Malware Analysis Report

2024-11-30 05:18

Sample ID 240709-xaqzcsyejr
Target Loader.exe
SHA256 fa7c889816a23be0866e921876a0c343f5aec6376396bbcb566e3c94d24fcda9
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fa7c889816a23be0866e921876a0c343f5aec6376396bbcb566e3c94d24fcda9

Threat Level: Known bad

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

Malicious Activity Summary

lumma discovery spyware stealer

Lumma Stealer

Reads user/profile data of web browsers

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-09 18:39

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-09 18:39

Reported

2024-07-09 18:40

Platform

win10v2004-20240709-en

Max time kernel

19s

Max time network

22s

Command Line

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

Signatures

Lumma Stealer

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 692 set thread context of 4996 N/A C:\Users\Admin\AppData\Local\Temp\Loader.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 bitchsafettyudjwu.shop udp
US 104.21.27.50:443 bitchsafettyudjwu.shop tcp
US 104.21.27.50:443 bitchsafettyudjwu.shop tcp
US 104.21.27.50:443 bitchsafettyudjwu.shop tcp
US 8.8.8.8:53 50.27.21.104.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 104.21.27.50:443 bitchsafettyudjwu.shop tcp
US 104.21.27.50:443 bitchsafettyudjwu.shop tcp
US 104.21.27.50:443 bitchsafettyudjwu.shop tcp

Files

memory/692-0-0x0000000001060000-0x0000000001061000-memory.dmp

memory/4996-1-0x0000000000400000-0x0000000000452000-memory.dmp

memory/4996-3-0x0000000000400000-0x0000000000452000-memory.dmp

memory/4996-4-0x0000000000400000-0x0000000000452000-memory.dmp

memory/4996-5-0x0000000000400000-0x0000000000452000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-09 18:39

Reported

2024-07-09 18:40

Platform

win7-20240705-en

Max time kernel

0s

Max time network

4s

Command Line

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

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2452 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\Loader.exe C:\Windows\SysWOW64\WerFault.exe
PID 2452 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\Loader.exe C:\Windows\SysWOW64\WerFault.exe
PID 2452 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\Loader.exe C:\Windows\SysWOW64\WerFault.exe
PID 2452 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\Loader.exe C:\Windows\SysWOW64\WerFault.exe

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 112

Network

N/A

Files

memory/2452-0-0x00000000000F0000-0x00000000000F1000-memory.dmp