Malware Analysis Report

2025-01-18 02:59

Sample ID 241222-cym76azldw
Target 6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe
SHA256 6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bf
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

6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bf

Threat Level: Known bad

The file 6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-22 02:29

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

2024-12-22 02:29

Reported

2024-12-22 02:31

Platform

win7-20240708-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.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\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2984 set thread context of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.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\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.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 2984 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2984 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe

"C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.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 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/2984-0-0x0000000000160000-0x0000000000161000-memory.dmp

memory/3040-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3040-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3040-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3040-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3040-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3040-9-0x00000000741C2000-0x00000000741C4000-memory.dmp

memory/3040-10-0x00000000741C2000-0x00000000741C4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-22 02:29

Reported

2024-12-22 02:31

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.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\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1436 set thread context of 4552 N/A C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.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\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.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

Processes

C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.exe

"C:\Users\Admin\AppData\Local\Temp\6fde994194d60d2eaa3a7da73310e01630b1937559e742b6d14af2dff9d112bfN.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
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 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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.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 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 180.129.81.91.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 8.8.8.8:53 30.243.111.52.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 8.8.8.8:53 21.49.80.91.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

Files

memory/1436-0-0x00000000005B0000-0x00000000005B1000-memory.dmp

memory/4552-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4552-5-0x0000000073762000-0x0000000073763000-memory.dmp

memory/4552-6-0x0000000073760000-0x0000000073D11000-memory.dmp

memory/4552-7-0x0000000073760000-0x0000000073D11000-memory.dmp

memory/4552-8-0x0000000073762000-0x0000000073763000-memory.dmp

memory/4552-9-0x0000000073760000-0x0000000073D11000-memory.dmp

memory/4552-10-0x0000000073760000-0x0000000073D11000-memory.dmp