Malware Analysis Report

2025-06-16 03:52

Sample ID 241002-bjb1xatbqh
Target 33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe
SHA256 33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029
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

33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029

Threat Level: Known bad

The file 33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-02 01:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-02 01:10

Reported

2024-10-02 01:12

Platform

win7-20240708-en

Max time kernel

121s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.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\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.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\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.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\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe

"C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe"

Network

Country Destination Domain Proto
RU 185.215.113.37:80 185.215.113.37 tcp

Files

memory/2372-0-0x0000000000C40000-0x00000000012DA000-memory.dmp

memory/2372-1-0x00000000776F0000-0x00000000776F2000-memory.dmp

memory/2372-3-0x0000000000C40000-0x00000000012DA000-memory.dmp

memory/2372-2-0x0000000000C41000-0x0000000000C64000-memory.dmp

memory/2372-5-0x0000000000C40000-0x00000000012DA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-02 01:10

Reported

2024-10-02 01:12

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.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\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.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\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.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\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.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\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe

"C:\Users\Admin\AppData\Local\Temp\33cbd0e0fa5ac49cb28c3f095077c7b82cc6127d78a0024eff5e5d9f3fc12029.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RU 185.215.113.37:80 185.215.113.37 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 37.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/1600-0-0x0000000000500000-0x0000000000B9A000-memory.dmp

memory/1600-1-0x0000000077E64000-0x0000000077E66000-memory.dmp

memory/1600-2-0x0000000000501000-0x0000000000524000-memory.dmp

memory/1600-3-0x0000000000500000-0x0000000000B9A000-memory.dmp

memory/1600-4-0x0000000000500000-0x0000000000B9A000-memory.dmp