Malware Analysis Report

2025-08-05 14:44

Sample ID 250701-h6zh2s1yd1
Target 932670f9c5a3b5128d1c2c495b06feac.exe
SHA256 cf1df5208867c4b2a67d8edc287d77e75b4ce479ec69ab51c3767aff83eff997
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

cf1df5208867c4b2a67d8edc287d77e75b4ce479ec69ab51c3767aff83eff997

Threat Level: Known bad

The file 932670f9c5a3b5128d1c2c495b06feac.exe was found to be: Known bad.

Malicious Activity Summary

lumma defense_evasion discovery spyware stealer

Lumma Stealer, LummaC

Lumma family

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

Reads user/profile data of local email clients

Checks BIOS information in registry

Identifies Wine through registry keys

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

2025-07-01 07:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-07-01 07:21

Reported

2025-07-01 07:24

Platform

win10v2004-20250619-en

Max time kernel

124s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.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\932670f9c5a3b5128d1c2c495b06feac.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\932670f9c5a3b5128d1c2c495b06feac.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4144907350-1836498122-2806216936-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.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\932670f9c5a3b5128d1c2c495b06feac.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\932670f9c5a3b5128d1c2c495b06feac.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.exe

"C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 rbmlh.xyz udp
US 144.172.115.212:443 rbmlh.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 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
GB 2.18.27.82:443 www.bing.com tcp
US 144.172.115.212:443 rbmlh.xyz tcp
US 144.172.115.212:443 rbmlh.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 142.250.179.227:80 c.pki.goog tcp

Files

memory/1608-0-0x0000000000360000-0x000000000080D000-memory.dmp

memory/1608-1-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

memory/1608-5-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

memory/1608-4-0x0000000004D00000-0x0000000004D01000-memory.dmp

memory/1608-6-0x0000000000360000-0x000000000080D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-07-01 07:21

Reported

2025-07-01 07:24

Platform

win11-20250610-en

Max time kernel

101s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.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\932670f9c5a3b5128d1c2c495b06feac.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\932670f9c5a3b5128d1c2c495b06feac.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2238466657-712128251-1221219315-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.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\932670f9c5a3b5128d1c2c495b06feac.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\932670f9c5a3b5128d1c2c495b06feac.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.exe

"C:\Users\Admin\AppData\Local\Temp\932670f9c5a3b5128d1c2c495b06feac.exe"

Network

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

Files

memory/5688-0-0x0000000000B30000-0x0000000000FDD000-memory.dmp

memory/5688-1-0x00000000051C0000-0x00000000051C1000-memory.dmp

memory/5688-4-0x0000000005210000-0x0000000005211000-memory.dmp

memory/5688-5-0x00000000051E0000-0x00000000051E1000-memory.dmp

memory/5688-6-0x00000000051D0000-0x00000000051D1000-memory.dmp

memory/5688-7-0x0000000000B30000-0x0000000000FDD000-memory.dmp