Malware Analysis Report

2025-06-15 19:52

Sample ID 240114-2b3f1aecg4
Target b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553
SHA256 b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553
Tags
lumma zgrat rat stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553

Threat Level: Known bad

The file b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553 was found to be: Known bad.

Malicious Activity Summary

lumma zgrat rat stealer

Zgrat family

ZGRat

Detect ZGRat V1

Lumma Stealer

.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

2024-01-14 22:25

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: behavioral2

Detonation Overview

Submitted

2024-01-14 22:25

Reported

2024-01-14 22:30

Platform

win10-20231215-en

Max time kernel

288s

Max time network

300s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.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 4768 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4768 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4768 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4768 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4768 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4768 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4768 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4768 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 4768 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe

"C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 1036

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 2260 -s 924

Network

Country Destination Domain Proto
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp
US 8.8.8.8:53 quitcabinshiffers.site udp
US 172.67.219.41:443 quitcabinshiffers.site tcp
US 8.8.8.8:53 goddirtybrilliancece.fun udp
US 172.67.204.58:443 goddirtybrilliancece.fun tcp
US 8.8.8.8:53 41.219.67.172.in-addr.arpa udp
US 8.8.8.8:53 129.134.221.88.in-addr.arpa udp
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 90.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp

Files

memory/4768-1-0x0000000073DD0000-0x00000000744BE000-memory.dmp

memory/4768-0-0x0000000000AF0000-0x0000000000EDE000-memory.dmp

memory/4768-2-0x00000000057C0000-0x000000000585C000-memory.dmp

memory/4768-3-0x0000000073DD0000-0x00000000744BE000-memory.dmp

memory/4768-4-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-5-0x0000000005BD0000-0x0000000005DF4000-memory.dmp

memory/4768-6-0x0000000006F20000-0x00000000070B2000-memory.dmp

memory/4768-14-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-15-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-18-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-17-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-16-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-13-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-12-0x00000000031F0000-0x0000000003200000-memory.dmp

memory/2260-25-0x0000000000400000-0x0000000000497000-memory.dmp

memory/2260-28-0x0000000002EA0000-0x0000000002EE0000-memory.dmp

memory/2260-27-0x0000000002EA0000-0x0000000002EE0000-memory.dmp

memory/2260-26-0x0000000000400000-0x0000000000497000-memory.dmp

memory/2260-22-0x0000000000400000-0x0000000000497000-memory.dmp

memory/4768-21-0x0000000007470000-0x0000000007570000-memory.dmp

memory/4768-20-0x0000000007470000-0x0000000007570000-memory.dmp

memory/4768-19-0x0000000007470000-0x0000000007570000-memory.dmp

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

MD5 697e46249d6ee9bb65ca0e41583b10bb
SHA1 f46fdb7d6e9f58d98e7c607e1e83faf1cf8ffe29
SHA256 581847bdd3f65b93cd40326e31ed0d82148d26f6644de04c00d5df8a66a1864e
SHA512 275cfbebbd183faafa8c90d18f3feacffebf102df5ecea95af8643b238daec347dd67f0fcd47288f18366ccb4a3a647bce2140ed288df89014dd3c23a944c711

memory/2260-29-0x0000000000400000-0x0000000000497000-memory.dmp

memory/4768-30-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-31-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-32-0x0000000005750000-0x0000000005760000-memory.dmp

memory/4768-33-0x0000000007470000-0x0000000007570000-memory.dmp

memory/4768-34-0x0000000007470000-0x0000000007570000-memory.dmp

memory/4768-35-0x0000000007470000-0x0000000007570000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-14 22:25

Reported

2024-01-14 22:30

Platform

win7-20231215-en

Max time kernel

120s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.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 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 836 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.exe

"C:\Users\Admin\AppData\Local\Temp\b852a910668d96c99c4871a22e8f12f83c120949e2db5a2daf4123dff6929553.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/836-1-0x0000000074040000-0x000000007472E000-memory.dmp

memory/836-0-0x0000000000D20000-0x000000000110E000-memory.dmp

memory/836-2-0x0000000074040000-0x000000007472E000-memory.dmp

memory/836-3-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/836-4-0x0000000005560000-0x0000000005784000-memory.dmp

memory/836-5-0x00000000068B0000-0x0000000006A42000-memory.dmp

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

MD5 544cd51a596619b78e9b54b70088307d
SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

memory/836-10-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/836-11-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/836-12-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/836-13-0x00000000002D0000-0x00000000002E0000-memory.dmp

memory/836-14-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/836-15-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/836-16-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/836-17-0x0000000006D70000-0x0000000006E70000-memory.dmp

memory/836-19-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/836-18-0x0000000000560000-0x00000000005A0000-memory.dmp

memory/2980-20-0x0000000000400000-0x0000000000497000-memory.dmp

memory/2980-22-0x0000000000400000-0x0000000000497000-memory.dmp

memory/2980-24-0x0000000000400000-0x0000000000497000-memory.dmp

memory/2980-26-0x0000000000400000-0x0000000000497000-memory.dmp

memory/2980-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2980-28-0x0000000000400000-0x0000000000497000-memory.dmp

memory/2980-31-0x0000000000400000-0x0000000000497000-memory.dmp

memory/2980-34-0x0000000000400000-0x0000000000497000-memory.dmp

memory/836-33-0x0000000074040000-0x000000007472E000-memory.dmp

memory/2980-35-0x0000000000401000-0x000000000045D000-memory.dmp