Malware Analysis Report

2024-11-30 20:05

Sample ID 240508-317bxsfa6s
Target deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1
SHA256 deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1
Tags
zgrat rat 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

deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1

Threat Level: Known bad

The file deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1 was found to be: Known bad.

Malicious Activity Summary

zgrat rat lumma stealer

Lumma Stealer

Detect ZGRat V1

Zgrat family

ZGRat

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-08 23:59

Signatures

Detect ZGRat V1

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

Zgrat family

zgrat

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 23:59

Reported

2024-05-09 00:04

Platform

win7-20240508-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe"

Signatures

Detect ZGRat V1

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

ZGRat

rat zgrat

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1936 set thread context of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1936 wrote to memory of 2084 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe

"C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe"

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

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

Network

N/A

Files

memory/1936-0-0x000000007407E000-0x000000007407F000-memory.dmp

memory/1936-1-0x0000000000390000-0x000000000040A000-memory.dmp

memory/1936-2-0x0000000074070000-0x000000007475E000-memory.dmp

memory/1936-5-0x0000000074070000-0x000000007475E000-memory.dmp

memory/2084-18-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2084-15-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2084-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2084-12-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2084-11-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2084-10-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2084-8-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2084-6-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2084-19-0x0000000000400000-0x000000000045C000-memory.dmp

memory/1936-20-0x0000000074070000-0x000000007475E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 23:59

Reported

2024-05-09 00:04

Platform

win10-20240404-en

Max time kernel

195s

Max time network

299s

Command Line

"C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe"

Signatures

Detect ZGRat V1

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

Lumma Stealer

stealer lumma

ZGRat

rat zgrat

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5032 set thread context of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5032 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 5032 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 5032 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 5032 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 5032 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 5032 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 5032 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 5032 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 5032 wrote to memory of 4924 N/A C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.exe

"C:\Users\Admin\AppData\Local\Temp\deaf3e009a0a9df61e84c2befdb5db10599f47c03fbdefbbdce83aac3a969cd1.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 miniaturefinerninewjs.shop udp
US 104.21.30.191:443 miniaturefinerninewjs.shop tcp
US 8.8.8.8:53 191.30.21.104.in-addr.arpa udp
US 8.8.8.8:53 acceptabledcooeprs.shop udp
US 172.67.180.137:443 acceptabledcooeprs.shop tcp
US 8.8.8.8:53 obsceneclassyjuwks.shop udp
US 8.8.8.8:53 137.180.67.172.in-addr.arpa udp
US 172.67.192.5:443 obsceneclassyjuwks.shop tcp
US 8.8.8.8:53 zippyfinickysofwps.shop udp
US 172.67.148.231:443 zippyfinickysofwps.shop tcp
US 8.8.8.8:53 plaintediousidowsko.shop udp
US 104.21.53.146:443 plaintediousidowsko.shop tcp
US 8.8.8.8:53 231.148.67.172.in-addr.arpa udp
US 8.8.8.8:53 5.192.67.172.in-addr.arpa udp
US 8.8.8.8:53 sweetsquarediaslw.shop udp
US 104.21.44.201:443 sweetsquarediaslw.shop tcp
US 8.8.8.8:53 holicisticscrarws.shop udp
US 172.67.183.72:443 holicisticscrarws.shop tcp
US 8.8.8.8:53 boredimperissvieos.shop udp
US 172.67.186.30:443 boredimperissvieos.shop tcp
US 8.8.8.8:53 146.53.21.104.in-addr.arpa udp
US 8.8.8.8:53 201.44.21.104.in-addr.arpa udp
US 8.8.8.8:53 72.183.67.172.in-addr.arpa udp
US 8.8.8.8:53 30.186.67.172.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 17.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp

Files

memory/5032-0-0x000000007370E000-0x000000007370F000-memory.dmp

memory/5032-1-0x0000000000210000-0x000000000028A000-memory.dmp

memory/5032-2-0x0000000073700000-0x0000000073DEE000-memory.dmp

memory/4924-5-0x0000000000400000-0x000000000045C000-memory.dmp

memory/5032-11-0x0000000073700000-0x0000000073DEE000-memory.dmp

memory/5032-10-0x0000000073700000-0x0000000073DEE000-memory.dmp

memory/4924-12-0x0000000000400000-0x000000000045C000-memory.dmp

memory/4924-9-0x0000000000400000-0x000000000045C000-memory.dmp

memory/5032-13-0x0000000073700000-0x0000000073DEE000-memory.dmp