Malware Analysis Report

2025-01-18 02:55

Sample ID 241203-t1yv4sypcj
Target 87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe
SHA256 87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8
Tags
revengerat marzo26 discovery trojan
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

87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8

Threat Level: Known bad

The file 87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Revengerat family

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-03 16:32

Signatures

AutoIT Executable

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

2024-12-03 16:32

Reported

2024-12-03 16:34

Platform

win7-20241023-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

revengerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1776 set thread context of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe

"C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp

Files

memory/1776-0-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2556-1-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2556-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2556-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2556-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2556-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2556-10-0x0000000073F52000-0x0000000073F54000-memory.dmp

memory/2556-11-0x0000000073F52000-0x0000000073F54000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-03 16:32

Reported

2024-12-03 16:34

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

revengerat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2984 set thread context of 4852 N/A C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe

"C:\Users\Admin\AppData\Local\Temp\87b512dd91b4cad6ee7bd227bdf0d0a38182e8a48357022032483f272c2e13c8.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"

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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 73.209.201.84.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp

Files

memory/2984-0-0x00000000009E0000-0x00000000009E1000-memory.dmp

memory/4852-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4852-5-0x0000000074202000-0x0000000074203000-memory.dmp

memory/4852-6-0x0000000074200000-0x00000000747B1000-memory.dmp

memory/4852-7-0x0000000074200000-0x00000000747B1000-memory.dmp

memory/4852-8-0x0000000074202000-0x0000000074203000-memory.dmp

memory/4852-9-0x0000000074200000-0x00000000747B1000-memory.dmp