Malware Analysis Report

2025-05-06 01:12

Sample ID 241109-z4yx6svper
Target c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN
SHA256 c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26e
Tags
lumma discovery 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

c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26e

Threat Level: Known bad

The file c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN was found to be: Known bad.

Malicious Activity Summary

lumma discovery stealer

Lumma Stealer, LummaC

Lumma family

Suspicious use of SetThreadContext

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 21:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 21:16

Reported

2024-11-09 21:19

Platform

win7-20240903-en

Max time kernel

16s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe"

Signatures

Lumma Stealer, LummaC

stealer lumma

Lumma family

lumma

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1812 set thread context of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 300 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1812 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\SysWOW64\WerFault.exe
PID 1812 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\SysWOW64\WerFault.exe
PID 1812 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\SysWOW64\WerFault.exe
PID 1812 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe

"C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 92

Network

Country Destination Domain Proto
US 8.8.8.8:53 soldiefieop.site udp
US 8.8.8.8:53 questionsmw.store udp
US 8.8.8.8:53 abnomalrkmu.site udp
US 8.8.8.8:53 chorusarorp.site udp
US 8.8.8.8:53 treatynreit.site udp
US 8.8.8.8:53 snarlypagowo.site udp
US 8.8.8.8:53 mysterisop.site udp
US 8.8.8.8:53 absorptioniw.site udp
US 8.8.8.8:53 steamcommunity.com udp
GB 104.124.170.33:443 steamcommunity.com tcp
US 8.8.8.8:53 marshal-zhukov.com udp
US 104.21.82.174:443 marshal-zhukov.com tcp

Files

memory/1812-0-0x0000000000C60000-0x0000000000C61000-memory.dmp

memory/300-2-0x0000000000400000-0x0000000000463000-memory.dmp

memory/300-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/300-9-0x0000000000400000-0x0000000000463000-memory.dmp

memory/300-10-0x0000000000400000-0x0000000000463000-memory.dmp

memory/300-5-0x0000000000400000-0x0000000000463000-memory.dmp

memory/300-4-0x0000000000400000-0x0000000000463000-memory.dmp

memory/300-3-0x0000000000400000-0x0000000000463000-memory.dmp

memory/300-1-0x0000000000400000-0x0000000000463000-memory.dmp

memory/300-8-0x0000000000400000-0x0000000000463000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabDC7C.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarDCAE.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 21:16

Reported

2024-11-09 21:19

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe"

Signatures

Lumma Stealer, LummaC

stealer lumma

Lumma family

lumma

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4536 set thread context of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4536 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4536 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4536 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4536 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4536 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4536 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4536 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4536 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4536 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe

"C:\Users\Admin\AppData\Local\Temp\c8f4364ae5522315eca9ce53815654a5f6d3fa7cb0119df3eb49bdb54ee2f26eN.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4536 -ip 4536

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 300

Network

Country Destination Domain Proto
US 8.8.8.8:53 soldiefieop.site udp
US 8.8.8.8:53 questionsmw.store udp
US 8.8.8.8:53 abnomalrkmu.site udp
US 8.8.8.8:53 chorusarorp.site udp
US 8.8.8.8:53 treatynreit.site udp
US 8.8.8.8:53 snarlypagowo.site udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 mysterisop.site udp
US 8.8.8.8:53 absorptioniw.site udp
US 8.8.8.8:53 steamcommunity.com udp
GB 104.124.170.33:443 steamcommunity.com tcp
US 8.8.8.8:53 33.170.124.104.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 marshal-zhukov.com udp
US 172.67.160.80:443 marshal-zhukov.com tcp
US 8.8.8.8:53 80.160.67.172.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 74.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/4536-0-0x0000000000470000-0x0000000000471000-memory.dmp

memory/1992-1-0x0000000000400000-0x0000000000463000-memory.dmp

memory/1992-3-0x0000000000400000-0x0000000000463000-memory.dmp

memory/1992-4-0x0000000000400000-0x0000000000463000-memory.dmp

memory/1992-5-0x0000000000400000-0x0000000000463000-memory.dmp