Malware Analysis Report

2024-10-23 21:20

Sample ID 240909-vr6p2asbqc
Target b3263f4c312c2795c8300981ba628a30N.exe
SHA256 bbbfdbc415a875a5e84681b0a5c20f0e926b311d9c0a5525e0fca19ac9d47c0f
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

bbbfdbc415a875a5e84681b0a5c20f0e926b311d9c0a5525e0fca19ac9d47c0f

Threat Level: Known bad

The file b3263f4c312c2795c8300981ba628a30N.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

2024-09-09 17:14

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

2024-09-09 17:14

Reported

2024-09-09 17:16

Platform

win7-20240903-en

Max time kernel

97s

Max time network

107s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.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\b3263f4c312c2795c8300981ba628a30N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2216 set thread context of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.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\b3263f4c312c2795c8300981ba628a30N.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 2216 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2216 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2216 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2216 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2216 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2216 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2216 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2216 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2216 wrote to memory of 2664 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.exe

"C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.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

Files

memory/2216-0-0x0000000000160000-0x0000000000161000-memory.dmp

memory/2664-1-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2664-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2664-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2664-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2664-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2664-10-0x0000000073A72000-0x0000000073A74000-memory.dmp

memory/2664-11-0x0000000073A72000-0x0000000073A74000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 17:14

Reported

2024-09-09 17:16

Platform

win10v2004-20240802-en

Max time kernel

98s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.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\b3263f4c312c2795c8300981ba628a30N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1968 set thread context of 524 N/A C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.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\b3263f4c312c2795c8300981ba628a30N.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\b3263f4c312c2795c8300981ba628a30N.exe

"C:\Users\Admin\AppData\Local\Temp\b3263f4c312c2795c8300981ba628a30N.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
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
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/1968-0-0x0000000001210000-0x0000000001211000-memory.dmp

memory/524-1-0x0000000000630000-0x0000000000638000-memory.dmp

memory/524-5-0x0000000073E12000-0x0000000073E13000-memory.dmp

memory/524-6-0x0000000073E10000-0x00000000743C1000-memory.dmp

memory/524-7-0x0000000073E10000-0x00000000743C1000-memory.dmp

memory/524-8-0x0000000073E12000-0x0000000073E13000-memory.dmp

memory/524-9-0x0000000073E10000-0x00000000743C1000-memory.dmp