Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-b8pcjatbnn
Target e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe
SHA256 e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c
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

e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c

Threat Level: Known bad

The file e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.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 01:49

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 01:49

Reported

2024-09-20 01:51

Platform

win7-20240903-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.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\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.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\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.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\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe

"C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/2532-0-0x0000000000170000-0x0000000000649000-memory.dmp

memory/2532-1-0x0000000077C70000-0x0000000077C72000-memory.dmp

memory/2532-2-0x0000000000171000-0x0000000000185000-memory.dmp

memory/2532-3-0x0000000000170000-0x0000000000649000-memory.dmp

memory/2532-5-0x0000000000170000-0x0000000000649000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 01:49

Reported

2024-09-20 01:51

Platform

win10v2004-20240802-en

Max time kernel

92s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.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\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.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\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.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\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe

"C:\Users\Admin\AppData\Local\Temp\e7375fe98bcdd7821e6cc794c43eae953287b522b1602da81ec2bebc99d3108c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
RU 185.215.113.103:80 185.215.113.103 tcp
US 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp

Files

memory/4188-0-0x0000000000D70000-0x0000000001249000-memory.dmp

memory/4188-1-0x0000000077594000-0x0000000077596000-memory.dmp

memory/4188-2-0x0000000000D71000-0x0000000000D85000-memory.dmp

memory/4188-3-0x0000000000D70000-0x0000000001249000-memory.dmp

memory/4188-4-0x0000000000D70000-0x0000000001249000-memory.dmp