Malware Analysis Report

2024-11-15 08:44

Sample ID 240510-cenpkscd2x
Target e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe
SHA256 e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c
Tags
zgrat rat spyware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c

Threat Level: Known bad

The file e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe was found to be: Known bad.

Malicious Activity Summary

zgrat rat spyware

Detect ZGRat V1

Detects executables packed with unregistered version of .NET Reactor

ZGRat

Zgrat family

Detects executables packed with unregistered version of .NET Reactor

Loads dropped DLL

.NET Reactor proctector

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 01:59

Signatures

Detect ZGRat V1

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

Detects executables packed with unregistered version of .NET Reactor

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 01:59

Reported

2024-05-10 02:02

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe"

Signatures

Detect ZGRat V1

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

ZGRat

rat zgrat

Detects executables packed with unregistered version of .NET Reactor

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

.NET Reactor proctector

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

Processes

C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe

"C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 560

Network

N/A

Files

memory/2884-0-0x000000007447E000-0x000000007447F000-memory.dmp

memory/2884-1-0x0000000000170000-0x00000000005EA000-memory.dmp

memory/2884-2-0x000000007447E000-0x000000007447F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 01:59

Reported

2024-05-10 02:02

Platform

win10v2004-20240508-en

Max time kernel

95s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe"

Signatures

Detect ZGRat V1

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

ZGRat

rat zgrat

Detects executables packed with unregistered version of .NET Reactor

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

.NET Reactor proctector

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

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 960 set thread context of 5052 N/A C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 960 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 960 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 960 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 960 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 960 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 960 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 960 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 960 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe

"C:\Users\Admin\AppData\Local\Temp\e84cad4f234445a47bf803591ac168031558e9215ba714c2197fe75b5188aa1c.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 960 -ip 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 960 -s 984

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
RU 5.42.65.67:48396 tcp
US 8.8.8.8:53 67.65.42.5.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 57.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/960-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

memory/960-1-0x0000000000B90000-0x000000000100A000-memory.dmp

memory/960-2-0x0000000005A30000-0x0000000005ACC000-memory.dmp

memory/960-3-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/960-4-0x0000000005B40000-0x0000000005CD2000-memory.dmp

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

MD5 544cd51a596619b78e9b54b70088307d
SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

memory/960-10-0x0000000006120000-0x0000000006130000-memory.dmp

memory/960-11-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/960-12-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/960-13-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/960-14-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/5052-15-0x0000000000400000-0x000000000046E000-memory.dmp

memory/960-16-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/960-18-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/960-19-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/5052-20-0x0000000005660000-0x0000000005C04000-memory.dmp

memory/5052-21-0x0000000004EB0000-0x0000000004F42000-memory.dmp

memory/5052-22-0x0000000002A50000-0x0000000002A5A000-memory.dmp

memory/5052-23-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/960-24-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/5052-25-0x00000000086D0000-0x0000000008CE8000-memory.dmp

memory/5052-26-0x0000000008210000-0x000000000831A000-memory.dmp

memory/5052-27-0x0000000008150000-0x0000000008162000-memory.dmp

memory/5052-28-0x00000000081B0000-0x00000000081EC000-memory.dmp

memory/5052-29-0x0000000008320000-0x000000000836C000-memory.dmp

memory/5052-30-0x00000000084A0000-0x0000000008506000-memory.dmp

memory/5052-31-0x0000000008DF0000-0x0000000008E66000-memory.dmp

memory/5052-32-0x0000000008680000-0x000000000869E000-memory.dmp

memory/5052-33-0x0000000009AB0000-0x0000000009C72000-memory.dmp

memory/5052-34-0x000000000A1B0000-0x000000000A6DC000-memory.dmp

memory/5052-36-0x0000000074A50000-0x0000000075200000-memory.dmp