Malware Analysis Report

2024-12-07 03:12

Sample ID 241113-s5bqpstqdz
Target burgi.zip
SHA256 a957d1771b68229a4203e07eac0a0ed10895d95e5bc1b5b4f8d2c521a069c004
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

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

a957d1771b68229a4203e07eac0a0ed10895d95e5bc1b5b4f8d2c521a069c004

Threat Level: Known bad

The file burgi.zip was found to be: Known bad.

Malicious Activity Summary

lumma discovery spyware stealer

Lumma Stealer, LummaC

Lumma family

Reads user/profile data of web browsers

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Unsigned PE

Program crash

Browser Information Discovery

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 15:42

Signatures

Unsigned PE

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

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-13 15:42

Reported

2024-11-13 15:44

Platform

win7-20241023-en

Max time kernel

121s

Max time network

123s

Command Line

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

Signatures

Lumma Stealer, LummaC

stealer lumma

Lumma family

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

Browser Information Discovery

discovery

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\cr.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 rel1gitiger.cyou udp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 172.67.168.162:443 rel1gitiger.cyou tcp

Files

memory/2272-4-0x00000000001B0000-0x0000000000208000-memory.dmp

memory/2272-3-0x00000000001B0000-0x0000000000208000-memory.dmp

memory/2272-2-0x00000000001B0000-0x0000000000208000-memory.dmp

memory/2272-1-0x000000007740F000-0x0000000077410000-memory.dmp

memory/2272-0-0x00000000001B0000-0x0000000000208000-memory.dmp

memory/2272-5-0x0000000001370000-0x00000000015D2000-memory.dmp

memory/2272-7-0x00000000001B0000-0x0000000000208000-memory.dmp

memory/2272-6-0x00000000744C0000-0x00000000747FB000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-13 15:42

Reported

2024-11-13 15:44

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

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

Signatures

Lumma Stealer, LummaC

stealer lumma

Lumma family

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

Browser Information Discovery

discovery

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\cr.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cr.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 rel1gitiger.cyou udp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 8.8.8.8:53 162.168.67.172.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 172.67.168.162:443 rel1gitiger.cyou tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/4360-0-0x0000000077C92000-0x0000000077C93000-memory.dmp

memory/4360-1-0x0000000000CD0000-0x0000000000D28000-memory.dmp

memory/4360-2-0x0000000000CD0000-0x0000000000D28000-memory.dmp

memory/4360-3-0x0000000000CD0000-0x0000000000D28000-memory.dmp

memory/4360-4-0x0000000000CD0000-0x0000000000D28000-memory.dmp

memory/4360-5-0x0000000000F60000-0x00000000011C2000-memory.dmp

memory/4360-7-0x0000000000CD0000-0x0000000000D28000-memory.dmp

memory/4360-6-0x00000000750F0000-0x000000007542B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 15:42

Reported

2024-11-13 15:44

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 244

Network

N/A

Files

memory/2664-0-0x0000000074D70000-0x00000000750AB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 15:42

Reported

2024-11-13 15:44

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3692 wrote to memory of 2916 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3692 wrote to memory of 2916 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3692 wrote to memory of 2916 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\cr.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2916 -ip 2916

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 740

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 107.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2916-0-0x0000000077762000-0x0000000077763000-memory.dmp

memory/2916-1-0x0000000074E90000-0x00000000751CB000-memory.dmp