Malware Analysis Report

2025-08-11 04:31

Sample ID 250115-twcr3sxraz
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 family

Suspicious use of NtCreateUserProcessOtherParentProcess

Lumma Stealer, LummaC

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-15 16:24

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-15 16:24

Reported

2025-01-15 16:26

Platform

win7-20241010-en

Max time kernel

19s

Max time network

18s

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 2108 -s 1728

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/2108-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

memory/2108-1-0x0000000000A80000-0x0000000000B5A000-memory.dmp

memory/2108-2-0x0000000074D40000-0x000000007542E000-memory.dmp

memory/2108-3-0x00000000003F0000-0x00000000003F8000-memory.dmp

memory/2108-4-0x00000000004F0000-0x00000000004F6000-memory.dmp

memory/2108-5-0x00000000063E0000-0x0000000006508000-memory.dmp

memory/2108-6-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-21-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-35-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-33-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-32-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-29-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-27-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-25-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-23-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-19-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-17-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-15-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-13-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-11-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-9-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-7-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-43-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-69-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-67-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-65-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-63-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-62-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-59-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-58-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-55-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-53-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-51-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-49-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-47-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-45-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-41-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-39-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-37-0x00000000063E0000-0x0000000006502000-memory.dmp

memory/2108-1328-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

memory/2108-1329-0x0000000074D40000-0x000000007542E000-memory.dmp

memory/2108-1330-0x0000000074D40000-0x000000007542E000-memory.dmp

memory/2108-1331-0x00000000053C0000-0x0000000005442000-memory.dmp

memory/2108-1332-0x0000000005B80000-0x0000000005C00000-memory.dmp

memory/2108-1333-0x0000000004F30000-0x0000000004F7C000-memory.dmp

memory/2108-1335-0x0000000004FF0000-0x0000000005044000-memory.dmp

memory/2108-1334-0x0000000074D40000-0x000000007542E000-memory.dmp

memory/2108-1336-0x0000000074D40000-0x000000007542E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-15 16:24

Reported

2025-01-15 16:26

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

143s

Command Line

C:\Windows\Explorer.EXE

Signatures

Lumma Stealer, LummaC

stealer lumma

Lumma family

lumma

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 2836 created 3428 N/A C:\Users\Admin\AppData\Local\Temp\lummm_lzmb.exe C:\Windows\Explorer.EXE

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2836 set thread context of 2384 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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
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 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 33.78.21.104.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.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 8.8.8.8:53 165.67.21.104.in-addr.arpa 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 8.8.8.8:53 155.143.214.23.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 86.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/2836-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

memory/2836-1-0x0000000000560000-0x000000000063A000-memory.dmp

memory/2836-2-0x0000000074CA0000-0x0000000075450000-memory.dmp

memory/2836-3-0x0000000004F30000-0x0000000004F38000-memory.dmp

memory/2836-4-0x0000000004FF0000-0x0000000004FF6000-memory.dmp

memory/2836-5-0x0000000006190000-0x00000000062B8000-memory.dmp

memory/2836-6-0x00000000068B0000-0x0000000006E54000-memory.dmp

memory/2836-7-0x0000000006400000-0x0000000006492000-memory.dmp

memory/2836-27-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-9-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-41-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-51-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-69-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-67-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-65-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-63-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-61-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-59-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-57-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-55-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-49-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-47-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-45-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-44-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-39-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-71-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-53-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-37-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-35-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-34-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-31-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-29-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-25-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-23-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-21-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-19-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-17-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-15-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-13-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-11-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-8-0x0000000006190000-0x00000000062B2000-memory.dmp

memory/2836-1330-0x0000000074CA0000-0x0000000075450000-memory.dmp

memory/2836-1331-0x00000000064A0000-0x0000000006522000-memory.dmp

memory/2836-1332-0x0000000006520000-0x00000000065A0000-memory.dmp

memory/2836-1333-0x0000000006650000-0x000000000669C000-memory.dmp

memory/2836-1334-0x0000000006800000-0x0000000006854000-memory.dmp

memory/2836-1335-0x0000000074CA0000-0x0000000075450000-memory.dmp

memory/2836-1339-0x0000000074CA0000-0x0000000075450000-memory.dmp

memory/2836-1346-0x0000000074CA0000-0x0000000075450000-memory.dmp

memory/2384-1349-0x0000000000400000-0x0000000000457000-memory.dmp

memory/2836-1342-0x0000000074CA0000-0x0000000075450000-memory.dmp

memory/2836-1341-0x0000000074CA0000-0x0000000075450000-memory.dmp

memory/2836-1347-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

memory/2836-1348-0x0000000074CA0000-0x0000000075450000-memory.dmp