81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2512	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3032	2512	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2512	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 3032	2512	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe	31
PID 2512 wrote to memory of 3032	2512	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe	31
PID 2512 wrote to memory of 3032	2512	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe	31
PID 2512 wrote to memory of 3032	2512	81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe	31

C:\Users\Admin\AppData\Local\Temp\81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.exe
"C:\Users\Admin\AppData\Local\Temp\81f74729d5804f8d12d6b03e9857f8598a2658f4affaf7179c17d183d11dcf7d.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 1240
  2⤵
  - Program crash
  PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Data from Local System