Malware Analysis Report

2025-08-05 21:09

Sample ID 241021-qyv5nawbkg
Target installer.exe
SHA256 644b45fa0d076c6a9cfe6a966948085aefadc31ed454fee09cf583b41c7e92eb
Tags
lumma discovery spyware 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

644b45fa0d076c6a9cfe6a966948085aefadc31ed454fee09cf583b41c7e92eb

Threat Level: Known bad

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

Malicious Activity Summary

lumma discovery spyware stealer

Lumma Stealer, LummaC

Reads user/profile data of web browsers

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of SetThreadContext

Browser Information Discovery

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-21 13:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-21 13:40

Reported

2024-10-21 13:43

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

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

Signatures

Lumma Stealer, LummaC

stealer lumma

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2784 set thread context of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe

Browser Information Discovery

discovery

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\installer.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\installer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\installer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe
PID 2784 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Windows\SysWOW64\WerFault.exe
PID 2784 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Windows\SysWOW64\WerFault.exe
PID 2784 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Windows\SysWOW64\WerFault.exe
PID 2784 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Windows\SysWOW64\WerFault.exe

Processes

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

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

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 52

Network

Country Destination Domain Proto
US 8.8.8.8:53 blowwyivot.cfd udp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 172.67.151.179:443 blowwyivot.cfd tcp

Files

memory/2784-0-0x0000000000960000-0x0000000000962000-memory.dmp

memory/2380-2-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2380-8-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2380-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2380-5-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2380-11-0x00000000008E0000-0x000000000096D000-memory.dmp

memory/2380-10-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2380-4-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2380-1-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2380-3-0x0000000000400000-0x0000000000461000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-21 13:40

Reported

2024-10-21 13:43

Platform

win10v2004-20241007-en

Max time kernel

136s

Max time network

123s

Command Line

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

Signatures

Lumma Stealer, LummaC

stealer lumma

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2880 set thread context of 2108 N/A C:\Users\Admin\AppData\Local\Temp\installer.exe C:\Users\Admin\AppData\Local\Temp\installer.exe

Browser Information Discovery

discovery

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\installer.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\installer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\installer.exe N/A

Processes

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

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

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2880 -ip 2880

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 260

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 blowwyivot.cfd udp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 179.151.67.172.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 172.67.151.179:443 blowwyivot.cfd tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 148.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
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 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/2880-0-0x0000000000790000-0x0000000000792000-memory.dmp

memory/2108-1-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2108-3-0x0000000000400000-0x0000000000461000-memory.dmp

memory/2108-4-0x0000000000710000-0x000000000079D000-memory.dmp