Malware Analysis Report

2025-08-11 04:31

Sample ID 250115-t4s42azlhm
Target lummm_lzmb.exe
SHA256 06384a97225d303a36c0fe0bc6f49e6d03dce0bc5f437ae8ac8a4a432ff68b61
Tags
discovery lumma 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

06384a97225d303a36c0fe0bc6f49e6d03dce0bc5f437ae8ac8a4a432ff68b61

Threat Level: Known bad

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

Malicious Activity Summary

discovery lumma stealer

Lumma Stealer, LummaC

Lumma family

Suspicious use of NtCreateUserProcessOtherParentProcess

Suspicious use of SetThreadContext

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-15 16:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-15 16:37

Reported

2025-01-15 16:39

Platform

win7-20241010-en

Max time kernel

120s

Max time network

125s

Command Line

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

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\lummm_lzmb.exe

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\lummm_lzmb.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2892 -s 1720

Network

Country Destination Domain Proto
US 8.8.8.8:53 u1.grapplereturnunstamped.shop udp
US 104.21.78.33:443 u1.grapplereturnunstamped.shop tcp

Files

memory/2892-0-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

memory/2892-1-0x0000000000A50000-0x0000000000B2A000-memory.dmp

memory/2892-2-0x0000000073DC0000-0x00000000744AE000-memory.dmp

memory/2892-3-0x0000000000300000-0x0000000000308000-memory.dmp

memory/2892-4-0x0000000000350000-0x0000000000356000-memory.dmp

memory/2892-5-0x0000000006390000-0x00000000064B8000-memory.dmp

memory/2892-8-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-17-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-6-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-9-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-11-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-13-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-15-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-19-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-23-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-25-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-21-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-27-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-29-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-31-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-33-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-35-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-41-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-49-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-59-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-61-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-37-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-69-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-67-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-1328-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

memory/2892-65-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-63-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-57-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-55-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-1329-0x0000000073DC0000-0x00000000744AE000-memory.dmp

memory/2892-53-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-51-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-47-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-45-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-43-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-39-0x0000000006390000-0x00000000064B2000-memory.dmp

memory/2892-1330-0x0000000073DC0000-0x00000000744AE000-memory.dmp

memory/2892-1332-0x0000000005EA0000-0x0000000005F20000-memory.dmp

memory/2892-1331-0x00000000055F0000-0x0000000005672000-memory.dmp

memory/2892-1333-0x0000000004A20000-0x0000000004A6C000-memory.dmp

memory/2892-1334-0x0000000073DC0000-0x00000000744AE000-memory.dmp

memory/2892-1335-0x0000000005670000-0x00000000056C4000-memory.dmp

memory/2892-1336-0x0000000073DC0000-0x00000000744AE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-15 16:37

Reported

2025-01-15 16:39

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

144s

Command Line

C:\Windows\Explorer.EXE

Signatures

Lumma Stealer, LummaC

stealer lumma

Lumma family

lumma

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4452 created 3488 N/A C:\Users\Admin\AppData\Local\Temp\lummm_lzmb.exe C:\Windows\Explorer.EXE

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4452 set thread context of 2680 N/A C:\Users\Admin\AppData\Local\Temp\lummm_lzmb.exe C:\Users\Admin\AppData\Local\Temp\lummm_lzmb.exe

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\lummm_lzmb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\lummm_lzmb.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 u1.grapplereturnunstamped.shop udp
US 104.21.78.33:443 u1.grapplereturnunstamped.shop tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 33.78.21.104.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 167.173.78.104.in-addr.arpa udp
US 8.8.8.8:53 burnressert.shop udp
US 104.21.67.165:443 burnressert.shop tcp
US 8.8.8.8:53 bloodyswif.lat udp
US 8.8.8.8:53 washyceehsu.lat udp
US 8.8.8.8:53 leggelatez.lat udp
US 8.8.8.8:53 miniatureyu.lat udp
US 8.8.8.8:53 kickykiduz.lat udp
US 8.8.8.8:53 savorraiykj.lat udp
US 8.8.8.8:53 shoefeatthe.lat udp
US 8.8.8.8:53 finickypwk.lat udp
US 8.8.8.8:53 steamcommunity.com udp
GB 23.214.143.155:443 steamcommunity.com tcp
US 8.8.8.8:53 165.67.21.104.in-addr.arpa udp
US 8.8.8.8:53 155.143.214.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/4452-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

memory/4452-1-0x0000000000610000-0x00000000006EA000-memory.dmp

memory/4452-2-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/4452-3-0x0000000004FE0000-0x0000000004FE8000-memory.dmp

memory/4452-4-0x00000000052B0000-0x00000000052B6000-memory.dmp

memory/4452-5-0x0000000006240000-0x0000000006368000-memory.dmp

memory/4452-6-0x0000000006960000-0x0000000006F04000-memory.dmp

memory/4452-7-0x00000000064B0000-0x0000000006542000-memory.dmp

memory/4452-8-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-19-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-69-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-71-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-67-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-65-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-63-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-61-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-59-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-55-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-53-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-51-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-49-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-47-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-45-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-57-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-43-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-41-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-37-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-35-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-33-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-32-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-29-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-27-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-25-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-21-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-17-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-15-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-13-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-11-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-9-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-39-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-23-0x0000000006240000-0x0000000006362000-memory.dmp

memory/4452-1330-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/4452-1331-0x0000000006650000-0x00000000066D2000-memory.dmp

memory/4452-1332-0x00000000066D0000-0x0000000006750000-memory.dmp

memory/4452-1333-0x0000000006900000-0x000000000694C000-memory.dmp

memory/4452-1334-0x0000000006F60000-0x0000000006FB4000-memory.dmp

memory/4452-1335-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/4452-1339-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/4452-1340-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/4452-1344-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

memory/4452-1342-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/4452-1352-0x0000000074EA0000-0x0000000075650000-memory.dmp

memory/4452-1353-0x0000000074EA0000-0x0000000075650000-memory.dmp