amadey | abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	79ce988bf0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	79ce988bf0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	79ce988bf0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	79ce988bf0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	79ce988bf0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	79ce988bf0.exe

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
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__	7e2bf2f741.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	64e9439fae.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	79ce988bf0.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 10 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	79ce988bf0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	64e9439fae.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.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	7e2bf2f741.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7e2bf2f741.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	64e9439fae.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	79ce988bf0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe

Executes dropped EXE 5 IoCs

pid	Process
2204	skotes.exe
2592	num.exe
2432	7e2bf2f741.exe
1684	64e9439fae.exe
1680	79ce988bf0.exe

Identifies Wine through registry keys 2 TTPs 5 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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	79ce988bf0.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	7e2bf2f741.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	64e9439fae.exe

Loads dropped DLL 9 IoCs

pid	Process
2068	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
2204	skotes.exe
2204	skotes.exe
2204	skotes.exe
2204	skotes.exe
2204	skotes.exe
2204	skotes.exe
2204	skotes.exe
2204	skotes.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	79ce988bf0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	79ce988bf0.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\num.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000336001\\num.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\7e2bf2f741.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000349001\\7e2bf2f741.exe"	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2068	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
2204	skotes.exe
2432	7e2bf2f741.exe
1684	64e9439fae.exe
1680	79ce988bf0.exe

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 1 IoCs

pid	pid_target	Process	procid_target
2472	2432	WerFault.exe	34

System Location Discovery: System Language Discovery 1 TTPs 6 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	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	num.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7e2bf2f741.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	64e9439fae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	79ce988bf0.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	7e2bf2f741.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	7e2bf2f741.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	7e2bf2f741.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2068	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe
2204	skotes.exe
2432	7e2bf2f741.exe
1684	64e9439fae.exe
1680	79ce988bf0.exe
1680	79ce988bf0.exe
1680	79ce988bf0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	79ce988bf0.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2068	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2204	2068	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe	30
PID 2068 wrote to memory of 2204	2068	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe	30
PID 2068 wrote to memory of 2204	2068	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe	30
PID 2068 wrote to memory of 2204	2068	abb6212839b5a4c399bd374565944abce35daa26c3b40941100c119cdc510966N.exe	30
PID 2204 wrote to memory of 2592	2204	skotes.exe	32
PID 2204 wrote to memory of 2592	2204	skotes.exe	32
PID 2204 wrote to memory of 2592	2204	skotes.exe	32
PID 2204 wrote to memory of 2592	2204	skotes.exe	32
PID 2204 wrote to memory of 2432	2204	skotes.exe	34
PID 2204 wrote to memory of 2432	2204	skotes.exe	34
PID 2204 wrote to memory of 2432	2204	skotes.exe	34
PID 2204 wrote to memory of 2432	2204	skotes.exe	34
PID 2204 wrote to memory of 1684	2204	skotes.exe	35
PID 2204 wrote to memory of 1684	2204	skotes.exe	35
PID 2204 wrote to memory of 1684	2204	skotes.exe	35
PID 2204 wrote to memory of 1684	2204	skotes.exe	35
PID 2204 wrote to memory of 1680	2204	skotes.exe	38
PID 2204 wrote to memory of 1680	2204	skotes.exe	38
PID 2204 wrote to memory of 1680	2204	skotes.exe	38
PID 2204 wrote to memory of 1680	2204	skotes.exe	38
PID 2204 wrote to memory of 2072	2204	skotes.exe	39
PID 2204 wrote to memory of 2072	2204	skotes.exe	39
PID 2204 wrote to memory of 2072	2204	skotes.exe	39
PID 2204 wrote to memory of 2072	2204	skotes.exe	39

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
- 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:2068
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2204
- - 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:2592
- - C:\Users\Admin\AppData\Local\Temp\1000349001\7e2bf2f741.exe
    "C:\Users\Admin\AppData\Local\Temp\1000349001\7e2bf2f741.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
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    PID:2432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 1272
      4⤵
      Program crash
      PID:2472
- - C:\Users\Admin\1000350002\64e9439fae.exe
    "C:\Users\Admin\1000350002\64e9439fae.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:1684
- - C:\Users\Admin\AppData\Local\Temp\1000357001\79ce988bf0.exe
    "C:\Users\Admin\AppData\Local\Temp\1000357001\79ce988bf0.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:1680
- - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
    3⤵
    PID:2072

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

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion