Malware Analysis Report

2025-06-16 03:53

Sample ID 241002-gyk51s1crn
Target 61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe
SHA256 61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58
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

61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58

Threat Level: Known bad

The file 61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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 06:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-02 06:12

Reported

2024-10-02 06:15

Platform

win7-20240903-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe

"C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe"

Network

Country Destination Domain Proto
RU 185.215.113.37:80 185.215.113.37 tcp

Files

memory/2708-4-0x00000000003A0000-0x0000000000A5D000-memory.dmp

memory/2708-3-0x00000000003A0000-0x0000000000A5D000-memory.dmp

memory/2708-2-0x00000000003A1000-0x00000000003C4000-memory.dmp

memory/2708-1-0x0000000077850000-0x0000000077852000-memory.dmp

memory/2708-0-0x00000000003A0000-0x0000000000A5D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-02 06:12

Reported

2024-10-02 06:15

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe

"C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 37.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/440-0-0x0000000000D30000-0x00000000013ED000-memory.dmp

memory/440-1-0x00000000774C4000-0x00000000774C6000-memory.dmp

memory/440-2-0x0000000000D31000-0x0000000000D54000-memory.dmp

memory/440-3-0x0000000000D30000-0x00000000013ED000-memory.dmp

memory/440-4-0x0000000000D30000-0x00000000013ED000-memory.dmp