Malware Analysis Report

2024-11-30 02:15

Sample ID 240327-ynv1xaag43
Target instrumentMAIN.exe
SHA256 859f296afcad7531a5e2ee4b5b8346da0d5ac0ba33700804216aa7365920f7cb
Tags
rhadamanthys 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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

859f296afcad7531a5e2ee4b5b8346da0d5ac0ba33700804216aa7365920f7cb

Threat Level: Known bad

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

Malicious Activity Summary

rhadamanthys zgrat rat stealer

Zgrat family

Suspicious use of NtCreateUserProcessOtherParentProcess

Detect ZGRat V1

Rhadamanthys

ZGRat

.NET Reactor proctector

Loads dropped DLL

Suspicious use of SetThreadContext

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-27 19:56

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

2024-03-27 19:56

Reported

2024-03-27 20:11

Platform

win10-20240221-en

Max time kernel

316s

Max time network

392s

Command Line

sihost.exe

Signatures

Detect ZGRat V1

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

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4576 created 2588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe c:\windows\system32\sihost.exe

ZGRat

rat zgrat

.NET Reactor proctector

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3708 set thread context of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3708 wrote to memory of 4576 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 4576 wrote to memory of 4740 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 4576 wrote to memory of 4740 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 4576 wrote to memory of 4740 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 4576 wrote to memory of 4740 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 4576 wrote to memory of 4740 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe

Processes

c:\windows\system32\sihost.exe

sihost.exe

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

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

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

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

C:\Windows\SysWOW64\dialer.exe

"C:\Windows\system32\dialer.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 480

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 143.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp

Files

memory/3708-1-0x0000000000BD0000-0x000000000104C000-memory.dmp

memory/3708-0-0x00000000735D0000-0x0000000073CBE000-memory.dmp

memory/3708-2-0x0000000005870000-0x000000000590C000-memory.dmp

memory/3708-3-0x00000000735D0000-0x0000000073CBE000-memory.dmp

memory/3708-4-0x0000000005920000-0x0000000005930000-memory.dmp

memory/3708-5-0x0000000005BC0000-0x0000000005DB8000-memory.dmp

memory/3708-6-0x0000000006EF0000-0x0000000007082000-memory.dmp

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

MD5 544cd51a596619b78e9b54b70088307d
SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

memory/3708-12-0x0000000005920000-0x0000000005930000-memory.dmp

memory/3708-11-0x0000000005920000-0x0000000005930000-memory.dmp

memory/3708-13-0x0000000003330000-0x0000000003340000-memory.dmp

memory/3708-15-0x0000000005920000-0x0000000005930000-memory.dmp

memory/3708-14-0x0000000005920000-0x0000000005930000-memory.dmp

memory/3708-16-0x00000000075D0000-0x00000000076D0000-memory.dmp

memory/3708-18-0x00000000075D0000-0x00000000076D0000-memory.dmp

memory/3708-17-0x00000000075D0000-0x00000000076D0000-memory.dmp

memory/4576-19-0x0000000000400000-0x000000000046D000-memory.dmp

memory/4576-23-0x0000000000400000-0x000000000046D000-memory.dmp

memory/3708-22-0x00000000735D0000-0x0000000073CBE000-memory.dmp

memory/4576-24-0x0000000000400000-0x000000000046D000-memory.dmp

memory/4576-25-0x00000000040B0000-0x00000000044B0000-memory.dmp

memory/4576-26-0x00000000040B0000-0x00000000044B0000-memory.dmp

memory/4576-27-0x00000000040B0000-0x00000000044B0000-memory.dmp

memory/4576-28-0x00007FF944110000-0x00007FF9442EB000-memory.dmp

memory/4576-30-0x00000000040B0000-0x00000000044B0000-memory.dmp

memory/4576-31-0x0000000076680000-0x0000000076842000-memory.dmp

memory/4740-32-0x0000000000F40000-0x0000000000F49000-memory.dmp

memory/4740-34-0x0000000004E40000-0x0000000005240000-memory.dmp

memory/4740-36-0x00007FF944110000-0x00007FF9442EB000-memory.dmp

memory/4740-35-0x0000000004E40000-0x0000000005240000-memory.dmp

memory/4740-39-0x00007FF944110000-0x00007FF9442EB000-memory.dmp

memory/4740-40-0x0000000076680000-0x0000000076842000-memory.dmp

memory/4740-38-0x0000000004E40000-0x0000000005240000-memory.dmp

memory/4740-41-0x0000000004E40000-0x0000000005240000-memory.dmp

memory/4576-42-0x00000000040B0000-0x00000000044B0000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-27 19:56

Reported

2024-03-27 20:11

Platform

win10v2004-20240226-en

Max time kernel

576s

Max time network

602s

Command Line

sihost.exe

Signatures

Detect ZGRat V1

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

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 60 created 2556 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\system32\sihost.exe

