Malware Analysis Report

2024-10-24 18:42

Sample ID 240920-h8dz5avcpf
Target 3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe
SHA256 3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f
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

3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f

Threat Level: Known bad

The file 3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-20 07:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 07:24

Reported

2024-09-20 07:26

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.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\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.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\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.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\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.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\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe

"C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/2140-0-0x0000000001030000-0x0000000001515000-memory.dmp

memory/2140-1-0x0000000077240000-0x0000000077242000-memory.dmp

memory/2140-2-0x0000000001031000-0x0000000001045000-memory.dmp

memory/2140-3-0x0000000001030000-0x0000000001515000-memory.dmp

memory/2140-4-0x0000000001030000-0x0000000001515000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 07:24

Reported

2024-09-20 07:26

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.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\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.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\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.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\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.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\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe

"C:\Users\Admin\AppData\Local\Temp\3e1130f3c633fa3651fc9069734a4dac8d62ca90638552c35a1b4fd80ce3501f.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4644-0-0x00000000008F0000-0x0000000000DD5000-memory.dmp

memory/4644-1-0x0000000077E54000-0x0000000077E56000-memory.dmp

memory/4644-2-0x00000000008F1000-0x0000000000905000-memory.dmp

memory/4644-3-0x00000000008F0000-0x0000000000DD5000-memory.dmp

memory/4644-5-0x00000000008F0000-0x0000000000DD5000-memory.dmp