8f47c3962a7c418bae71fec42bbca9524b72f8f0fd2dd81d1175138f7d20b2f7

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
15/04/2022, 13:22

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General

Target
8f47c3962a7c418bae71fec42bbca9524b72f8f0fd2dd81d1175138f7d20b2f7.dll
Size 2.7MB
Sample220415-ql79fseab4
SHA256 8f47c3962a7c418bae71fec42bbca9524b72f8f0fd2dd81d1175138f7d20b2f7
MD5 8335ad591afdfdd65f90536b9ff15597
SHA1 bfc8b6501dfac4583979f12552535c2923b881bf
SHA512 b438383f722afc65cf5dce113a405f4feec3f275f513f01a7f7a8f6150bbce78a669015b552ed3b7c798f7538444e1a6b751cc7e290445ef1404b9e34ff4a473
MD5 SHA1 SHA512

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\SystemBiosDate	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Wine	rundll32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe
5068	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f47c3962a7c418bae71fec42bbca9524b72f8f0fd2dd81d1175138f7d20b2f7.dll,#1
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious behavior: EnumeratesProcesses
PID:5068

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

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Downloads

memory/5068-130-0x00007FF85D6A0000-0x00007FF85D6B0000-memory.dmp

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