Malware Analysis Report

2024-10-19 08:32

Sample ID 240823-vrcf7azapl
Target 3b94cb9608e14e8e22baaeeedcef56e0N.exe
SHA256 5a2bf459af941997540db2b486aead0666e0acc452d8e088cc1b2d6e55554243
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

5a2bf459af941997540db2b486aead0666e0acc452d8e088cc1b2d6e55554243

Threat Level: Known bad

The file 3b94cb9608e14e8e22baaeeedcef56e0N.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 SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-23 17:12

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

2024-08-23 17:12

Reported

2024-08-23 17:15

Platform

win7-20240705-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.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\3b94cb9608e14e8e22baaeeedcef56e0N.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 2712 set thread context of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.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\3b94cb9608e14e8e22baaeeedcef56e0N.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 2712 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2712 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2712 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2712 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2712 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2712 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2712 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2712 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2712 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.exe

"C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.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/2712-0-0x0000000000D40000-0x0000000000E33000-memory.dmp

memory/2712-1-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2808-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2808-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2808-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2808-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2808-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2808-10-0x0000000073B22000-0x0000000073B24000-memory.dmp

memory/2712-11-0x0000000000D40000-0x0000000000E33000-memory.dmp

memory/2808-12-0x0000000073B22000-0x0000000073B24000-memory.dmp

memory/2712-16-0x0000000000D40000-0x0000000000E33000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-23 17:12

Reported

2024-08-23 17:15

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.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\3b94cb9608e14e8e22baaeeedcef56e0N.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 3360 set thread context of 2720 N/A C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.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\3b94cb9608e14e8e22baaeeedcef56e0N.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\3b94cb9608e14e8e22baaeeedcef56e0N.exe

"C:\Users\Admin\AppData\Local\Temp\3b94cb9608e14e8e22baaeeedcef56e0N.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 g.bing.com udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.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 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 42.56.20.217.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 30.243.111.52.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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/3360-0-0x0000000000470000-0x0000000000563000-memory.dmp

memory/3360-1-0x0000000003640000-0x0000000003641000-memory.dmp

memory/2720-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2720-6-0x0000000073FF2000-0x0000000073FF3000-memory.dmp

memory/2720-7-0x0000000073FF0000-0x00000000745A1000-memory.dmp

memory/2720-8-0x0000000073FF0000-0x00000000745A1000-memory.dmp

memory/3360-9-0x0000000000470000-0x0000000000563000-memory.dmp

memory/2720-10-0x0000000073FF2000-0x0000000073FF3000-memory.dmp

memory/2720-11-0x0000000073FF0000-0x00000000745A1000-memory.dmp

memory/3360-15-0x0000000000470000-0x0000000000563000-memory.dmp