Malware Analysis Report

2025-08-10 19:57

Sample ID 250630-wqx7ya1xfs
Target random.exe
SHA256 4d42c44b8dfbac53f73459f7cb507dac0d24f34c5abc6389c7133c648e4b9f80
Tags
lumma defense_evasion discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

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

4d42c44b8dfbac53f73459f7cb507dac0d24f34c5abc6389c7133c648e4b9f80

Threat Level: Known bad

The file random.exe was found to be: Known bad.

Malicious Activity Summary

lumma defense_evasion discovery spyware stealer

Lumma family

Lumma Stealer, LummaC

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Identifies Wine through registry keys

Reads user/profile data of local email clients

Checks installed software on the system

Suspicious use of NtSetInformationThreadHideFromDebugger

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-06-30 18:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-06-30 18:08

Reported

2025-06-30 18:10

Platform

win10v2004-20250610-en

Max time kernel

102s

Max time network

137s

Command Line

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

Signatures

Lumma Stealer, LummaC

stealer lumma

Lumma family

lumma

Identifies VirtualBox via ACPI registry values (likely anti-VM)

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\random.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\random.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\random.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-155457276-1657131288-1088518942-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\random.exe N/A

Reads user/profile data of local email clients

spyware stealer

Checks installed software on the system

discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ketxsuz.xyz udp
US 8.8.8.8:53 pacwpw.xyz udp
US 144.172.115.212:443 pacwpw.xyz tcp
US 144.172.115.212:443 pacwpw.xyz tcp
US 144.172.115.212:443 pacwpw.xyz tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.200.3:80 c.pki.goog tcp

Files

memory/4508-0-0x0000000000D80000-0x000000000122C000-memory.dmp

memory/4508-1-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

memory/4508-5-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

memory/4508-4-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

memory/4508-6-0x0000000000D80000-0x000000000122C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-06-30 18:08

Reported

2025-06-30 18:10

Platform

win11-20250619-en

Max time kernel

101s

Max time network

104s

Command Line

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

Signatures

Lumma Stealer, LummaC

stealer lumma

Lumma family

lumma

Identifies VirtualBox via ACPI registry values (likely anti-VM)

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\random.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\random.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\random.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3972667009-3658015838-2693993929-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\random.exe N/A

Reads user/profile data of local email clients

spyware stealer

Checks installed software on the system

discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ketxsuz.xyz udp
US 8.8.8.8:53 pacwpw.xyz udp
US 144.172.115.212:443 pacwpw.xyz tcp
US 144.172.115.212:443 pacwpw.xyz tcp
US 144.172.115.212:443 pacwpw.xyz tcp

Files

memory/3896-0-0x00000000009D0000-0x0000000000E7C000-memory.dmp

memory/3896-1-0x0000000004C80000-0x0000000004C81000-memory.dmp

memory/3896-5-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

memory/3896-4-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

memory/3896-6-0x0000000004C90000-0x0000000004C91000-memory.dmp

memory/3896-7-0x00000000009D0000-0x0000000000E7C000-memory.dmp