Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-bgen1s1ekm
Target 10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe
SHA256 10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93
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

10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93

Threat Level: Known bad

The file 10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.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 01:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 01:06

Reported

2024-09-20 01:09

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.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\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.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\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.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\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe

"C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/1404-0-0x0000000000B70000-0x0000000001055000-memory.dmp

memory/1404-1-0x0000000077620000-0x0000000077622000-memory.dmp

memory/1404-2-0x0000000000B71000-0x0000000000B85000-memory.dmp

memory/1404-3-0x0000000000B70000-0x0000000001055000-memory.dmp

memory/1404-4-0x0000000000B70000-0x0000000001055000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 01:06

Reported

2024-09-20 01:09

Platform

win10v2004-20240802-en

Max time kernel

96s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.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\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.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\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.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\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.exe

"C:\Users\Admin\AppData\Local\Temp\10725187a9df7a1b6571c7cb840d4767f52ee7ed7cee2bb3d871598eb59edd93.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/1088-0-0x0000000000650000-0x0000000000B35000-memory.dmp

memory/1088-1-0x0000000077B64000-0x0000000077B66000-memory.dmp

memory/1088-2-0x0000000000651000-0x0000000000665000-memory.dmp

memory/1088-3-0x0000000000650000-0x0000000000B35000-memory.dmp

memory/1088-4-0x0000000000650000-0x0000000000B35000-memory.dmp