amadey | cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9

Virtualization/Sandbox Evasion

Processes:

explorha.execfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exeexplorha.exeexplorha.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explorha.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 3604 rundll32.exe
4 2424 rundll32.exe
Downloads MZ/PE file

flow	pid	process
3	3604	rundll32.exe
4	2424	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:

explorha.exeexplorha.exeexplorha.execfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe

description	ioc	process
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	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorha.exe

Executes dropped EXE 3 IoCs

Processes:

explorha.exeexplorha.exeexplorha.exe

pid process

5020 explorha.exe
1800 explorha.exe
3140 explorha.exe

pid	process
5020	explorha.exe
1800	explorha.exe
3140	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:

explorha.exeexplorha.exeexplorha.execfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe

description	ioc	process
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
Key opened	\REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe

Loads dropped DLL 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

pid process

1360 rundll32.exe
3604 rundll32.exe
2424 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:

cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exeexplorha.exeexplorha.exeexplorha.exe

pid process

1756 cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe
5020 explorha.exe
1800 explorha.exe
3140 explorha.exe
Drops file in Windows directory 1 IoCs

Processes:

cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe

description ioc process

File created C:\Windows\Tasks\explorha.job cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1360	rundll32.exe
3604	rundll32.exe
2424	rundll32.exe

description	ioc	process
File created	C:\Windows\Tasks\explorha.job	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exe

pid	process
1756	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe
1756	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe
5020	explorha.exe
5020	explorha.exe
3604	rundll32.exe
3604	rundll32.exe
3604	rundll32.exe
3604	rundll32.exe
3604	rundll32.exe
3604	rundll32.exe
3604	rundll32.exe
3604	rundll32.exe
3604	rundll32.exe
3604	rundll32.exe
3172	powershell.exe
3172	powershell.exe
1800	explorha.exe
1800	explorha.exe
3140	explorha.exe
3140	explorha.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3172 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3172	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exeexplorha.exerundll32.exerundll32.exe

description	pid	process	target process
PID 1756 wrote to memory of 5020	1756	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe	explorha.exe
PID 1756 wrote to memory of 5020	1756	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe	explorha.exe
PID 1756 wrote to memory of 5020	1756	cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe	explorha.exe
PID 5020 wrote to memory of 1360	5020	explorha.exe	rundll32.exe
PID 5020 wrote to memory of 1360	5020	explorha.exe	rundll32.exe
PID 5020 wrote to memory of 1360	5020	explorha.exe	rundll32.exe
PID 1360 wrote to memory of 3604	1360	rundll32.exe	rundll32.exe
PID 1360 wrote to memory of 3604	1360	rundll32.exe	rundll32.exe
PID 3604 wrote to memory of 228	3604	rundll32.exe	netsh.exe
PID 3604 wrote to memory of 228	3604	rundll32.exe	netsh.exe
PID 3604 wrote to memory of 3172	3604	rundll32.exe	powershell.exe
PID 3604 wrote to memory of 3172	3604	rundll32.exe	powershell.exe
PID 5020 wrote to memory of 2424	5020	explorha.exe	rundll32.exe
PID 5020 wrote to memory of 2424	5020	explorha.exe	rundll32.exe
PID 5020 wrote to memory of 2424	5020	explorha.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.exe
"C:\Users\Admin\AppData\Local\Temp\cfae7e4241507cfc24a20519a790dc12703f1211eeecf74c9f03446335d9dee9.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 WriteProcessMemory
PID:1756

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:5020

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:1360

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:3604

C:\Windows\system32\netsh.exe
netsh wlan show profiles
5⤵
PID:228

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:3172

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:2424

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:1800

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:3140

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