ZGRat

rat zgrat

.NET Reactor proctector

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1704 set thread context of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 1704 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 60 wrote to memory of 4628 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 60 wrote to memory of 4628 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 60 wrote to memory of 4628 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 60 wrote to memory of 4628 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 60 wrote to memory of 4628 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

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

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

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

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

C:\Windows\SysWOW64\dialer.exe

"C:\Windows\system32\dialer.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 60 -ip 60

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 420

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 60 -ip 60

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 428

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 139.138.73.23.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 130.118.77.104.in-addr.arpa udp
US 8.8.8.8:53 23.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 155.138.73.23.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 195.177.78.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 136.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 32.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 25.179.17.96.in-addr.arpa udp

Files

memory/1704-0-0x0000000075060000-0x0000000075810000-memory.dmp

memory/1704-1-0x0000000000880000-0x0000000000CFC000-memory.dmp

memory/1704-2-0x0000000005730000-0x00000000057CC000-memory.dmp

memory/1704-3-0x0000000075060000-0x0000000075810000-memory.dmp

memory/1704-4-0x00000000056D0000-0x00000000056E0000-memory.dmp

memory/1704-5-0x00000000059D0000-0x0000000005BC8000-memory.dmp

memory/1704-6-0x0000000006D00000-0x0000000006E92000-memory.dmp

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

MD5 544cd51a596619b78e9b54b70088307d
SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

memory/1704-11-0x0000000003170000-0x0000000003180000-memory.dmp

memory/1704-14-0x00000000056D0000-0x00000000056E0000-memory.dmp

memory/1704-17-0x00000000056D0000-0x00000000056E0000-memory.dmp

memory/1704-16-0x00000000056D0000-0x00000000056E0000-memory.dmp

memory/1704-15-0x00000000056D0000-0x00000000056E0000-memory.dmp

memory/1704-13-0x00000000056D0000-0x00000000056E0000-memory.dmp

memory/1704-12-0x00000000056D0000-0x00000000056E0000-memory.dmp

memory/1704-18-0x00000000072C0000-0x00000000073C0000-memory.dmp

memory/1704-19-0x00000000072C0000-0x00000000073C0000-memory.dmp

memory/60-24-0x0000000000400000-0x000000000046D000-memory.dmp

memory/1704-21-0x00000000072C0000-0x00000000073C0000-memory.dmp

memory/60-25-0x0000000000400000-0x000000000046D000-memory.dmp

memory/1704-26-0x0000000075060000-0x0000000075810000-memory.dmp

memory/60-20-0x0000000000400000-0x000000000046D000-memory.dmp

memory/60-27-0x0000000003FC0000-0x00000000043C0000-memory.dmp

memory/60-28-0x0000000003FC0000-0x00000000043C0000-memory.dmp

memory/60-29-0x0000000003FC0000-0x00000000043C0000-memory.dmp

memory/60-30-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

memory/60-31-0x0000000003FC0000-0x00000000043C0000-memory.dmp

memory/60-33-0x0000000075920000-0x0000000075B35000-memory.dmp

memory/4628-34-0x0000000001250000-0x0000000001259000-memory.dmp

memory/4628-37-0x0000000002E40000-0x0000000003240000-memory.dmp

memory/4628-36-0x0000000002E40000-0x0000000003240000-memory.dmp

memory/4628-38-0x00007FFE09A70000-0x00007FFE09C65000-memory.dmp

memory/4628-39-0x0000000002E40000-0x0000000003240000-memory.dmp

memory/4628-41-0x0000000075920000-0x0000000075B35000-memory.dmp

memory/60-42-0x0000000003FC0000-0x00000000043C0000-memory.dmp

memory/4628-43-0x0000000002E40000-0x0000000003240000-memory.dmp

memory/1620-44-0x0000025905840000-0x0000025905850000-memory.dmp

memory/1620-60-0x0000025905940000-0x0000025905950000-memory.dmp

memory/1620-76-0x000002590DEE0000-0x000002590DEE1000-memory.dmp

memory/1620-77-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-78-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-79-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-80-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-81-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-82-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-83-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-84-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-85-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-86-0x000002590DF00000-0x000002590DF01000-memory.dmp

memory/1620-87-0x000002590DB30000-0x000002590DB31000-memory.dmp

memory/1620-88-0x000002590DB20000-0x000002590DB21000-memory.dmp

memory/1620-90-0x000002590DB30000-0x000002590DB31000-memory.dmp

memory/1620-96-0x000002590DA60000-0x000002590DA61000-memory.dmp

memory/1620-93-0x000002590DB20000-0x000002590DB21000-memory.dmp

memory/1620-108-0x000002590DC60000-0x000002590DC61000-memory.dmp

memory/1620-110-0x000002590DC70000-0x000002590DC71000-memory.dmp

memory/1620-111-0x000002590DC70000-0x000002590DC71000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-03-27 19:56

