Malware Analysis Report

2025-01-18 23:57

Sample ID 241111-q3313aypg1
Target fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.zip
SHA256 d3bcd07cac842a5f7a0c99f07454dea366024baf3cd85fba3c12830a2c580f0a
Tags
discovery evasion
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

d3bcd07cac842a5f7a0c99f07454dea366024baf3cd85fba3c12830a2c580f0a

Threat Level: Likely malicious

The file fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.zip was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Identifies Wine through registry keys

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 13:48

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 13:48

Reported

2024-11-11 13:51

Platform

win10ltsc2021-20241023-en

Max time kernel

62s

Max time network

63s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2319007114-3335580451-2147236418-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe

"C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe"

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
RU 185.215.113.206:80 185.215.113.206 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 206.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp

Files

memory/636-0-0x00000000002A0000-0x0000000000950000-memory.dmp

memory/636-1-0x00000000779C5000-0x00000000779C7000-memory.dmp

memory/636-2-0x00000000002A1000-0x00000000002B8000-memory.dmp

memory/636-3-0x00000000002A0000-0x0000000000950000-memory.dmp

memory/636-4-0x00000000002A0000-0x0000000000950000-memory.dmp