amadey | 51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

a9bd75f2fb.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a9bd75f2fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a9bd75f2fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a9bd75f2fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a9bd75f2fb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	a9bd75f2fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a9bd75f2fb.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 6 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

a9bd75f2fb.exe51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exeskotes.exeadb52ff0fd.exe8082a370e8.exeskotes.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a9bd75f2fb.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	adb52ff0fd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8082a370e8.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 12 IoCs

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

Query Registry

System Information Discovery

T1082

Processes:

51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exeskotes.exea9bd75f2fb.exe8082a370e8.exeskotes.exeadb52ff0fd.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a9bd75f2fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8082a370e8.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	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	adb52ff0fd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	adb52ff0fd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8082a370e8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a9bd75f2fb.exe

Executes dropped EXE 5 IoCs

Processes:

skotes.exeadb52ff0fd.exe8082a370e8.exeskotes.exea9bd75f2fb.exe

pid	Process
2728	skotes.exe
2296	adb52ff0fd.exe
800	8082a370e8.exe
2504	skotes.exe
2572	a9bd75f2fb.exe

Identifies Wine through registry keys 2 TTPs 4 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

adb52ff0fd.exe8082a370e8.exeskotes.exea9bd75f2fb.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	adb52ff0fd.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	8082a370e8.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	a9bd75f2fb.exe

Loads dropped DLL 11 IoCs

Processes:

51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exeskotes.exeWerFault.exe

pid	Process
2236	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe
2728	skotes.exe
2728	skotes.exe
2312	WerFault.exe
2312	WerFault.exe
2312	WerFault.exe
2312	WerFault.exe
2728	skotes.exe
2728	skotes.exe
2728	skotes.exe
2728	skotes.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

Themida packer 22 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2236-0-0x00000000013C0000-0x0000000001C5D000-memory.dmp	themida
behavioral1/memory/2236-12-0x00000000013C0000-0x0000000001C5D000-memory.dmp	themida
behavioral1/memory/2236-11-0x00000000013C0000-0x0000000001C5D000-memory.dmp	themida
behavioral1/memory/2236-9-0x00000000013C0000-0x0000000001C5D000-memory.dmp	themida
behavioral1/memory/2236-31-0x00000000013C0000-0x0000000001C5D000-memory.dmp	themida
behavioral1/memory/2236-30-0x00000000013C0000-0x0000000001C5D000-memory.dmp	themida
behavioral1/memory/2236-29-0x00000000013C0000-0x0000000001C5D000-memory.dmp	themida
behavioral1/memory/2236-28-0x00000000013C0000-0x0000000001C5D000-memory.dmp	themida
behavioral1/files/0x00070000000186fd-46.dat	themida
behavioral1/memory/2236-41-0x00000000013C0000-0x0000000001C5D000-memory.dmp	themida
behavioral1/memory/2728-51-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-54-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-52-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-50-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-49-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-48-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-47-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-53-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-71-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-77-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida
behavioral1/memory/2728-98-0x0000000004AB0000-0x0000000005135000-memory.dmp	themida
behavioral1/memory/2504-127-0x0000000001310000-0x0000000001BAD000-memory.dmp	themida

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

a9bd75f2fb.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	a9bd75f2fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a9bd75f2fb.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

skotes.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\adb52ff0fd.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1006022001\\adb52ff0fd.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\8082a370e8.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1006023001\\8082a370e8.exe"	skotes.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\a9bd75f2fb.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1006025001\\a9bd75f2fb.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

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exeskotes.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	skotes.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exeskotes.exeadb52ff0fd.exe8082a370e8.exeskotes.exea9bd75f2fb.exe

pid	Process
2236	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe
2728	skotes.exe
2296	adb52ff0fd.exe
800	8082a370e8.exe
2504	skotes.exe
2572	a9bd75f2fb.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

skotes.exe

description	pid	Process	procid_target
PID 2728 set thread context of 2504	2728	skotes.exe	37

Drops file in Windows directory 1 IoCs

Processes:

51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2312	2296	WerFault.exe	33

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

Processes:

8082a370e8.exeskotes.exea9bd75f2fb.exe51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exeskotes.exeadb52ff0fd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8082a370e8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9bd75f2fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adb52ff0fd.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exeskotes.exeadb52ff0fd.exe8082a370e8.exeskotes.exea9bd75f2fb.exe

pid	Process
2236	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe
2728	skotes.exe
2296	adb52ff0fd.exe
2296	adb52ff0fd.exe
2296	adb52ff0fd.exe
2296	adb52ff0fd.exe
2296	adb52ff0fd.exe
800	8082a370e8.exe
2504	skotes.exe
2572	a9bd75f2fb.exe
2572	a9bd75f2fb.exe
2572	a9bd75f2fb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a9bd75f2fb.exe

description	pid	Process
Token: SeDebugPrivilege	2572	a9bd75f2fb.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe

pid	Process
2236	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exeskotes.exeadb52ff0fd.exe

description	pid	Process	procid_target
PID 2236 wrote to memory of 2728	2236	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe	30
PID 2236 wrote to memory of 2728	2236	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe	30
PID 2236 wrote to memory of 2728	2236	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe	30
PID 2236 wrote to memory of 2728	2236	51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe	30
PID 2728 wrote to memory of 2296	2728	skotes.exe	33
PID 2728 wrote to memory of 2296	2728	skotes.exe	33
PID 2728 wrote to memory of 2296	2728	skotes.exe	33
PID 2728 wrote to memory of 2296	2728	skotes.exe	33
PID 2296 wrote to memory of 2312	2296	adb52ff0fd.exe	35
PID 2296 wrote to memory of 2312	2296	adb52ff0fd.exe	35
PID 2296 wrote to memory of 2312	2296	adb52ff0fd.exe	35
PID 2296 wrote to memory of 2312	2296	adb52ff0fd.exe	35
PID 2728 wrote to memory of 800	2728	skotes.exe	36
PID 2728 wrote to memory of 800	2728	skotes.exe	36
PID 2728 wrote to memory of 800	2728	skotes.exe	36
PID 2728 wrote to memory of 800	2728	skotes.exe	36
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2504	2728	skotes.exe	37
PID 2728 wrote to memory of 2572	2728	skotes.exe	38
PID 2728 wrote to memory of 2572	2728	skotes.exe	38
PID 2728 wrote to memory of 2572	2728	skotes.exe	38
PID 2728 wrote to memory of 2572	2728	skotes.exe	38

C:\Users\Admin\AppData\Local\Temp\51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe
"C:\Users\Admin\AppData\Local\Temp\51c35cc8bfc37189048a0454992f30143289dcace11c5fc108db47e91f467bd0.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- 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:2236
- 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
  - Loads dropped DLL
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Users\Admin\AppData\Local\Temp\1006022001\adb52ff0fd.exe
    "C:\Users\Admin\AppData\Local\Temp\1006022001\adb52ff0fd.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
    - Suspicious use of WriteProcessMemory
    PID:2296
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 1216
      4⤵
      Loads dropped DLL
      Program crash
      PID:2312
- - C:\Users\Admin\AppData\Local\Temp\1006023001\8082a370e8.exe
    "C:\Users\Admin\AppData\Local\Temp\1006023001\8082a370e8.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:800
- - 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:2504
- - C:\Users\Admin\AppData\Local\Temp\1006025001\a9bd75f2fb.exe
    "C:\Users\Admin\AppData\Local\Temp\1006025001\a9bd75f2fb.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:2572

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion