Malware Analysis Report

2025-06-15 19:52

Sample ID 240115-fg198safc6
Target 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5
SHA256 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5
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

528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5

Threat Level: Known bad

The file 528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5 was found to be: Known bad.

Malicious Activity Summary

zgrat rat lumma stealer

Detect ZGRat V1

ZGRat

Lumma Stealer

Zgrat family

.NET Reactor proctector

Loads dropped DLL

Suspicious use of SetThreadContext

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-15 04:51

Signatures

Detect ZGRat V1

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

Zgrat family

zgrat

.NET Reactor proctector

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-15 04:51

Reported

2024-01-15 04:56

Platform

win7-20231215-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe"

Signatures

Detect ZGRat V1

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

ZGRat

rat zgrat

.NET Reactor proctector

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2124 wrote to memory of 2592 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2592 wrote to memory of 572 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe C:\Windows\SysWOW64\WerFault.exe
PID 2592 wrote to memory of 572 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe C:\Windows\SysWOW64\WerFault.exe
PID 2592 wrote to memory of 572 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe C:\Windows\SysWOW64\WerFault.exe
PID 2592 wrote to memory of 572 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe

"C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 88

Network

N/A

Files

memory/2124-0-0x0000000000F70000-0x000000000142A000-memory.dmp

memory/2124-1-0x0000000074430000-0x0000000074B1E000-memory.dmp

memory/2124-2-0x0000000074430000-0x0000000074B1E000-memory.dmp

memory/2124-3-0x00000000050C0000-0x0000000005100000-memory.dmp

memory/2124-4-0x0000000006880000-0x0000000006B30000-memory.dmp

memory/2124-5-0x0000000007D80000-0x0000000007F12000-memory.dmp

\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll

MD5 544cd51a596619b78e9b54b70088307d
SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

memory/2124-10-0x00000000050C0000-0x0000000005100000-memory.dmp

memory/2124-11-0x00000000050C0000-0x0000000005100000-memory.dmp

memory/2124-12-0x00000000050C0000-0x0000000005100000-memory.dmp

memory/2124-13-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2124-14-0x00000000050C0000-0x0000000005100000-memory.dmp

memory/2124-16-0x00000000050C0000-0x0000000005100000-memory.dmp

memory/2124-15-0x00000000050C0000-0x0000000005100000-memory.dmp

memory/2124-17-0x0000000008190000-0x0000000008290000-memory.dmp

memory/2124-18-0x00000000050C0000-0x0000000005100000-memory.dmp

memory/2124-19-0x00000000050C0000-0x0000000005100000-memory.dmp

memory/2592-20-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2592-22-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2592-23-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2592-25-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2592-27-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2592-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2592-30-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2124-32-0x0000000074430000-0x0000000074B1E000-memory.dmp

memory/2592-33-0x0000000000400000-0x0000000000493000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-15 04:51

Reported

2024-01-15 04:56

Platform

win10-20231220-en

Max time kernel

287s

Max time network

303s

Command Line

"C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe"

Signatures

Detect ZGRat V1

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

Lumma Stealer

stealer lumma

ZGRat

rat zgrat

.NET Reactor proctector

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4300 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4300 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4300 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4300 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4300 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4300 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4300 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4300 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4300 wrote to memory of 516 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe

"C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 516 -s 884

Network

Country Destination Domain Proto
US 8.8.8.8:53 marblebitchlearneopwas.site udp
US 172.67.203.187:443 marblebitchlearneopwas.site tcp
US 8.8.8.8:53 187.203.67.172.in-addr.arpa udp
US 8.8.8.8:53 goddirtybrilliancece.fun udp
US 104.21.85.88:443 goddirtybrilliancece.fun tcp
US 8.8.8.8:53 88.85.21.104.in-addr.arpa udp
US 8.8.8.8:53 96.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp

Files

memory/4300-0-0x0000000000920000-0x0000000000DDA000-memory.dmp

memory/4300-1-0x0000000073AE0000-0x00000000741CE000-memory.dmp

memory/4300-2-0x0000000005610000-0x00000000056AC000-memory.dmp

memory/4300-3-0x0000000073AE0000-0x00000000741CE000-memory.dmp

memory/4300-4-0x00000000057E0000-0x00000000057F0000-memory.dmp

memory/4300-5-0x0000000006B60000-0x0000000006E10000-memory.dmp

memory/4300-6-0x0000000008060000-0x00000000081F2000-memory.dmp

\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll

MD5 6bce173ee95a79c81ddbb5623d3a8fcd
SHA1 e66f2bcb3ec729c6a52ee9b6fd81ceeda7227909
SHA256 4eb6b13c5807d394028831da5aa7cb5145705a1f33cc4d1feb95ee4fda1a7b42
SHA512 ebc362ff46bb903c0750635e967b8183cb66033e38438c0f58d779516467843c8e074258256a16606998aa21e2c326a7dad005a9d23044a06310647f6f2c73d7

memory/4300-13-0x00000000057E0000-0x00000000057F0000-memory.dmp

memory/4300-18-0x00000000057E0000-0x00000000057F0000-memory.dmp

memory/4300-19-0x0000000008480000-0x0000000008580000-memory.dmp

memory/4300-20-0x0000000008480000-0x0000000008580000-memory.dmp

memory/516-22-0x0000000000400000-0x0000000000493000-memory.dmp

memory/516-25-0x0000000000400000-0x0000000000493000-memory.dmp

memory/516-28-0x00000000005F0000-0x00000000005F1000-memory.dmp

memory/516-27-0x0000000000400000-0x0000000000493000-memory.dmp

memory/4300-26-0x0000000073AE0000-0x00000000741CE000-memory.dmp

memory/4300-21-0x0000000008480000-0x0000000008580000-memory.dmp

memory/4300-17-0x00000000057E0000-0x00000000057F0000-memory.dmp

memory/4300-16-0x00000000057E0000-0x00000000057F0000-memory.dmp

memory/4300-15-0x0000000002F80000-0x0000000002F90000-memory.dmp

memory/4300-14-0x00000000057E0000-0x00000000057F0000-memory.dmp

memory/4300-12-0x00000000057E0000-0x00000000057F0000-memory.dmp