Malware Analysis Report

2025-06-15 19:52

Sample ID 240114-187asadchk
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

Lumma Stealer

Detect ZGRat V1

Zgrat family

ZGRat

Loads dropped DLL

.NET Reactor proctector

Suspicious use of SetThreadContext

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-14 22:20

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

2024-01-14 22:20

Reported

2024-01-14 22:25

Platform

win7-20231215-en

Max time kernel

119s

Max time network

121s

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 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 1748 wrote to memory of 2800 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

Network

N/A

Files

memory/1748-1-0x0000000074830000-0x0000000074F1E000-memory.dmp

memory/1748-0-0x0000000000AC0000-0x0000000000F7A000-memory.dmp

memory/1748-2-0x0000000074830000-0x0000000074F1E000-memory.dmp

memory/1748-3-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/1748-4-0x0000000006800000-0x0000000006AB0000-memory.dmp

memory/1748-5-0x0000000007D00000-0x0000000007E92000-memory.dmp

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

MD5 48d0bd442e82467d89364d4d50b98ce4
SHA1 54b3b0baa01e962d179f9cbcdfdf0cec80126db1
SHA256 95f06df29d905ae027de20968f24c5c3c56fdf8a9f3c12465100d458533f7b8f
SHA512 9a3f7188b30c1ab46a007a6a4e93a87e45f0e59b60bb466815bda35f53132f726616d5e2284580575ae89d09642f4e21fe50e0e46ba6ca93bf0d0012740643d5

memory/1748-14-0x0000000000280000-0x0000000000290000-memory.dmp

memory/1748-13-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/1748-12-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/1748-11-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/1748-17-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/1748-16-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/1748-15-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/1748-20-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/2800-25-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2800-23-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2800-33-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2800-35-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2800-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2800-29-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2800-36-0x0000000000401000-0x000000000045B000-memory.dmp

memory/2800-27-0x0000000000400000-0x0000000000493000-memory.dmp

memory/2800-21-0x0000000000400000-0x0000000000493000-memory.dmp

memory/1748-19-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/1748-18-0x0000000007E90000-0x0000000007F90000-memory.dmp

memory/1748-10-0x0000000005180000-0x00000000051C0000-memory.dmp

memory/1748-37-0x0000000074830000-0x0000000074F1E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-14 22:20

Reported

2024-01-14 22:25

Platform

win10-20231220-en

Max time kernel

188s

Max time network

301s

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 928 wrote to memory of 4440 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 4440 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 4440 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\528c1d3b8a54484062c610ed5ccc132caced657d241487c87c18c41ae872fed5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 928 wrote to memory of 3332 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\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 3332 -s 932

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 956

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 172.67.204.58:443 goddirtybrilliancece.fun tcp
US 8.8.8.8:53 58.204.67.172.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp

Files

memory/928-0-0x0000000073860000-0x0000000073F4E000-memory.dmp

memory/928-1-0x0000000000720000-0x0000000000BDA000-memory.dmp

memory/928-2-0x0000000005460000-0x00000000054FC000-memory.dmp

memory/928-3-0x0000000073860000-0x0000000073F4E000-memory.dmp

memory/928-4-0x0000000005450000-0x0000000005460000-memory.dmp

memory/928-5-0x0000000006930000-0x0000000006BE0000-memory.dmp

memory/928-6-0x0000000007E30000-0x0000000007FC2000-memory.dmp

memory/928-15-0x0000000004F30000-0x0000000004F40000-memory.dmp

memory/928-14-0x0000000005450000-0x0000000005460000-memory.dmp

memory/928-13-0x0000000005450000-0x0000000005460000-memory.dmp

memory/928-12-0x0000000005450000-0x0000000005460000-memory.dmp

memory/928-16-0x0000000005450000-0x0000000005460000-memory.dmp

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

MD5 544cd51a596619b78e9b54b70088307d
SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

memory/928-18-0x0000000005450000-0x0000000005460000-memory.dmp

memory/928-21-0x0000000008280000-0x0000000008380000-memory.dmp

memory/3332-22-0x0000000000400000-0x0000000000493000-memory.dmp

memory/3332-28-0x0000000000CB0000-0x0000000000CF0000-memory.dmp

memory/3332-30-0x0000000000CB0000-0x0000000000CF0000-memory.dmp

memory/3332-29-0x0000000000CB0000-0x0000000000CF0000-memory.dmp

memory/3332-27-0x0000000000400000-0x0000000000493000-memory.dmp

memory/3332-26-0x0000000000400000-0x0000000000493000-memory.dmp

memory/928-25-0x0000000073860000-0x0000000073F4E000-memory.dmp

memory/928-20-0x0000000008280000-0x0000000008380000-memory.dmp

memory/928-19-0x0000000008280000-0x0000000008380000-memory.dmp

memory/928-17-0x0000000005450000-0x0000000005460000-memory.dmp

memory/3332-31-0x0000000000CB0000-0x0000000000CF0000-memory.dmp

memory/3332-32-0x0000000000CB0000-0x0000000000CF0000-memory.dmp

memory/3332-33-0x0000000000CB0000-0x0000000000CF0000-memory.dmp

memory/3332-34-0x0000000000400000-0x0000000000493000-memory.dmp