4136 -ip 4136
1⤵
PID:540

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:2608

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:1328

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