Malware Analysis Report

2024-10-23 21:20

Sample ID 240831-c5l9fa1ekb
Target 3d20e52a8fa95a3839bb0438bac673b0N.exe
SHA256 2ee473a6dfd61f43bbc4fb909667628880fe51228f1adf6988258b917a71c508
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

2ee473a6dfd61f43bbc4fb909667628880fe51228f1adf6988258b917a71c508

Threat Level: Known bad

The file 3d20e52a8fa95a3839bb0438bac673b0N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 02:39

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

2024-08-31 02:39

Reported

2024-08-31 02:41

Platform

win7-20240704-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe"

Signatures

RevengeRAT

trojan 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\3d20e52a8fa95a3839bb0438bac673b0N.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2780 set thread context of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.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\3d20e52a8fa95a3839bb0438bac673b0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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 2780 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2780 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2780 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2780 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2780 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2780 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2780 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2780 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2780 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe

"C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/2780-0-0x0000000000920000-0x0000000000A13000-memory.dmp

memory/2780-1-0x00000000000B0000-0x00000000000B1000-memory.dmp

memory/2800-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2800-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2800-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2800-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2800-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2800-10-0x00000000741D2000-0x00000000741D4000-memory.dmp

memory/2780-11-0x0000000000920000-0x0000000000A13000-memory.dmp

memory/2800-12-0x00000000741D2000-0x00000000741D4000-memory.dmp

memory/2780-16-0x0000000000920000-0x0000000000A13000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 02:39

Reported

2024-08-31 02:41

Platform

win10v2004-20240802-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.exe"

Signatures

RevengeRAT

trojan 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\3d20e52a8fa95a3839bb0438bac673b0N.exe N/A

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5108 set thread context of 2176 N/A C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.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\3d20e52a8fa95a3839bb0438bac673b0N.exe

"C:\Users\Admin\AppData\Local\Temp\3d20e52a8fa95a3839bb0438bac673b0N.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/5108-0-0x0000000000260000-0x0000000000353000-memory.dmp

memory/5108-1-0x0000000001E60000-0x0000000001E61000-memory.dmp

memory/2176-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2176-6-0x0000000073B52000-0x0000000073B53000-memory.dmp

memory/2176-7-0x0000000073B50000-0x0000000074101000-memory.dmp

memory/2176-8-0x0000000073B50000-0x0000000074101000-memory.dmp

memory/5108-9-0x0000000000260000-0x0000000000353000-memory.dmp

memory/2176-10-0x0000000073B52000-0x0000000073B53000-memory.dmp

memory/2176-11-0x0000000073B50000-0x0000000074101000-memory.dmp

memory/5108-15-0x0000000000260000-0x0000000000353000-memory.dmp