Reported

2024-03-27 20:11

Platform

win11-20240214-en

Max time kernel

453s

Max time network

455s

Command Line

sihost.exe

Signatures

Detect ZGRat V1

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

Rhadamanthys

stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 3448 created 2852 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\system32\sihost.exe

ZGRat

rat zgrat

.NET Reactor proctector

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2488 set thread context of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 2488 wrote to memory of 3448 N/A C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
PID 3448 wrote to memory of 2312 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 3448 wrote to memory of 2312 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 3448 wrote to memory of 2312 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 3448 wrote to memory of 2312 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe
PID 3448 wrote to memory of 2312 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe C:\Windows\SysWOW64\dialer.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

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

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

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

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

C:\Windows\SysWOW64\dialer.exe

"C:\Windows\system32\dialer.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3448 -ip 3448

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 456

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3448 -ip 3448

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 452

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/2488-0-0x0000000074D70000-0x0000000075521000-memory.dmp

memory/2488-1-0x00000000009A0000-0x0000000000E1C000-memory.dmp

memory/2488-2-0x0000000005920000-0x00000000059BC000-memory.dmp

memory/2488-3-0x0000000074D70000-0x0000000075521000-memory.dmp

memory/2488-4-0x0000000005870000-0x0000000005880000-memory.dmp

memory/2488-5-0x0000000005C30000-0x0000000005E28000-memory.dmp

memory/2488-6-0x0000000006F60000-0x00000000070F2000-memory.dmp

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

MD5 544cd51a596619b78e9b54b70088307d
SHA1 4769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512 f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

memory/2488-12-0x00000000031F0000-0x0000000003200000-memory.dmp

memory/2488-11-0x0000000005870000-0x0000000005880000-memory.dmp

memory/2488-13-0x0000000005870000-0x0000000005880000-memory.dmp

memory/2488-14-0x0000000005870000-0x0000000005880000-memory.dmp

memory/2488-17-0x0000000005870000-0x0000000005880000-memory.dmp

memory/2488-16-0x0000000005870000-0x0000000005880000-memory.dmp

memory/2488-15-0x0000000005870000-0x0000000005880000-memory.dmp

memory/2488-18-0x00000000074A0000-0x00000000075A0000-memory.dmp

memory/2488-21-0x00000000074A0000-0x00000000075A0000-memory.dmp

memory/2488-20-0x00000000074A0000-0x00000000075A0000-memory.dmp

memory/3448-19-0x0000000000400000-0x000000000046D000-memory.dmp

memory/3448-24-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2488-25-0x0000000074D70000-0x0000000075521000-memory.dmp

memory/3448-26-0x0000000000400000-0x000000000046D000-memory.dmp

memory/3448-27-0x0000000003C80000-0x0000000004080000-memory.dmp

memory/3448-29-0x0000000003C80000-0x0000000004080000-memory.dmp

memory/3448-28-0x0000000003C80000-0x0000000004080000-memory.dmp

memory/3448-30-0x00007FFB420A0000-0x00007FFB422A9000-memory.dmp

memory/3448-32-0x0000000003C80000-0x0000000004080000-memory.dmp

memory/3448-33-0x00000000761F0000-0x0000000076442000-memory.dmp

memory/2312-34-0x0000000000A00000-0x0000000000A09000-memory.dmp

memory/2312-37-0x0000000002730000-0x0000000002B30000-memory.dmp

memory/2312-36-0x0000000002730000-0x0000000002B30000-memory.dmp

memory/2312-38-0x00007FFB420A0000-0x00007FFB422A9000-memory.dmp

memory/2312-41-0x00000000761F0000-0x0000000076442000-memory.dmp

memory/2312-42-0x00007FFB420A0000-0x00007FFB422A9000-memory.dmp

memory/2312-40-0x0000000002730000-0x0000000002B30000-memory.dmp

memory/2312-43-0x0000000002730000-0x0000000002B30000-memory.dmp

memory/2312-45-0x00007FFB420A0000-0x00007FFB422A9000-memory.dmp

memory/3448-44-0x0000000003C80000-0x0000000004080000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-27 19:56

Reported

2024-03-27 20:11

Platform

win7-20240221-en

Max time kernel

362s

Max time network

366s

Command Line

"C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.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

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 548

Network

N/A

Files

memory/2328-1-0x0000000073EE0000-0x00000000745CE000-memory.dmp

memory/2328-0-0x0000000000BC0000-0x000000000103C000-memory.dmp

memory/2328-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

memory/2328-3-0x0000000073EE0000-0x00000000745CE000-memory.dmp