Malware Analysis Report

2024-11-13 14:08

Sample ID 240226-zm9y4sfg37
Target file
SHA256 ef798468db36b921f6c2830f5eb95c6e31b5e118f10a0aea9e944960cdf96a16
Tags
lumma stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

ef798468db36b921f6c2830f5eb95c6e31b5e118f10a0aea9e944960cdf96a16

Threat Level: Known bad

The file file was found to be: Known bad.

Malicious Activity Summary

lumma stealer

Lumma Stealer

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-26 20:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-26 20:51

Reported

2024-02-26 20:53

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

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

Signatures

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1284 set thread context of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1284 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1284 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2916 wrote to memory of 2684 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WerFault.exe
PID 2916 wrote to memory of 2684 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WerFault.exe
PID 2916 wrote to memory of 2684 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WerFault.exe
PID 2916 wrote to memory of 2684 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\WerFault.exe

Processes

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

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

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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 -u -p 2916 -s 260

Network

N/A

Files

memory/1284-0-0x0000000000C70000-0x0000000000CC0000-memory.dmp

memory/1284-1-0x0000000073DE0000-0x00000000744CE000-memory.dmp

memory/2916-4-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2916-5-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2916-6-0x0000000000400000-0x0000000000449000-memory.dmp

memory/1284-8-0x00000000021D0000-0x00000000041D0000-memory.dmp

memory/2916-9-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2916-7-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2916-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2916-12-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2916-15-0x0000000000400000-0x0000000000449000-memory.dmp

memory/1284-16-0x0000000073DE0000-0x00000000744CE000-memory.dmp

memory/2916-17-0x0000000000400000-0x0000000000449000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-26 20:51

Reported

2024-02-26 20:53

Platform

win10v2004-20240226-en

Max time kernel

140s

Max time network

147s

Command Line

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

Signatures

Lumma Stealer

stealer lumma

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4016 set thread context of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4016 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4016 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

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

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

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

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

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

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

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 195.233.44.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 healthproline.pro udp
US 204.79.197.200:443 g.bing.com tcp
US 104.21.16.186:443 healthproline.pro tcp
US 8.8.8.8:53 technologyenterdo.shop udp
US 172.67.180.132:443 technologyenterdo.shop tcp
US 8.8.8.8:53 lighterepisodeheighte.fun udp
US 8.8.8.8:53 problemregardybuiwo.fun udp
US 8.8.8.8:53 detectordiscusser.shop udp
US 172.67.195.126:443 detectordiscusser.shop tcp
US 8.8.8.8:53 edurestunningcrackyow.fun udp
US 8.8.8.8:53 pooreveningfuseor.pw udp
US 8.8.8.8:53 turkeyunlikelyofw.shop udp
US 104.21.76.253:443 turkeyunlikelyofw.shop tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 186.16.21.104.in-addr.arpa udp
US 8.8.8.8:53 132.180.67.172.in-addr.arpa udp
US 8.8.8.8:53 126.195.67.172.in-addr.arpa udp
US 8.8.8.8:53 associationokeo.shop udp
US 104.21.10.242:443 associationokeo.shop tcp
US 8.8.8.8:53 253.76.21.104.in-addr.arpa udp
US 8.8.8.8:53 242.10.21.104.in-addr.arpa udp
GB 172.217.169.74:443 tcp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 206.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp

Files

memory/4016-0-0x00000000747D0000-0x0000000074F80000-memory.dmp

memory/4016-1-0x0000000000BA0000-0x0000000000BF0000-memory.dmp

memory/4444-4-0x0000000000400000-0x0000000000449000-memory.dmp

memory/4016-7-0x00000000747D0000-0x0000000074F80000-memory.dmp

memory/4016-8-0x0000000003000000-0x0000000005000000-memory.dmp

memory/4444-10-0x0000000000400000-0x0000000000449000-memory.dmp

memory/4444-11-0x0000000000400000-0x0000000000449000-memory.dmp

memory/4444-13-0x0000000001310000-0x0000000001311000-memory.dmp

memory/4444-12-0x0000000001310000-0x0000000001311000-memory.dmp

memory/4444-14-0x0000000001310000-0x0000000001342000-memory.dmp

memory/4444-15-0x0000000000400000-0x0000000000449000-memory.dmp

memory/4016-16-0x0000000003000000-0x0000000005000000-memory.dmp