Malware Analysis Report

2025-06-16 03:53

Sample ID 241002-bkm5kazbrn
Target 3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe
SHA256 3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def

Threat Level: Known bad

The file 3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-02 01:12

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-02 01:12

Reported

2024-10-02 01:14

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.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\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.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\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.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\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe

"C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
RU 185.215.113.37:80 185.215.113.37 tcp
US 8.8.8.8:53 37.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/2084-0-0x0000000000B30000-0x00000000011DC000-memory.dmp

memory/2084-1-0x00000000770D4000-0x00000000770D6000-memory.dmp

memory/2084-2-0x0000000000B31000-0x0000000000B54000-memory.dmp

memory/2084-3-0x0000000000B30000-0x00000000011DC000-memory.dmp

memory/2084-4-0x0000000000B30000-0x00000000011DC000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-02 01:12

Reported

2024-10-02 01:14

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.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\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.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\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.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\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe

"C:\Users\Admin\AppData\Local\Temp\3da517d01b63fbd2b2d0ae4a7bb98d9d59f8dbeb2414d51a66023982747f7def.exe"

Network

Country Destination Domain Proto
RU 185.215.113.37:80 185.215.113.37 tcp

Files

memory/2876-0-0x00000000001F0000-0x000000000089C000-memory.dmp

memory/2876-1-0x00000000776A0000-0x00000000776A2000-memory.dmp

memory/2876-2-0x00000000001F1000-0x0000000000214000-memory.dmp

memory/2876-3-0x00000000001F0000-0x000000000089C000-memory.dmp

memory/2876-4-0x00000000001F0000-0x000000000089C000-memory.dmp