Malware Analysis Report

2024-10-23 21:20

Sample ID 240904-cjdp6stamj
Target 8f82331f0f8087e4c9873e43fee1e590N.exe
SHA256 8960b911a4d3c5a128a9542ea5cf337efa9d861b2ad0a0076bcd60bf9e23de7d
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: 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

8960b911a4d3c5a128a9542ea5cf337efa9d861b2ad0a0076bcd60bf9e23de7d

Threat Level: Known bad

The file 8f82331f0f8087e4c9873e43fee1e590N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 02:06

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: behavioral2

Detonation Overview

Submitted

2024-09-04 02:06

Reported

2024-09-04 02:08

Platform

win10v2004-20240802-en

Max time kernel

98s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.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\8f82331f0f8087e4c9873e43fee1e590N.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 4668 set thread context of 2664 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.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\8f82331f0f8087e4c9873e43fee1e590N.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

Processes

C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe

"C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.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 8.8.8.8:53 209.205.72.20.in-addr.arpa 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 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 83.210.23.2.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
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/4668-0-0x0000000000DF0000-0x0000000000EE3000-memory.dmp

memory/4668-1-0x0000000002540000-0x0000000002541000-memory.dmp

memory/2664-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2664-6-0x0000000073822000-0x0000000073823000-memory.dmp

memory/2664-7-0x0000000073820000-0x0000000073DD1000-memory.dmp

memory/2664-8-0x0000000073820000-0x0000000073DD1000-memory.dmp

memory/4668-9-0x0000000000DF0000-0x0000000000EE3000-memory.dmp

memory/2664-10-0x0000000073822000-0x0000000073823000-memory.dmp

memory/2664-11-0x0000000073820000-0x0000000073DD1000-memory.dmp

memory/4668-15-0x0000000000DF0000-0x0000000000EE3000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 02:06

Reported

2024-09-04 02:08

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.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\8f82331f0f8087e4c9873e43fee1e590N.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 1796 set thread context of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.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\8f82331f0f8087e4c9873e43fee1e590N.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 1796 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1796 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1796 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1796 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1796 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1796 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1796 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1796 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1796 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.exe

"C:\Users\Admin\AppData\Local\Temp\8f82331f0f8087e4c9873e43fee1e590N.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 tcp

Files

memory/1796-0-0x0000000000A80000-0x0000000000B73000-memory.dmp

memory/1796-1-0x0000000000170000-0x0000000000171000-memory.dmp

memory/2340-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2340-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2340-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2340-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2340-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2340-10-0x00000000747C2000-0x00000000747C4000-memory.dmp

memory/1796-11-0x0000000000A80000-0x0000000000B73000-memory.dmp

memory/2340-12-0x00000000747C2000-0x00000000747C4000-memory.dmp

memory/1796-16-0x0000000000A80000-0x0000000000B73000-memory.dmp