amadey | 4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2

Virtualization/Sandbox Evasion

Processes:

4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exeexplorha.exeexplorha.exeexplorha.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.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__	explorha.exe

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exerundll32.exe

flow pid process

3 5036 rundll32.exe
4 1748 rundll32.exe
Downloads MZ/PE file

flow	pid	process
3	5036	rundll32.exe
4	1748	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.exe4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exeexplorha.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	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.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

Executes dropped EXE 3 IoCs

Processes:

explorha.exeexplorha.exeexplorha.exe

pid process

3988 explorha.exe
2908 explorha.exe
1640 explorha.exe

pid	process
3988	explorha.exe
2908	explorha.exe
1640	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.exe4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exeexplorha.exeexplorha.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	explorha.exe
Key opened	\REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Wine	explorha.exe

Loads dropped DLL 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

pid process

576 rundll32.exe
5036 rundll32.exe
1748 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:

4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exeexplorha.exeexplorha.exeexplorha.exe

pid process

2208 4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe
3988 explorha.exe
2908 explorha.exe
1640 explorha.exe
Drops file in Windows directory 1 IoCs

Processes:

4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe

description ioc process

File created C:\Windows\Tasks\explorha.job 4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
576	rundll32.exe
5036	rundll32.exe
1748	rundll32.exe

description	ioc	process
File created	C:\Windows\Tasks\explorha.job	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exe

pid	process
2208	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe
2208	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe
3988	explorha.exe
3988	explorha.exe
5036	rundll32.exe
5036	rundll32.exe
5036	rundll32.exe
5036	rundll32.exe
5036	rundll32.exe
5036	rundll32.exe
5036	rundll32.exe
5036	rundll32.exe
5036	rundll32.exe
5036	rundll32.exe
3480	powershell.exe
3480	powershell.exe
2908	explorha.exe
2908	explorha.exe
1640	explorha.exe
1640	explorha.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3480 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3480	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exeexplorha.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2208 wrote to memory of 3988	2208	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe	explorha.exe
PID 2208 wrote to memory of 3988	2208	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe	explorha.exe
PID 2208 wrote to memory of 3988	2208	4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe	explorha.exe
PID 3988 wrote to memory of 576	3988	explorha.exe	rundll32.exe
PID 3988 wrote to memory of 576	3988	explorha.exe	rundll32.exe
PID 3988 wrote to memory of 576	3988	explorha.exe	rundll32.exe
PID 576 wrote to memory of 5036	576	rundll32.exe	rundll32.exe
PID 576 wrote to memory of 5036	576	rundll32.exe	rundll32.exe
PID 5036 wrote to memory of 3540	5036	rundll32.exe	netsh.exe
PID 5036 wrote to memory of 3540	5036	rundll32.exe	netsh.exe
PID 5036 wrote to memory of 3480	5036	rundll32.exe	powershell.exe
PID 5036 wrote to memory of 3480	5036	rundll32.exe	powershell.exe
PID 3988 wrote to memory of 1748	3988	explorha.exe	rundll32.exe
PID 3988 wrote to memory of 1748	3988	explorha.exe	rundll32.exe
PID 3988 wrote to memory of 1748	3988	explorha.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.exe
"C:\Users\Admin\AppData\Local\Temp\4cc1a1cf97185157996a4e1d6050d1bba64ec132564e6da340d2fcd0180991a2.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:2208

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:3988

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:576

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:5036

C:\Windows\system32\netsh.exe
netsh wlan show profiles
5⤵
PID:3540

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\263309122282_Desktop.zip' -CompressionLevel Optimal
5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3480

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:1748

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:2908

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:1640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Information Discovery

T1082

Virtualization/Sandbox Evasion