Malware Analysis Report

2024-10-19 08:33

Sample ID 240817-3bz7bawbjj
Target 67d21a3fd60351c3d71af8f141f787d0N.exe
SHA256 3c61d606dc64ba3d57101b66d56fdd24c7f42491d0a338246148ff472e2ab852
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

3c61d606dc64ba3d57101b66d56fdd24c7f42491d0a338246148ff472e2ab852

Threat Level: Known bad

The file 67d21a3fd60351c3d71af8f141f787d0N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 23:21

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

2024-08-17 23:21

Reported

2024-08-17 23:23

Platform

win7-20240708-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.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\67d21a3fd60351c3d71af8f141f787d0N.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 2372 set thread context of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.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\67d21a3fd60351c3d71af8f141f787d0N.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 2372 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2372 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2372 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2372 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2372 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2372 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2372 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2372 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2372 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.exe

"C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.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/2372-0-0x00000000013D0000-0x00000000014C3000-memory.dmp

memory/2372-1-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1628-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1628-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1628-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1628-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1628-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1628-10-0x0000000073D12000-0x0000000073D14000-memory.dmp

memory/2372-11-0x00000000013D0000-0x00000000014C3000-memory.dmp

memory/1628-12-0x0000000073D12000-0x0000000073D14000-memory.dmp

memory/2372-16-0x00000000013D0000-0x00000000014C3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 23:21

Reported

2024-08-17 23:23

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.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\67d21a3fd60351c3d71af8f141f787d0N.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 1608 set thread context of 1032 N/A C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.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\67d21a3fd60351c3d71af8f141f787d0N.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\67d21a3fd60351c3d71af8f141f787d0N.exe

"C:\Users\Admin\AppData\Local\Temp\67d21a3fd60351c3d71af8f141f787d0N.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 marzorevenger.duckdns.org udp
US 8.8.8.8:53 g.bing.com udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 11.227.111.52.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 43.58.199.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/1608-0-0x0000000000540000-0x0000000000633000-memory.dmp

memory/1608-1-0x00000000033F0000-0x00000000033F1000-memory.dmp

memory/1032-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1032-6-0x0000000073A52000-0x0000000073A53000-memory.dmp

memory/1032-7-0x0000000073A50000-0x0000000074001000-memory.dmp

memory/1032-8-0x0000000073A50000-0x0000000074001000-memory.dmp

memory/1608-9-0x0000000000540000-0x0000000000633000-memory.dmp

memory/1032-10-0x0000000073A52000-0x0000000073A53000-memory.dmp

memory/1032-11-0x0000000073A50000-0x0000000074001000-memory.dmp

memory/1608-15-0x0000000000540000-0x0000000000633000-memory.dmp