amadey | abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	6e20f46978.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	6e20f46978.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	6e20f46978.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	6e20f46978.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	6e20f46978.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	6e20f46978.exe

Stealc
Stealc is an infostealer written in C++.
stealer 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__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	db859264a9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a8eeee2647.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6e20f46978.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\VideoBiosVersion	6e20f46978.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	db859264a9.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	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6e20f46978.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a8eeee2647.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	db859264a9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a8eeee2647.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	skotes.exe

Executes dropped EXE 8 IoCs

pid	Process
64	skotes.exe
4668	num.exe
3660	db859264a9.exe
2044	a8eeee2647.exe
4624	6e20f46978.exe
2704	skotes.exe
4984	skotes.exe
4780	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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	db859264a9.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	a8eeee2647.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	6e20f46978.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.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	6e20f46978.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	6e20f46978.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\num.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000336001\\num.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\db859264a9.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000349001\\db859264a9.exe"	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
4020	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
64	skotes.exe
3660	db859264a9.exe
2044	a8eeee2647.exe
4624	6e20f46978.exe
2704	skotes.exe
4984	skotes.exe
4780	skotes.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 64 set thread context of 2704	64	skotes.exe	109

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
1312	3660	WerFault.exe	97
3464	3660	WerFault.exe	97
4560	2704	WerFault.exe	109

System Location Discovery: System Language Discovery 1 TTPs 7 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	num.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db859264a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8eeee2647.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e20f46978.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4020	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
4020	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
64	skotes.exe
64	skotes.exe
3660	db859264a9.exe
3660	db859264a9.exe
2044	a8eeee2647.exe
2044	a8eeee2647.exe
4624	6e20f46978.exe
4624	6e20f46978.exe
4624	6e20f46978.exe
4624	6e20f46978.exe
2704	skotes.exe
2704	skotes.exe
4984	skotes.exe
4984	skotes.exe
4780	skotes.exe
4780	skotes.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4624	6e20f46978.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4020	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 64	4020	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe	87
PID 4020 wrote to memory of 64	4020	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe	87
PID 4020 wrote to memory of 64	4020	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe	87
PID 64 wrote to memory of 4668	64	skotes.exe	92
PID 64 wrote to memory of 4668	64	skotes.exe	92
PID 64 wrote to memory of 4668	64	skotes.exe	92
PID 64 wrote to memory of 3660	64	skotes.exe	97
PID 64 wrote to memory of 3660	64	skotes.exe	97
PID 64 wrote to memory of 3660	64	skotes.exe	97
PID 64 wrote to memory of 2044	64	skotes.exe	107
PID 64 wrote to memory of 2044	64	skotes.exe	107
PID 64 wrote to memory of 2044	64	skotes.exe	107
PID 64 wrote to memory of 4624	64	skotes.exe	108
PID 64 wrote to memory of 4624	64	skotes.exe	108
PID 64 wrote to memory of 4624	64	skotes.exe	108
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109
PID 64 wrote to memory of 2704	64	skotes.exe	109

C:\Users\Admin\AppData\Local\Temp\abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
"C:\Users\Admin\AppData\Local\Temp\abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.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:4020
- 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
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:64
- - C:\Users\Admin\AppData\Local\Temp\1000336001\num.exe
    "C:\Users\Admin\AppData\Local\Temp\1000336001\num.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4668
- - C:\Users\Admin\AppData\Local\Temp\1000349001\db859264a9.exe
    "C:\Users\Admin\AppData\Local\Temp\1000349001\db859264a9.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:3660
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 1528
      4⤵
      Program crash
      PID:1312
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 1536
      4⤵
      Program crash
      PID:3464
- - C:\Users\Admin\1000350002\a8eeee2647.exe
    "C:\Users\Admin\1000350002\a8eeee2647.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:2044
- - C:\Users\Admin\AppData\Local\Temp\1000357001\6e20f46978.exe
    "C:\Users\Admin\AppData\Local\Temp\1000357001\6e20f46978.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:4624
- - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:2704
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 1500
      4⤵
      Program crash
      PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3660 -ip 3660
1⤵
PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3660 -ip 3660
1⤵
PID:1088

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:4984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2704 -ip 2704
1⤵
PID:4304

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:4780

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