Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-bq4phasarl
Target 57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe
SHA256 57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f
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

57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f

Threat Level: Known bad

The file 57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.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 01:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 01:21

Reported

2024-09-20 01:24

Platform

win7-20240708-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.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\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.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\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.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\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe

"C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/1976-0-0x0000000000D00000-0x00000000011E2000-memory.dmp

memory/1976-1-0x00000000774E0000-0x00000000774E2000-memory.dmp

memory/1976-2-0x0000000000D01000-0x0000000000D15000-memory.dmp

memory/1976-3-0x0000000000D00000-0x00000000011E2000-memory.dmp

memory/1976-4-0x0000000000D00000-0x00000000011E2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 01:21

Reported

2024-09-20 01:24

Platform

win10v2004-20240802-en

Max time kernel

91s

Max time network

113s

Command Line

"C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.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\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.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\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.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\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe

"C:\Users\Admin\AppData\Local\Temp\57f0f57864fcdb8eb41a1eb3773d9e2815f6c05fe22db2ca9c239a13d2a8067f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/4104-0-0x0000000000CE0000-0x00000000011C2000-memory.dmp

memory/4104-1-0x0000000077954000-0x0000000077956000-memory.dmp

memory/4104-2-0x0000000000CE1000-0x0000000000CF5000-memory.dmp

memory/4104-3-0x0000000000CE0000-0x00000000011C2000-memory.dmp

memory/4104-5-0x0000000000CE0000-0x00000000011C2000-memory.dmp