Malware Analysis Report

2024-10-23 21:20

Sample ID 240906-j4ld3svhrk
Target c850ead2fbea82ad60fe4248208602c0N.exe
SHA256 bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042
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

bdeba897bffa038fb03b098889c6a9b2a43e7307386084f56d1dae38d8e19042

Threat Level: Known bad

The file c850ead2fbea82ad60fe4248208602c0N.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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 08:13

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

2024-09-06 08:13

Reported

2024-09-06 08:15

Platform

win10v2004-20240802-en

Max time kernel

120s

Max time network

113s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.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\c850ead2fbea82ad60fe4248208602c0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2876 set thread context of 4084 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.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\c850ead2fbea82ad60fe4248208602c0N.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\c850ead2fbea82ad60fe4248208602c0N.exe

"C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.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 tse1.mm.bing.net udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.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 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 25.211.222.173.in-addr.arpa 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
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/2876-0-0x0000000000C80000-0x0000000000C81000-memory.dmp

memory/4084-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4084-5-0x0000000073642000-0x0000000073643000-memory.dmp

memory/4084-6-0x0000000073640000-0x0000000073BF1000-memory.dmp

memory/4084-7-0x0000000073640000-0x0000000073BF1000-memory.dmp

memory/4084-8-0x0000000073642000-0x0000000073643000-memory.dmp

memory/4084-9-0x0000000073640000-0x0000000073BF1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-06 08:13

Reported

2024-09-06 08:15

Platform

win7-20240903-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.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\c850ead2fbea82ad60fe4248208602c0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2664 set thread context of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.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\c850ead2fbea82ad60fe4248208602c0N.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 2664 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2664 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2664 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2664 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2664 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2664 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2664 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2664 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2664 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.exe

"C:\Users\Admin\AppData\Local\Temp\c850ead2fbea82ad60fe4248208602c0N.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/2664-0-0x0000000000130000-0x0000000000131000-memory.dmp

memory/2240-1-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2240-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2240-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2240-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2240-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2240-10-0x00000000746C2000-0x00000000746C4000-memory.dmp

memory/2240-11-0x00000000746C2000-0x00000000746C4000-memory.dmp