8b8dad2c17f06198db3d988b60ba48629d767a0d2c8a493f9919ac0dccb95609

Resubmissions

15-09-2022 12:22

220915-pj5vwadad7 10

11-04-2022 16:15

220411-tp8aeaahg9 9

Analysis

max time kernel
42s
max time network
44s
platform
windows7_x64
resource
win7-20220331-en
submitted
11-04-2022 16:15

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Report Analysis Logs

General

Target

vil.dll
Size

2.1MB
MD5

ff6db6c6dfb7c7a9da47d359702ec4b3
SHA1

69dd95131829bb8b983d5fe0ee611e7ff63037b2
SHA256

6168d9f1cb0bc329fe76a0ebb8a782617de9bb0da2372e1f2728db856daf5007
SHA512

a386fbd06168c9aa0b105cee148098706b77e1d1733da5bbda62012dd0736fcbf4e36f696148fdb0d020b5a64192b424cc8b7dcb2ff7e781ffa949118eacc744

Score

9^/10

evasion

Malware Config

Signatures

Enumerates VirtualBox registry keys 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 3 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\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	rundll32.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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3422572840-2899912402-917774768-1000\SOFTWARE\Wine	rundll32.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe
1100	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\vil.dll,#1
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious behavior: EnumeratesProcesses
PID:1100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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