amadey | 26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e

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\DisableRealtimeMonitoring = "1"	9937eb4bcc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	9937eb4bcc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	9937eb4bcc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	9937eb4bcc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	9937eb4bcc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	9937eb4bcc.exe

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

Enumerates VirtualBox registry keys 2 TTPs 1 IoCs

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	5d97d3f894.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 8 IoCs

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4e4f02fe4a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5d97d3f894.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rhnew.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e32a7e0238.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	120b72216e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9937eb4bcc.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	rhnew.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9937eb4bcc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5d97d3f894.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rhnew.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4e4f02fe4a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e32a7e0238.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9937eb4bcc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5d97d3f894.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4e4f02fe4a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e32a7e0238.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	120b72216e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	120b72216e.exe

Executes dropped EXE 11 IoCs

pid	Process
1836	skotes.exe
1100	i1A5m12.exe
2428	i1A5m12.tmp
1140	rafencoder.exe
1240	4e4f02fe4a.exe
2940	5d97d3f894.exe
1820	rhnew.exe
2380	e32a7e0238.exe
1948	120b72216e.exe
1376	3ad3233212.exe
2024	9937eb4bcc.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.

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	4e4f02fe4a.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	5d97d3f894.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	rhnew.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	e32a7e0238.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	120b72216e.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	9937eb4bcc.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	skotes.exe

Loads dropped DLL 18 IoCs

pid	Process
2388	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
2388	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
1836	skotes.exe
1100	i1A5m12.exe
2428	i1A5m12.tmp
2428	i1A5m12.tmp
2428	i1A5m12.tmp
2428	i1A5m12.tmp
1140	rafencoder.exe
1836	skotes.exe
1836	skotes.exe
1836	skotes.exe
1836	skotes.exe
1836	skotes.exe
1836	skotes.exe
1836	skotes.exe
1836	skotes.exe
1836	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	9937eb4bcc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	9937eb4bcc.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\3ad3233212.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1012394001\\3ad3233212.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\9937eb4bcc.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1012395001\\9937eb4bcc.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\e32a7e0238.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1012392001\\e32a7e0238.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\120b72216e.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1012393001\\120b72216e.exe"	skotes.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0005000000019d20-210.dat	autoit_exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

pid	Process
2388	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
1836	skotes.exe
1240	4e4f02fe4a.exe
2940	5d97d3f894.exe
1820	rhnew.exe
2380	e32a7e0238.exe
1948	120b72216e.exe
2024	9937eb4bcc.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.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 21 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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i1A5m12.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e4f02fe4a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d97d3f894.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	i1A5m12.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rafencoder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e32a7e0238.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	120b72216e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language	3ad3233212.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Nls\Language\InstallLanguage	3ad3233212.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rhnew.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9937eb4bcc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3ad3233212.exe

Checks processor information in registry 2 TTPs 6 IoCs

Processor 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\CentralProcessor\0\Update Signature	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\CurrentPatchLevel	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe

Kills process with taskkill 5 IoCs

pid	Process
2180	taskkill.exe
2540	taskkill.exe
2108	taskkill.exe
2976	taskkill.exe
1536	taskkill.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	firefox.exe

Modifies system certificate store 2 TTPs 5 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	rhnew.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	rhnew.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	rhnew.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	e32a7e0238.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	e32a7e0238.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2388	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
1836	skotes.exe
2428	i1A5m12.tmp
2428	i1A5m12.tmp
1240	4e4f02fe4a.exe
2940	5d97d3f894.exe
2940	5d97d3f894.exe
2940	5d97d3f894.exe
2940	5d97d3f894.exe
2940	5d97d3f894.exe
2940	5d97d3f894.exe
1820	rhnew.exe
2380	e32a7e0238.exe
1948	120b72216e.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
2024	9937eb4bcc.exe
2024	9937eb4bcc.exe
2024	9937eb4bcc.exe
2024	9937eb4bcc.exe
2024	9937eb4bcc.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	taskkill.exe
Token: SeDebugPrivilege	2540	taskkill.exe
Token: SeDebugPrivilege	2108	taskkill.exe
Token: SeDebugPrivilege	2976	taskkill.exe
Token: SeDebugPrivilege	1536	taskkill.exe
Token: SeDebugPrivilege	1748	firefox.exe
Token: SeDebugPrivilege	1748	firefox.exe
Token: SeDebugPrivilege	2024	9937eb4bcc.exe

Suspicious use of FindShellTrayWindow 16 IoCs

pid	Process
2388	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
2428	i1A5m12.tmp
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1748	firefox.exe
1748	firefox.exe
1748	firefox.exe
1748	firefox.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe

Suspicious use of SendNotifyMessage 13 IoCs

pid	Process
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1748	firefox.exe
1748	firefox.exe
1748	firefox.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe
1376	3ad3233212.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1836	2388	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe	30
PID 2388 wrote to memory of 1836	2388	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe	30
PID 2388 wrote to memory of 1836	2388	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe	30
PID 2388 wrote to memory of 1836	2388	26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe	30
PID 1836 wrote to memory of 1100	1836	skotes.exe	33
PID 1836 wrote to memory of 1100	1836	skotes.exe	33
PID 1836 wrote to memory of 1100	1836	skotes.exe	33
PID 1836 wrote to memory of 1100	1836	skotes.exe	33
PID 1836 wrote to memory of 1100	1836	skotes.exe	33
PID 1836 wrote to memory of 1100	1836	skotes.exe	33
PID 1836 wrote to memory of 1100	1836	skotes.exe	33
PID 1100 wrote to memory of 2428	1100	i1A5m12.exe	34
PID 1100 wrote to memory of 2428	1100	i1A5m12.exe	34
PID 1100 wrote to memory of 2428	1100	i1A5m12.exe	34
PID 1100 wrote to memory of 2428	1100	i1A5m12.exe	34
PID 1100 wrote to memory of 2428	1100	i1A5m12.exe	34
PID 1100 wrote to memory of 2428	1100	i1A5m12.exe	34
PID 1100 wrote to memory of 2428	1100	i1A5m12.exe	34
PID 2428 wrote to memory of 1680	2428	i1A5m12.tmp	35
PID 2428 wrote to memory of 1680	2428	i1A5m12.tmp	35
PID 2428 wrote to memory of 1680	2428	i1A5m12.tmp	35
PID 2428 wrote to memory of 1680	2428	i1A5m12.tmp	35
PID 2428 wrote to memory of 1140	2428	i1A5m12.tmp	37
PID 2428 wrote to memory of 1140	2428	i1A5m12.tmp	37
PID 2428 wrote to memory of 1140	2428	i1A5m12.tmp	37
PID 2428 wrote to memory of 1140	2428	i1A5m12.tmp	37
PID 1680 wrote to memory of 896	1680	net.exe	38
PID 1680 wrote to memory of 896	1680	net.exe	38
PID 1680 wrote to memory of 896	1680	net.exe	38
PID 1680 wrote to memory of 896	1680	net.exe	38
PID 1836 wrote to memory of 1240	1836	skotes.exe	39
PID 1836 wrote to memory of 1240	1836	skotes.exe	39
PID 1836 wrote to memory of 1240	1836	skotes.exe	39
PID 1836 wrote to memory of 1240	1836	skotes.exe	39
PID 1836 wrote to memory of 2940	1836	skotes.exe	40
PID 1836 wrote to memory of 2940	1836	skotes.exe	40
PID 1836 wrote to memory of 2940	1836	skotes.exe	40
PID 1836 wrote to memory of 2940	1836	skotes.exe	40
PID 1836 wrote to memory of 1820	1836	skotes.exe	42
PID 1836 wrote to memory of 1820	1836	skotes.exe	42
PID 1836 wrote to memory of 1820	1836	skotes.exe	42
PID 1836 wrote to memory of 1820	1836	skotes.exe	42
PID 1836 wrote to memory of 2380	1836	skotes.exe	43
PID 1836 wrote to memory of 2380	1836	skotes.exe	43
PID 1836 wrote to memory of 2380	1836	skotes.exe	43
PID 1836 wrote to memory of 2380	1836	skotes.exe	43
PID 1836 wrote to memory of 1948	1836	skotes.exe	44
PID 1836 wrote to memory of 1948	1836	skotes.exe	44
PID 1836 wrote to memory of 1948	1836	skotes.exe	44
PID 1836 wrote to memory of 1948	1836	skotes.exe	44
PID 1836 wrote to memory of 1376	1836	skotes.exe	45
PID 1836 wrote to memory of 1376	1836	skotes.exe	45
PID 1836 wrote to memory of 1376	1836	skotes.exe	45
PID 1836 wrote to memory of 1376	1836	skotes.exe	45
PID 1376 wrote to memory of 2180	1376	3ad3233212.exe	46
PID 1376 wrote to memory of 2180	1376	3ad3233212.exe	46
PID 1376 wrote to memory of 2180	1376	3ad3233212.exe	46
PID 1376 wrote to memory of 2180	1376	3ad3233212.exe	46
PID 1376 wrote to memory of 2540	1376	3ad3233212.exe	49
PID 1376 wrote to memory of 2540	1376	3ad3233212.exe	49
PID 1376 wrote to memory of 2540	1376	3ad3233212.exe	49
PID 1376 wrote to memory of 2540	1376	3ad3233212.exe	49
PID 1376 wrote to memory of 2108	1376	3ad3233212.exe	51
PID 1376 wrote to memory of 2108	1376	3ad3233212.exe	51

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.exe
"C:\Users\Admin\AppData\Local\Temp\26f67d682cbc909491170ef1b76060ab895bd29546b18976c803ef5b2b65ab5e.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:2388
- 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:1836
- - C:\Users\Admin\AppData\Local\Temp\1012382001\i1A5m12.exe
    "C:\Users\Admin\AppData\Local\Temp\1012382001\i1A5m12.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1100
  - - C:\Users\Admin\AppData\Local\Temp\is-798A2.tmp\i1A5m12.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-798A2.tmp\i1A5m12.tmp" /SL5="$801B0,3291517,54272,C:\Users\Admin\AppData\Local\Temp\1012382001\i1A5m12.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2428
    - - C:\Windows\SysWOW64\net.exe
        
        "C:\Windows\system32\net.exe" pause raf_encoder_1252
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1680
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 pause raf_encoder_1252
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:896
    - - C:\Users\Admin\AppData\Local\RAF Encoder 1.0.1.55\rafencoder.exe
        
        "C:\Users\Admin\AppData\Local\RAF Encoder 1.0.1.55\rafencoder.exe" -i
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        
        PID:1140
- - C:\Users\Admin\AppData\Local\Temp\1012389001\4e4f02fe4a.exe
    "C:\Users\Admin\AppData\Local\Temp\1012389001\4e4f02fe4a.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:1240
- - C:\Users\Admin\AppData\Local\Temp\1012390001\5d97d3f894.exe
    "C:\Users\Admin\AppData\Local\Temp\1012390001\5d97d3f894.exe"
    3⤵
    - Enumerates VirtualBox registry keys
    - 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:2940
- - C:\Users\Admin\AppData\Local\Temp\1012391001\rhnew.exe
    "C:\Users\Admin\AppData\Local\Temp\1012391001\rhnew.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:1820
- - C:\Users\Admin\AppData\Local\Temp\1012392001\e32a7e0238.exe
    "C:\Users\Admin\AppData\Local\Temp\1012392001\e32a7e0238.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:2380
- - C:\Users\Admin\AppData\Local\Temp\1012393001\120b72216e.exe
    "C:\Users\Admin\AppData\Local\Temp\1012393001\120b72216e.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:1948
- - C:\Users\Admin\AppData\Local\Temp\1012394001\3ad3233212.exe
    "C:\Users\Admin\AppData\Local\Temp\1012394001\3ad3233212.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:1376
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM firefox.exe /T
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2180
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM chrome.exe /T
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2540
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM msedge.exe /T
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2108
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM opera.exe /T
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2976
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM brave.exe /T
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1536
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk "https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd" --no-default-browser-check --disable-popup-blocking
      4⤵
      PID:2564
    - - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd --no-default-browser-check --disable-popup-blocking
        5⤵
        Checks processor information in registry
        Modifies registry class
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        
        PID:1748
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1748.0.827666947\53867841" -parentBuildID 20221007134813 -prefsHandle 1216 -prefMapHandle 1208 -prefsLen 20847 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6cad85ab-12fd-4365-bc96-b9a936acd9db} 1748 "\\.\pipe\gecko-crash-server-pipe.1748" 1280 11fd6a58 gpu
        6⤵
        
        PID:1708
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1748.1.1045470954\2084544752" -parentBuildID 20221007134813 -prefsHandle 1484 -prefMapHandle 1480 -prefsLen 21708 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {47a49b2a-8611-4741-8b43-443b6f2eb828} 1748 "\\.\pipe\gecko-crash-server-pipe.1748" 1496 d73f58 socket
        6⤵
        
        PID:620
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1748.2.1015162359\733818038" -childID 1 -isForBrowser -prefsHandle 2088 -prefMapHandle 2084 -prefsLen 21746 -prefMapSize 233444 -jsInitHandle 832 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {0202f5ac-18b6-42e1-9c7c-e2de6905f963} 1748 "\\.\pipe\gecko-crash-server-pipe.1748" 2100 11f59a58 tab
        6⤵
        
        PID:1612
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1748.3.1404046142\1357537124" -childID 2 -isForBrowser -prefsHandle 2916 -prefMapHandle 2912 -prefsLen 26216 -prefMapSize 233444 -jsInitHandle 832 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6e999f56-4b96-41bc-b355-8cb33d48bff0} 1748 "\\.\pipe\gecko-crash-server-pipe.1748" 2928 d63f58 tab
        6⤵
        
        PID:1028
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1748.4.1110477488\1036624230" -childID 3 -isForBrowser -prefsHandle 3772 -prefMapHandle 3624 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 832 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a3db7238-a968-4c69-add4-59d9c6957424} 1748 "\\.\pipe\gecko-crash-server-pipe.1748" 3784 1f304d58 tab
        6⤵
        
        PID:3524
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1748.5.171469478\1736902993" -childID 4 -isForBrowser -prefsHandle 3952 -prefMapHandle 3956 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 832 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a57dc01e-ed1c-48dd-9436-2517b06bfc2b} 1748 "\\.\pipe\gecko-crash-server-pipe.1748" 3940 1dcdd458 tab
        6⤵
        
        PID:3560
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1748.6.104450887\226379941" -childID 5 -isForBrowser -prefsHandle 4136 -prefMapHandle 4140 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 832 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {9b00095b-98ed-4bf3-840d-5a836b452166} 1748 "\\.\pipe\gecko-crash-server-pipe.1748" 4124 1dcdf558 tab
        6⤵
        
        PID:3584
- - C:\Users\Admin\AppData\Local\Temp\1012395001\9937eb4bcc.exe
    "C:\Users\Admin\AppData\Local\Temp\1012395001\9937eb4bcc.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:2024

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