Malware Analysis Report

2024-10-19 08:32

Sample ID 240819-w68cvatbml
Target dccc4cb5a605aaa373e544c1041eddd0N.exe
SHA256 4c8cfb583b6b6fd01eb101d9933b763ae53de9b4b6f30eedb80c8c8817660723
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

4c8cfb583b6b6fd01eb101d9933b763ae53de9b4b6f30eedb80c8c8817660723

Threat Level: Known bad

The file dccc4cb5a605aaa373e544c1041eddd0N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-19 18:33

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

2024-08-19 18:33

Reported

2024-08-19 18:35

Platform

win10v2004-20240802-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.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\dccc4cb5a605aaa373e544c1041eddd0N.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 2144 set thread context of 2852 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.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\dccc4cb5a605aaa373e544c1041eddd0N.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\dccc4cb5a605aaa373e544c1041eddd0N.exe

"C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.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 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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2144-0-0x0000000000FA0000-0x0000000001093000-memory.dmp

memory/2144-1-0x0000000000F20000-0x0000000000F21000-memory.dmp

memory/2852-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2852-6-0x0000000074152000-0x0000000074153000-memory.dmp

memory/2852-7-0x0000000074150000-0x0000000074701000-memory.dmp

memory/2852-8-0x0000000074150000-0x0000000074701000-memory.dmp

memory/2144-9-0x0000000000FA0000-0x0000000001093000-memory.dmp

memory/2852-11-0x0000000074150000-0x0000000074701000-memory.dmp

memory/2852-10-0x0000000074152000-0x0000000074153000-memory.dmp

memory/2852-12-0x0000000074150000-0x0000000074701000-memory.dmp

memory/2144-16-0x0000000000FA0000-0x0000000001093000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-19 18:33

Reported

2024-08-19 18:35

Platform

win7-20240705-en

Max time kernel

119s

Max time network

112s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.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\dccc4cb5a605aaa373e544c1041eddd0N.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 2544 set thread context of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.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\dccc4cb5a605aaa373e544c1041eddd0N.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 2544 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2544 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2544 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2544 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2544 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2544 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2544 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2544 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2544 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.exe

"C:\Users\Admin\AppData\Local\Temp\dccc4cb5a605aaa373e544c1041eddd0N.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 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

Files

memory/2544-0-0x00000000008C0000-0x00000000009B3000-memory.dmp

memory/2544-1-0x0000000000120000-0x0000000000121000-memory.dmp

memory/536-4-0x0000000000090000-0x0000000000098000-memory.dmp

memory/536-10-0x0000000000090000-0x0000000000098000-memory.dmp

memory/536-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/536-2-0x0000000000090000-0x0000000000098000-memory.dmp

memory/536-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/536-11-0x0000000073ED2000-0x0000000073ED4000-memory.dmp

memory/2544-12-0x00000000008C0000-0x00000000009B3000-memory.dmp

memory/536-13-0x0000000073ED2000-0x0000000073ED4000-memory.dmp

memory/2544-17-0x00000000008C0000-0x00000000009B3000-memory.dmp