Malware Analysis Report

2024-10-23 21:20

Sample ID 240825-lx49qaxhnf
Target 81f2af812f29d6c66d329b3eb02b57d0N.exe
SHA256 b82ac57b24f7ae56955815479c737e848f1a390ce1c3f7bfc0b5d43d913a5c40
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

b82ac57b24f7ae56955815479c737e848f1a390ce1c3f7bfc0b5d43d913a5c40

Threat Level: Known bad

The file 81f2af812f29d6c66d329b3eb02b57d0N.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 AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 09:55

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

2024-08-25 09:55

Reported

2024-08-25 09:57

Platform

win7-20240704-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.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\81f2af812f29d6c66d329b3eb02b57d0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2840 set thread context of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.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\81f2af812f29d6c66d329b3eb02b57d0N.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 2840 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2840 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2840 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2840 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2840 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2840 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2840 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2840 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2840 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.exe

"C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.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/2840-0-0x0000000000140000-0x0000000000141000-memory.dmp

memory/2836-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2836-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2836-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2836-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2836-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2836-9-0x0000000074442000-0x0000000074444000-memory.dmp

memory/2836-10-0x0000000074442000-0x0000000074444000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 09:55

Reported

2024-08-25 09:57

Platform

win10v2004-20240802-en

Max time kernel

111s

Max time network

113s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.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\81f2af812f29d6c66d329b3eb02b57d0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1804 set thread context of 4592 N/A C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.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\81f2af812f29d6c66d329b3eb02b57d0N.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\81f2af812f29d6c66d329b3eb02b57d0N.exe

"C:\Users\Admin\AppData\Local\Temp\81f2af812f29d6c66d329b3eb02b57d0N.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
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
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
US 8.8.8.8:53 172.210.232.199.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1804-0-0x0000000002990000-0x0000000002991000-memory.dmp

memory/4592-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4592-5-0x0000000073AE2000-0x0000000073AE3000-memory.dmp

memory/4592-6-0x0000000073AE0000-0x0000000074091000-memory.dmp

memory/4592-7-0x0000000073AE0000-0x0000000074091000-memory.dmp

memory/4592-8-0x0000000073AE2000-0x0000000073AE3000-memory.dmp

memory/4592-9-0x0000000073AE0000-0x0000000074091000-memory.dmp