Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-bnvnta1hpq
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 01:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 01:17

Reported

2024-09-20 01:20

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

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/2664-0-0x0000000000FE0000-0x00000000014C5000-memory.dmp

memory/2664-1-0x0000000077470000-0x0000000077472000-memory.dmp

memory/2664-3-0x0000000000FE0000-0x00000000014C5000-memory.dmp

memory/2664-2-0x0000000000FE1000-0x0000000000FF5000-memory.dmp

memory/2664-4-0x0000000000FE0000-0x00000000014C5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 01:17

Reported

2024-09-20 01:20

Platform

win10v2004-20240802-en

Max time kernel

148s

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-1-5-21-1194130065-3471212556-1656947724-1000\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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 185.215.113.103:80 185.215.113.103 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 103.113.215.185.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4276-0-0x0000000000DC0000-0x00000000012A5000-memory.dmp

memory/4276-1-0x0000000077684000-0x0000000077686000-memory.dmp

memory/4276-2-0x0000000000DC1000-0x0000000000DD5000-memory.dmp

memory/4276-3-0x0000000000DC0000-0x00000000012A5000-memory.dmp

memory/4276-4-0x0000000000DC0000-0x00000000012A5000-memory.dmp