Malware Analysis Report

2024-10-24 18:41

Sample ID 240920-bh1mwa1bna
Target 1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe
SHA256 1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6
Tags
stealc rave 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

1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6

Threat Level: Known bad

The file 1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe was found to be: Known bad.

Malicious Activity Summary

stealc rave 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

2024-09-20 01:09

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 01:09

Reported

2024-09-20 01:12

Platform

win10v2004-20240802-en

Max time kernel

92s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.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\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.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\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.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\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe

"C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 103.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/3664-0-0x0000000000A80000-0x0000000000F65000-memory.dmp

memory/3664-1-0x0000000077C74000-0x0000000077C76000-memory.dmp

memory/3664-2-0x0000000000A81000-0x0000000000A95000-memory.dmp

memory/3664-3-0x0000000000A80000-0x0000000000F65000-memory.dmp

memory/3664-4-0x0000000000A80000-0x0000000000F65000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 01:09

Reported

2024-09-20 01:12

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.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\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.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\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.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\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.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\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe

"C:\Users\Admin\AppData\Local\Temp\1e6145c0e7190ce44a10c9f641dfed07983e1e2618bab8c01db74d7867cc98b6.exe"

Network

Country Destination Domain Proto
RU 185.215.113.103:80 185.215.113.103 tcp

Files

memory/2480-0-0x0000000000DC0000-0x00000000012A5000-memory.dmp

memory/2480-1-0x00000000779C0000-0x00000000779C2000-memory.dmp

memory/2480-2-0x0000000000DC1000-0x0000000000DD5000-memory.dmp

memory/2480-3-0x0000000000DC0000-0x00000000012A5000-memory.dmp

memory/2480-5-0x0000000000DC0000-0x00000000012A5000-memory.dmp