amadey | add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b

Virtualization/Sandbox Evasion

Processes:

explorha.exeexplorha.exeadd284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exeexplorha.exe

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__	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exerundll32.exe

flow pid process

3 1836 rundll32.exe
4 1380 rundll32.exe
Downloads MZ/PE file

flow	pid	process
3	1836	rundll32.exe
4	1380	rundll32.exe

Checks BIOS information in registry 2 TTPs 8 IoCs

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

Query Registry

System Information Discovery

T1082

Processes:

add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exeexplorha.exeexplorha.exeexplorha.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.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\SystemBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explorha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe

Executes dropped EXE 3 IoCs

Processes:

explorha.exeexplorha.exeexplorha.exe

pid process

1744 explorha.exe
1704 explorha.exe
4916 explorha.exe

pid	process
1744	explorha.exe
1704	explorha.exe
4916	explorha.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:

add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exeexplorha.exeexplorha.exeexplorha.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe
Key opened	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine	explorha.exe

Loads dropped DLL 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

pid process

1300 rundll32.exe
1836 rundll32.exe
1380 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
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exeexplorha.exeexplorha.exeexplorha.exe

pid process

3948 add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe
1744 explorha.exe
1704 explorha.exe
4916 explorha.exe
Drops file in Windows directory 1 IoCs

Processes:

add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe

description ioc process

File created C:\Windows\Tasks\explorha.job add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1300	rundll32.exe
1836	rundll32.exe
1380	rundll32.exe

description	ioc	process
File created	C:\Windows\Tasks\explorha.job	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exe

pid	process
3948	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe
3948	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe
1744	explorha.exe
1744	explorha.exe
1836	rundll32.exe
1836	rundll32.exe
1836	rundll32.exe
1836	rundll32.exe
1836	rundll32.exe
1836	rundll32.exe
1836	rundll32.exe
1836	rundll32.exe
1836	rundll32.exe
1836	rundll32.exe
4508	powershell.exe
4508	powershell.exe
1704	explorha.exe
1704	explorha.exe
4916	explorha.exe
4916	explorha.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4508 powershell.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe

pid process

3948 add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe

description	pid	process
Token: SeDebugPrivilege	4508	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exeexplorha.exerundll32.exerundll32.exe

description	pid	process	target process
PID 3948 wrote to memory of 1744	3948	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe	explorha.exe
PID 3948 wrote to memory of 1744	3948	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe	explorha.exe
PID 3948 wrote to memory of 1744	3948	add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe	explorha.exe
PID 1744 wrote to memory of 1300	1744	explorha.exe	rundll32.exe
PID 1744 wrote to memory of 1300	1744	explorha.exe	rundll32.exe
PID 1744 wrote to memory of 1300	1744	explorha.exe	rundll32.exe
PID 1300 wrote to memory of 1836	1300	rundll32.exe	rundll32.exe
PID 1300 wrote to memory of 1836	1300	rundll32.exe	rundll32.exe
PID 1836 wrote to memory of 1392	1836	rundll32.exe	netsh.exe
PID 1836 wrote to memory of 1392	1836	rundll32.exe	netsh.exe
PID 1836 wrote to memory of 4508	1836	rundll32.exe	powershell.exe
PID 1836 wrote to memory of 4508	1836	rundll32.exe	powershell.exe
PID 1744 wrote to memory of 1380	1744	explorha.exe	rundll32.exe
PID 1744 wrote to memory of 1380	1744	explorha.exe	rundll32.exe
PID 1744 wrote to memory of 1380	1744	explorha.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.exe
"C:\Users\Admin\AppData\Local\Temp\add284edfd40d0d3a69642f4a81fcc5cd1e8a86eb99b40d768a19ef13ce54d3b.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:3948

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
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1744

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:1300

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:1836

C:\Windows\system32\netsh.exe
netsh wlan show profiles
5⤵
PID:1392

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\567984660271_Desktop.zip' -CompressionLevel Optimal
5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4508

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:1380

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:1704

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:4916

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

3

Virtualization/Sandbox Evasion

System Information Discovery