Malware Analysis Report

2025-01-22 22:53

Sample ID 240908-jqjy4awhke
Target bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7
SHA256 bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7

Threat Level: Known bad

The file bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7 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

2024-09-08 07:52

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-08 07:52

Reported

2024-09-08 07:54

Platform

win11-20240802-en

Max time kernel

40s

Max time network

61s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.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\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.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\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-6179872-1886041298-1573312864-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.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\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe

"C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe"

Network

Country Destination Domain Proto
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 52.111.227.11:443 tcp

Files

memory/5436-0-0x00000000003E0000-0x0000000000A5C000-memory.dmp

memory/5436-1-0x0000000077216000-0x0000000077218000-memory.dmp

memory/5436-2-0x00000000003E1000-0x00000000003F5000-memory.dmp

memory/5436-3-0x00000000003E0000-0x0000000000A5C000-memory.dmp

memory/5436-4-0x00000000003E0000-0x0000000000A5C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-08 07:52

Reported

2024-09-08 07:54

Platform

win10v2004-20240802-en

Max time kernel

91s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.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\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.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\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.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\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.exe

"C:\Users\Admin\AppData\Local\Temp\bd806c302e70a085a618fc1a5ccc60620b9c17724e6e5258f1db9cb39ed1f8c7.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 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.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 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/4020-0-0x0000000000FF0000-0x000000000166C000-memory.dmp

memory/4020-1-0x0000000077764000-0x0000000077766000-memory.dmp

memory/4020-2-0x0000000000FF1000-0x0000000001005000-memory.dmp

memory/4020-3-0x0000000000FF0000-0x000000000166C000-memory.dmp

memory/4020-4-0x0000000000FF0000-0x000000000166C000-memory.dmp