Malware Analysis Report

2025-06-16 03:53

Sample ID 241002-bzbeba1amr
Target c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe
SHA256 c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7
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

c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7

Threat Level: Known bad

The file c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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)

Identifies Wine through registry keys

Checks BIOS information in registry

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 01:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-02 01:34

Reported

2024-10-02 01:36

Platform

win7-20240704-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe

"C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe"

Network

Country Destination Domain Proto
RU 185.215.113.37:80 185.215.113.37 tcp

Files

memory/3040-0-0x0000000000B80000-0x0000000001210000-memory.dmp

memory/3040-1-0x0000000077C80000-0x0000000077C82000-memory.dmp

memory/3040-2-0x0000000000B81000-0x0000000000BA4000-memory.dmp

memory/3040-3-0x0000000000B80000-0x0000000001210000-memory.dmp

memory/3040-5-0x0000000000B80000-0x0000000001210000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-02 01:34

Reported

2024-10-02 01:37

Platform

win10v2004-20240802-en

Max time kernel

90s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.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\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe

"C:\Users\Admin\AppData\Local\Temp\c17afe930719ca7861323d6e6fd2a8c59db8db0bce6ae487078d842105a830d7.exe"

Network

Country Destination Domain Proto
RU 185.215.113.37:80 185.215.113.37 tcp
US 8.8.8.8:53 228.249.119.40.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 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 92.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/3612-0-0x0000000000C90000-0x0000000001320000-memory.dmp

memory/3612-1-0x0000000077884000-0x0000000077886000-memory.dmp

memory/3612-2-0x0000000000C91000-0x0000000000CB4000-memory.dmp

memory/3612-3-0x0000000000C90000-0x0000000001320000-memory.dmp

memory/3612-5-0x0000000000C90000-0x0000000001320000-memory.dmp