Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-b6zqgstapr
Target d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe
SHA256 d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c
Tags
stealc rave discovery evasion stealer
score
10/10

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c

Threat Level: Known bad

The file d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe was found to be: Known bad.

Malicious Activity Summary

stealc rave discovery evasion stealer

Stealc

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

2024-09-20 01:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 01:46

Reported

2024-09-20 01:48

Platform

win7-20240903-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe"

Signatures

Stealc

stealer stealc

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\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.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\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.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\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe

"C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/2104-0-0x00000000001C0000-0x00000000006A5000-memory.dmp

memory/2104-1-0x00000000777E0000-0x00000000777E2000-memory.dmp

memory/2104-3-0x00000000001C0000-0x00000000006A5000-memory.dmp

memory/2104-2-0x00000000001C1000-0x00000000001D5000-memory.dmp

memory/2104-4-0x00000000001C0000-0x00000000006A5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 01:46

Reported

2024-09-20 01:48

Platform

win10v2004-20240802-en

Max time kernel

96s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe"

Signatures

Stealc

stealer stealc

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\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.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\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.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\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe

"C:\Users\Admin\AppData\Local\Temp\d26ec344cfcedfbe4f2aaa6298cd3286b83a601bf87f059c85117cccc62dae3c.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/1636-0-0x0000000000AE0000-0x0000000000FC5000-memory.dmp

memory/1636-1-0x00000000770E4000-0x00000000770E6000-memory.dmp

memory/1636-2-0x0000000000AE1000-0x0000000000AF5000-memory.dmp

memory/1636-3-0x0000000000AE0000-0x0000000000FC5000-memory.dmp

memory/1636-5-0x0000000000AE0000-0x0000000000FC5000-memory.dmp