Malware Analysis Report

2025-01-18 03:01

Sample ID 241202-yldnvazlbx
Target 1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe
SHA256 1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5
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

1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5

Threat Level: Known bad

The file 1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

Revengerat family

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 19:52

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

2024-12-02 19:52

Reported

2024-12-02 19:54

Platform

win7-20240903-en

Max time kernel

117s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

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\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.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 1924 set thread context of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.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\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 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 1924 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1924 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1924 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1924 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1924 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1924 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1924 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1924 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1924 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe

"C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.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 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp

Files

memory/1924-0-0x0000000000130000-0x0000000000223000-memory.dmp

memory/1924-1-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2388-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2388-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2388-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2388-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2388-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2388-10-0x0000000073E22000-0x0000000073E24000-memory.dmp

memory/1924-11-0x0000000000130000-0x0000000000223000-memory.dmp

memory/2388-12-0x0000000073E22000-0x0000000073E24000-memory.dmp

memory/1924-16-0x0000000000130000-0x0000000000223000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 19:52

Reported

2024-12-02 19:54

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

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\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.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 4624 set thread context of 512 N/A C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.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\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 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\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.exe

"C:\Users\Admin\AppData\Local\Temp\1cc71f29e6c89275d17373f27730cc3e2f92b79975c38fa92b17e2b212c685f5N.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 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp

Files

memory/4624-0-0x0000000000160000-0x0000000000253000-memory.dmp

memory/4624-1-0x0000000003790000-0x0000000003791000-memory.dmp

memory/512-2-0x00000000001C0000-0x00000000001C8000-memory.dmp

memory/512-6-0x00000000736A2000-0x00000000736A3000-memory.dmp

memory/512-7-0x00000000736A0000-0x0000000073C51000-memory.dmp

memory/512-8-0x00000000736A0000-0x0000000073C51000-memory.dmp

memory/4624-9-0x0000000000160000-0x0000000000253000-memory.dmp

memory/512-10-0x00000000736A2000-0x00000000736A3000-memory.dmp

memory/512-11-0x00000000736A0000-0x0000000073C51000-memory.dmp

memory/512-12-0x00000000736A0000-0x0000000073C51000-memory.dmp

memory/4624-16-0x0000000000160000-0x0000000000253000-memory.dmp