amadey | 881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	lenin.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
10	1504	rundll32.exe
11	4608	rundll32.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

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	lenin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	lenin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe

Executes dropped EXE 11 IoCs

pid	Process
1420	explorha.exe
5116	lenin.exe
980	InstallSetup8.exe
624	explorha.exe
2268	InstallSetup8.exe
4632	explorha.exe
3972	InstallSetup8.exe
4740	explorha.exe
4028	InstallSetup8.exe
1612	explorha.exe
1136	InstallSetup8.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-1-5-21-2772066395-907917261-1982757236-1000\Software\Wine	lenin.exe
Key opened	\REGISTRY\USER\S-1-5-21-2772066395-907917261-1982757236-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-2772066395-907917261-1982757236-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-2772066395-907917261-1982757236-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-2772066395-907917261-1982757236-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-2772066395-907917261-1982757236-1000\Software\Wine	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe
Key opened	\REGISTRY\USER\S-1-5-21-2772066395-907917261-1982757236-1000\Software\Wine	explorha.exe

Loads dropped DLL 3 IoCs

pid	Process
5000	rundll32.exe
1504	rundll32.exe
4608	rundll32.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 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

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-1-5-21-2772066395-907917261-1982757236-1000\Software\Microsoft\Windows\CurrentVersion\Run\lenin.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000010001\\lenin.exe"	explorha.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2772066395-907917261-1982757236-1000\Software\Microsoft\Windows\CurrentVersion\Run\InstallSetup8.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000018001\\InstallSetup8.exe"	explorha.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
2268	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe
1420	explorha.exe
624	explorha.exe
4632	explorha.exe
4740	explorha.exe
1612	explorha.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\explorha.job	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

pid	Process
1376	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2268	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe
2268	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe
1420	explorha.exe
1420	explorha.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1504	rundll32.exe
1768	powershell.exe
1768	powershell.exe
1768	powershell.exe
624	explorha.exe
624	explorha.exe
4632	explorha.exe
4632	explorha.exe
4740	explorha.exe
4740	explorha.exe
1612	explorha.exe
1612	explorha.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2268	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1420	2268	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe	74
PID 2268 wrote to memory of 1420	2268	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe	74
PID 2268 wrote to memory of 1420	2268	881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe	74
PID 1420 wrote to memory of 5116	1420	explorha.exe	75
PID 1420 wrote to memory of 5116	1420	explorha.exe	75
PID 1420 wrote to memory of 5116	1420	explorha.exe	75
PID 1420 wrote to memory of 5000	1420	explorha.exe	76
PID 1420 wrote to memory of 5000	1420	explorha.exe	76
PID 1420 wrote to memory of 5000	1420	explorha.exe	76
PID 5000 wrote to memory of 1504	5000	rundll32.exe	77
PID 5000 wrote to memory of 1504	5000	rundll32.exe	77
PID 1504 wrote to memory of 3688	1504	rundll32.exe	78
PID 1504 wrote to memory of 3688	1504	rundll32.exe	78
PID 1420 wrote to memory of 980	1420	explorha.exe	80
PID 1420 wrote to memory of 980	1420	explorha.exe	80
PID 1420 wrote to memory of 980	1420	explorha.exe	80
PID 980 wrote to memory of 1376	980	InstallSetup8.exe	81
PID 980 wrote to memory of 1376	980	InstallSetup8.exe	81
PID 980 wrote to memory of 1376	980	InstallSetup8.exe	81
PID 1504 wrote to memory of 1768	1504	rundll32.exe	83
PID 1504 wrote to memory of 1768	1504	rundll32.exe	83
PID 1420 wrote to memory of 4608	1420	explorha.exe	85
PID 1420 wrote to memory of 4608	1420	explorha.exe	85
PID 1420 wrote to memory of 4608	1420	explorha.exe	85

C:\Users\Admin\AppData\Local\Temp\881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe
"C:\Users\Admin\AppData\Local\Temp\881963d131beda0aa2b22a681b74614574962845a6161e093eee1a3c90ca3de4.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
  "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Users\Admin\AppData\Local\Temp\1000010001\lenin.exe
    "C:\Users\Admin\AppData\Local\Temp\1000010001\lenin.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    PID:5116
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:5000
  - - C:\Windows\system32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1504
    - - C:\Windows\system32\netsh.exe
        
        netsh wlan show profiles
        5⤵
        
        PID:3688
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\772066395907_Desktop.zip' -CompressionLevel Optimal
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1768
- - C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe
    "C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:980
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN InstallSetup8.exe /TR "C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe" /F
      4⤵
      Creates scheduled task(s)
      PID:1376
- - C:\Windows\SysWOW64\rundll32.exe
    "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    PID:4608

C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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:624

C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe
C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe
1⤵
- Executes dropped EXE
PID:2268

C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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:4632

C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe
C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe
1⤵
- Executes dropped EXE
PID:3972

C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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:4740

C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe
C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe
1⤵
- Executes dropped EXE
PID:4028

C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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:1612

C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe
C:\Users\Admin\AppData\Local\Temp\1000018001\InstallSetup8.exe
1⤵
- Executes dropped EXE
PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

System Information Discovery

T1082

Virtualization/Sandbox Evasion