amadey | 2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3fb721a885.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d449487256.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	41cd696d48.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3fb721a885.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d449487256.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\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	41cd696d48.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3fb721a885.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	41cd696d48.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d449487256.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	skotes.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe

Executes dropped EXE 8 IoCs

pid	Process
508	skotes.exe
3424	skotes.exe
2672	41cd696d48.exe
2880	vg9qcBa.exe
2216	vg9qcBa.exe
3260	skotes.exe
4488	3fb721a885.exe
2008	d449487256.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	41cd696d48.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	3fb721a885.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	d449487256.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3fb721a885.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1009243001\\3fb721a885.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d449487256.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1009244001\\d449487256.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 7 IoCs

pid	Process
4016	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe
508	skotes.exe
3424	skotes.exe
2672	41cd696d48.exe
3260	skotes.exe
4488	3fb721a885.exe
2008	d449487256.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 2216	2880	vg9qcBa.exe	96

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.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	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	41cd696d48.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vg9qcBa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vg9qcBa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3fb721a885.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d449487256.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.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	41cd696d48.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	41cd696d48.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
4016	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe
4016	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe
508	skotes.exe
508	skotes.exe
3424	skotes.exe
3424	skotes.exe
2672	41cd696d48.exe
2672	41cd696d48.exe
3260	skotes.exe
3260	skotes.exe
4488	3fb721a885.exe
4488	3fb721a885.exe
2008	d449487256.exe
2008	d449487256.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4016	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 508	4016	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe	82
PID 4016 wrote to memory of 508	4016	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe	82
PID 4016 wrote to memory of 508	4016	2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe	82
PID 508 wrote to memory of 2672	508	skotes.exe	93
PID 508 wrote to memory of 2672	508	skotes.exe	93
PID 508 wrote to memory of 2672	508	skotes.exe	93
PID 508 wrote to memory of 2880	508	skotes.exe	94
PID 508 wrote to memory of 2880	508	skotes.exe	94
PID 508 wrote to memory of 2880	508	skotes.exe	94
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 2880 wrote to memory of 2216	2880	vg9qcBa.exe	96
PID 508 wrote to memory of 4488	508	skotes.exe	98
PID 508 wrote to memory of 4488	508	skotes.exe	98
PID 508 wrote to memory of 4488	508	skotes.exe	98
PID 508 wrote to memory of 2008	508	skotes.exe	99
PID 508 wrote to memory of 2008	508	skotes.exe	99
PID 508 wrote to memory of 2008	508	skotes.exe	99

C:\Users\Admin\AppData\Local\Temp\2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe
"C:\Users\Admin\AppData\Local\Temp\2c701d9e522632ec94eef57488bee5a500b4918b68b1cfe4425145e4283ab266.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4016
- 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
  - 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:508
- - C:\Users\Admin\AppData\Local\Temp\1009237001\41cd696d48.exe
    "C:\Users\Admin\AppData\Local\Temp\1009237001\41cd696d48.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
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2672
- - C:\Users\Admin\AppData\Local\Temp\1009238001\vg9qcBa.exe
    "C:\Users\Admin\AppData\Local\Temp\1009238001\vg9qcBa.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2880
  - - C:\Users\Admin\AppData\Local\Temp\1009238001\vg9qcBa.exe
      "C:\Users\Admin\AppData\Local\Temp\1009238001\vg9qcBa.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2216
- - C:\Users\Admin\AppData\Local\Temp\1009243001\3fb721a885.exe
    "C:\Users\Admin\AppData\Local\Temp\1009243001\3fb721a885.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:4488
- - C:\Users\Admin\AppData\Local\Temp\1009244001\d449487256.exe
    "C:\Users\Admin\AppData\Local\Temp\1009244001\d449487256.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:2008

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:3424

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:3260

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion