amadey | b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	7ba304ea54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	7ba304ea54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	7ba304ea54.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	7ba304ea54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	7ba304ea54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	7ba304ea54.exe

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

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__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7ba304ea54.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	document.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	93a52a25e4.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	16aeeeaaca.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\SystemBiosVersion	document.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	93a52a25e4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7ba304ea54.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	document.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	16aeeeaaca.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	16aeeeaaca.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	93a52a25e4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7ba304ea54.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe

Executes dropped EXE 6 IoCs

pid	Process
2796	skotes.exe
3048	document.exe
1540	93a52a25e4.exe
2380	16aeeeaaca.exe
2488	skotes.exe
1708	7ba304ea54.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	document.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	93a52a25e4.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	16aeeeaaca.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	7ba304ea54.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe

Loads dropped DLL 8 IoCs

pid	Process
2224	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe
2796	skotes.exe
2796	skotes.exe
2796	skotes.exe
2796	skotes.exe
2796	skotes.exe
2796	skotes.exe
2796	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	7ba304ea54.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	7ba304ea54.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\7ba304ea54.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004752001\\7ba304ea54.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	document.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\93a52a25e4.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004749001\\93a52a25e4.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\16aeeeaaca.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004750001\\16aeeeaaca.exe"	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs

pid	Process
2224	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe
2796	skotes.exe
3048	document.exe
1540	93a52a25e4.exe
2380	16aeeeaaca.exe
2488	skotes.exe
1708	7ba304ea54.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2796 set thread context of 2488	2796	skotes.exe	37

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.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 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	93a52a25e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16aeeeaaca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ba304ea54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	document.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3048	document.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2224	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe
2796	skotes.exe
3048	document.exe
1540	93a52a25e4.exe
3048	document.exe
2380	16aeeeaaca.exe
2488	skotes.exe
1708	7ba304ea54.exe
1708	7ba304ea54.exe
1708	7ba304ea54.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	document.exe
Token: SeDebugPrivilege	1708	7ba304ea54.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2224	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3048	document.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2796	2224	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe	30
PID 2224 wrote to memory of 2796	2224	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe	30
PID 2224 wrote to memory of 2796	2224	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe	30
PID 2224 wrote to memory of 2796	2224	b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe	30
PID 2796 wrote to memory of 3048	2796	skotes.exe	33
PID 2796 wrote to memory of 3048	2796	skotes.exe	33
PID 2796 wrote to memory of 3048	2796	skotes.exe	33
PID 2796 wrote to memory of 3048	2796	skotes.exe	33
PID 2796 wrote to memory of 1540	2796	skotes.exe	34
PID 2796 wrote to memory of 1540	2796	skotes.exe	34
PID 2796 wrote to memory of 1540	2796	skotes.exe	34
PID 2796 wrote to memory of 1540	2796	skotes.exe	34
PID 2796 wrote to memory of 2380	2796	skotes.exe	36
PID 2796 wrote to memory of 2380	2796	skotes.exe	36
PID 2796 wrote to memory of 2380	2796	skotes.exe	36
PID 2796 wrote to memory of 2380	2796	skotes.exe	36
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 2488	2796	skotes.exe	37
PID 2796 wrote to memory of 1708	2796	skotes.exe	38
PID 2796 wrote to memory of 1708	2796	skotes.exe	38
PID 2796 wrote to memory of 1708	2796	skotes.exe	38
PID 2796 wrote to memory of 1708	2796	skotes.exe	38

C:\Users\Admin\AppData\Local\Temp\b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.exe
"C:\Users\Admin\AppData\Local\Temp\b6f12e1681c93ba7210b921f2c7b8ca2a0ef662b0545f60821e1ef7ccc13cd90.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:2224
- 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
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Users\Admin\AppData\Local\Temp\1004732001\document.exe
    "C:\Users\Admin\AppData\Local\Temp\1004732001\document.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - 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: AddClipboardFormatListener
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3048
- - C:\Users\Admin\AppData\Local\Temp\1004749001\93a52a25e4.exe
    "C:\Users\Admin\AppData\Local\Temp\1004749001\93a52a25e4.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:1540
- - C:\Users\Admin\AppData\Local\Temp\1004750001\16aeeeaaca.exe
    "C:\Users\Admin\AppData\Local\Temp\1004750001\16aeeeaaca.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:2380
- - 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:2488
- - C:\Users\Admin\AppData\Local\Temp\1004752001\7ba304ea54.exe
    "C:\Users\Admin\AppData\Local\Temp\1004752001\7ba304ea54.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:1708

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