Malware Analysis Report

2024-11-15 06:22

Sample ID 240525-k1t3gscf22
Target CFXBypass.exe
SHA256 f5f14b9073f86da926a8ed319b3289b893442414d1511e45177f6915fb4e5478
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

f5f14b9073f86da926a8ed319b3289b893442414d1511e45177f6915fb4e5478

Threat Level: Known bad

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

Malicious Activity Summary

lumma stealer

Lumma Stealer

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-25 09:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-25 09:04

Reported

2024-05-25 09:05

Platform

win7-20240221-en

Max time kernel

20s

Max time network

15s

Command Line

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

Signatures

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 128

Network

N/A

Files

memory/1908-0-0x0000000000270000-0x00000000002BB000-memory.dmp

memory/1908-5-0x00000000000E0000-0x00000000000E1000-memory.dmp

memory/1908-6-0x0000000000270000-0x00000000002BB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-25 09:04

Reported

2024-05-25 09:07

Platform

win10v2004-20240426-en

Max time kernel

133s

Max time network

102s

Command Line

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

Signatures

Lumma Stealer

stealer lumma

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 sideindexfollowragelrew.pw udp
US 8.8.8.8:53 cleartotalfisherwo.shop udp
US 104.21.72.132:443 cleartotalfisherwo.shop tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 132.72.21.104.in-addr.arpa udp
US 8.8.8.8:53 worryfillvolcawoi.shop udp
US 172.67.199.191:443 worryfillvolcawoi.shop tcp
US 8.8.8.8:53 enthusiasimtitleow.shop udp
US 8.8.8.8:53 g.bing.com udp
US 172.67.183.226:443 enthusiasimtitleow.shop tcp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 dismissalcylinderhostw.shop udp
US 8.8.8.8:53 191.199.67.172.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 226.183.67.172.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 172.67.205.132:443 dismissalcylinderhostw.shop tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 affordcharmcropwo.shop udp
US 172.67.181.34:443 affordcharmcropwo.shop tcp
US 8.8.8.8:53 diskretainvigorousiw.shop udp
US 104.21.23.143:443 diskretainvigorousiw.shop tcp
US 8.8.8.8:53 132.205.67.172.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 34.181.67.172.in-addr.arpa udp
US 8.8.8.8:53 143.23.21.104.in-addr.arpa udp
US 8.8.8.8:53 communicationgenerwo.shop udp
US 172.67.166.251:443 communicationgenerwo.shop tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 pillowbrocccolipe.shop udp
US 172.67.144.218:443 pillowbrocccolipe.shop tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 251.166.67.172.in-addr.arpa udp
US 8.8.8.8:53 218.144.67.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/2260-0-0x00000000005A0000-0x00000000005EB000-memory.dmp

memory/2260-10-0x0000000000610000-0x0000000000611000-memory.dmp

memory/2260-9-0x0000000000610000-0x0000000000611000-memory.dmp

memory/2260-8-0x0000000000610000-0x0000000000611000-memory.dmp

memory/2260-7-0x0000000000610000-0x0000000000611000-memory.dmp

memory/2260-6-0x0000000000610000-0x0000000000611000-memory.dmp

memory/2260-5-0x0000000000610000-0x0000000000611000-memory.dmp

memory/2260-11-0x00000000005A0000-0x00000000005EB000-memory.dmp