Malware Analysis Report

2024-11-15 06:25

Sample ID 240706-d4enmsxcnf
Target efc76b9581da08661c9c91c2a6e7d289.bin
SHA256 57340333fcf17e052d3b1b914593f080453234a640d03f327565bae605dcc7be
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

57340333fcf17e052d3b1b914593f080453234a640d03f327565bae605dcc7be

Threat Level: Known bad

The file efc76b9581da08661c9c91c2a6e7d289.bin 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

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-06 03:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-06 03:33

Reported

2024-07-06 03:55

Platform

win7-20240508-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe

"C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 96

Network

N/A

Files

memory/2444-0-0x00000000000F0000-0x00000000000F1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-06 03:33

Reported

2024-07-06 03:56

Platform

win10v2004-20240704-en

Max time kernel

92s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.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 432 set thread context of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 432 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 432 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 432 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 432 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 432 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 432 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 432 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 432 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 432 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe

"C:\Users\Admin\AppData\Local\Temp\85356bb669ec17503e48ca457e99347f5386ba644fba9d638d4188a7b4970153.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 432 -ip 432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 308

Network

Country Destination Domain Proto
US 8.8.8.8:53 bitchsafettyudjwu.shop udp
US 172.67.168.236:443 bitchsafettyudjwu.shop tcp
US 172.67.168.236:443 bitchsafettyudjwu.shop tcp
US 172.67.168.236:443 bitchsafettyudjwu.shop tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 236.168.67.172.in-addr.arpa udp
US 172.67.168.236:443 bitchsafettyudjwu.shop tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 172.67.168.236:443 bitchsafettyudjwu.shop tcp
US 172.67.168.236:443 bitchsafettyudjwu.shop tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp

Files

memory/432-0-0x0000000001330000-0x0000000001331000-memory.dmp

memory/3576-1-0x0000000000400000-0x0000000000456000-memory.dmp

memory/3576-3-0x0000000000400000-0x0000000000456000-memory.dmp

memory/3576-4-0x0000000000400000-0x0000000000456000-memory.dmp

memory/3576-5-0x0000000000400000-0x0000000000456000-memory.dmp