amadey | ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe

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\DisableIOAVProtection = "1"	e629e58cca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	e629e58cca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	e629e58cca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	e629e58cca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	e629e58cca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	e629e58cca.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__	a73841f3a1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	69787fbc9d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	29e077f0bd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e629e58cca.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a921175266.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	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a921175266.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a73841f3a1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a73841f3a1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	69787fbc9d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	29e077f0bd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e629e58cca.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a921175266.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	69787fbc9d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	29e077f0bd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e629e58cca.exe

Executes dropped EXE 7 IoCs

pid	Process
2408	skotes.exe
2336	69787fbc9d.exe
1312	29e077f0bd.exe
1532	skotes.exe
2764	e629e58cca.exe
2724	a921175266.exe
1704	a73841f3a1.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	29e077f0bd.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	e629e58cca.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	a921175266.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	a73841f3a1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	69787fbc9d.exe

Loads dropped DLL 11 IoCs

pid	Process
2908	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe
2408	skotes.exe
2408	skotes.exe
2408	skotes.exe
2408	skotes.exe
2408	skotes.exe
2408	skotes.exe
2408	skotes.exe
2408	skotes.exe
2408	skotes.exe
2408	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	e629e58cca.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	e629e58cca.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\69787fbc9d.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004334001\\69787fbc9d.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\29e077f0bd.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004335001\\29e077f0bd.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\e629e58cca.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1004337001\\e629e58cca.exe"	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
2908	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe
2408	skotes.exe
2336	69787fbc9d.exe
1312	29e077f0bd.exe
1532	skotes.exe
2764	e629e58cca.exe
2724	a921175266.exe
1704	a73841f3a1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2408 set thread context of 1532	2408	skotes.exe	35

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.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 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	a73841f3a1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	69787fbc9d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	29e077f0bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e629e58cca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a921175266.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2908	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe
2408	skotes.exe
2336	69787fbc9d.exe
1312	29e077f0bd.exe
1532	skotes.exe
2764	e629e58cca.exe
2724	a921175266.exe
2764	e629e58cca.exe
2764	e629e58cca.exe
1704	a73841f3a1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	e629e58cca.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2908	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2408	2908	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe	28
PID 2908 wrote to memory of 2408	2908	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe	28
PID 2908 wrote to memory of 2408	2908	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe	28
PID 2908 wrote to memory of 2408	2908	ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe	28
PID 2408 wrote to memory of 2336	2408	skotes.exe	32
PID 2408 wrote to memory of 2336	2408	skotes.exe	32
PID 2408 wrote to memory of 2336	2408	skotes.exe	32
PID 2408 wrote to memory of 2336	2408	skotes.exe	32
PID 2408 wrote to memory of 1312	2408	skotes.exe	34
PID 2408 wrote to memory of 1312	2408	skotes.exe	34
PID 2408 wrote to memory of 1312	2408	skotes.exe	34
PID 2408 wrote to memory of 1312	2408	skotes.exe	34
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 1532	2408	skotes.exe	35
PID 2408 wrote to memory of 2764	2408	skotes.exe	36
PID 2408 wrote to memory of 2764	2408	skotes.exe	36
PID 2408 wrote to memory of 2764	2408	skotes.exe	36
PID 2408 wrote to memory of 2764	2408	skotes.exe	36
PID 2408 wrote to memory of 2724	2408	skotes.exe	37
PID 2408 wrote to memory of 2724	2408	skotes.exe	37
PID 2408 wrote to memory of 2724	2408	skotes.exe	37
PID 2408 wrote to memory of 2724	2408	skotes.exe	37
PID 2408 wrote to memory of 1704	2408	skotes.exe	38
PID 2408 wrote to memory of 1704	2408	skotes.exe	38
PID 2408 wrote to memory of 1704	2408	skotes.exe	38
PID 2408 wrote to memory of 1704	2408	skotes.exe	38

C:\Users\Admin\AppData\Local\Temp\ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.exe
"C:\Users\Admin\AppData\Local\Temp\ffc2b8887d1b24795f31c712bb1392822abeb13f20cc3595f73cbf14c6190dfe.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:2908
- 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:2408
- - C:\Users\Admin\AppData\Local\Temp\1004334001\69787fbc9d.exe
    "C:\Users\Admin\AppData\Local\Temp\1004334001\69787fbc9d.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:2336
- - C:\Users\Admin\AppData\Local\Temp\1004335001\29e077f0bd.exe
    "C:\Users\Admin\AppData\Local\Temp\1004335001\29e077f0bd.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:1312
- - 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:1532
- - C:\Users\Admin\AppData\Local\Temp\1004337001\e629e58cca.exe
    "C:\Users\Admin\AppData\Local\Temp\1004337001\e629e58cca.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:2764
- - C:\Users\Admin\AppData\Local\Temp\1004338001\a921175266.exe
    "C:\Users\Admin\AppData\Local\Temp\1004338001\a921175266.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:2724
- - C:\Users\Admin\AppData\Local\Temp\1004339001\a73841f3a1.exe
    "C:\Users\Admin\AppData\Local\Temp\1004339001\a73841f3a1.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:1704

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