Malware Analysis Report

2024-10-19 08:33

Sample ID 240818-m7mm4atemn
Target a4bd8ed0339c665f8a5d806e9345a870N.exe
SHA256 ddbfa84666912d3533a780e0fff2d2e42aeb5ca726d1646f3042b9c987da4513
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

ddbfa84666912d3533a780e0fff2d2e42aeb5ca726d1646f3042b9c987da4513

Threat Level: Known bad

The file a4bd8ed0339c665f8a5d806e9345a870N.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 SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-18 11:06

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: behavioral1

Detonation Overview

Submitted

2024-08-18 11:06

Reported

2024-08-18 11:08

Platform

win7-20240704-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.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\a4bd8ed0339c665f8a5d806e9345a870N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2976 set thread context of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.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 2976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2976 wrote to memory of 2352 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.exe

"C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.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/2976-0-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2352-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2352-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2352-9-0x0000000073AE2000-0x0000000073AE4000-memory.dmp

memory/2352-10-0x0000000073AE2000-0x0000000073AE4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 11:06

Reported

2024-08-18 11:08

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.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\a4bd8ed0339c665f8a5d806e9345a870N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1432 set thread context of 1760 N/A C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.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\a4bd8ed0339c665f8a5d806e9345a870N.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\a4bd8ed0339c665f8a5d806e9345a870N.exe

"C:\Users\Admin\AppData\Local\Temp\a4bd8ed0339c665f8a5d806e9345a870N.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 8.8.8.8:53 209.205.72.20.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 g.bing.com udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 50.23.12.20.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 81.144.22.2.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 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 26.35.223.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/1432-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

memory/1760-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1760-5-0x0000000073CD2000-0x0000000073CD3000-memory.dmp

memory/1760-6-0x0000000073CD0000-0x0000000074281000-memory.dmp

memory/1760-7-0x0000000073CD0000-0x0000000074281000-memory.dmp

memory/1760-8-0x0000000073CD2000-0x0000000073CD3000-memory.dmp

memory/1760-9-0x0000000073CD0000-0x0000000074281000-memory.dmp