Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-bynm9asenp
Target 996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe
SHA256 996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085
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

996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085

Threat Level: Known bad

The file 996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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 01:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 01:33

Reported

2024-09-20 01:35

Platform

win7-20240903-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe

"C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/2708-0-0x00000000003B0000-0x0000000000889000-memory.dmp

memory/2708-1-0x0000000077340000-0x0000000077342000-memory.dmp

memory/2708-2-0x00000000003B1000-0x00000000003C5000-memory.dmp

memory/2708-3-0x00000000003B0000-0x0000000000889000-memory.dmp

memory/2708-4-0x00000000003B0000-0x0000000000889000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 01:33

Reported

2024-09-20 01:35

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.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\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe

"C:\Users\Admin\AppData\Local\Temp\996f9de8dfa6102ce8c454fae3055ed71f88c6b0e3fca5cf01917d7426d4a085.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/512-0-0x00000000005C0000-0x0000000000A99000-memory.dmp

memory/512-2-0x00000000005C1000-0x00000000005D5000-memory.dmp

memory/512-1-0x0000000077A44000-0x0000000077A46000-memory.dmp

memory/512-3-0x00000000005C0000-0x0000000000A99000-memory.dmp

memory/512-4-0x00000000005C0000-0x0000000000A99000-memory.dmp