Malware Analysis Report

2025-06-16 03:52

Sample ID 241002-kz2e6sxhjn
Target file.exe
SHA256 e71d4ec29d08f00bc6c7c5abf74bcdd1671bf2b11872ab538036058bacf3b082
Tags
stealc doma 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

e71d4ec29d08f00bc6c7c5abf74bcdd1671bf2b11872ab538036058bacf3b082

Threat Level: Known bad

The file file.exe was found to be: Known bad.

Malicious Activity Summary

stealc doma 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

2024-10-02 09:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-02 09:03

Reported

2024-10-02 09:05

Platform

win7-20240708-en

Max time kernel

120s

Max time network

121s

Command Line

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

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious behavior: EnumeratesProcesses

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

Processes

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

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

Network

Country Destination Domain Proto
RU 185.215.113.37:80 185.215.113.37 tcp

Files

memory/824-0-0x0000000000B40000-0x00000000011C9000-memory.dmp

memory/824-1-0x0000000077CA0000-0x0000000077CA2000-memory.dmp

memory/824-3-0x0000000000B40000-0x00000000011C9000-memory.dmp

memory/824-2-0x0000000000B41000-0x0000000000B64000-memory.dmp

memory/824-4-0x0000000000B40000-0x00000000011C9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-02 09:03

Reported

2024-10-02 09:05

Platform

win10v2004-20240802-en

Max time kernel

96s

Max time network

151s

Command Line

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

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Suspicious behavior: EnumeratesProcesses

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

Processes

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

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

Network

Country Destination Domain Proto
RU 185.215.113.37:80 185.215.113.37 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 37.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/1576-0-0x0000000000EC0000-0x0000000001549000-memory.dmp

memory/1576-1-0x0000000077514000-0x0000000077516000-memory.dmp

memory/1576-2-0x0000000000EC1000-0x0000000000EE4000-memory.dmp

memory/1576-3-0x0000000000EC0000-0x0000000001549000-memory.dmp

memory/1576-4-0x0000000000EC0000-0x0000000001549000-memory.dmp