Malware Analysis Report

2025-01-18 02:57

Sample ID 241205-vvpkxszpfk
Target 3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
SHA256 3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb
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

3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb

Threat Level: Known bad

The file 3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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 SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-05 17:18

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

2024-12-05 17:18

Reported

2024-12-05 17:20

Platform

win7-20240708-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2508 set thread context of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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 2508 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2508 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2508 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2508 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2508 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2508 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2508 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2508 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2508 wrote to memory of 1488 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe

"C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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
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/2508-0-0x0000000000130000-0x0000000000131000-memory.dmp

memory/1488-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1488-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1488-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1488-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1488-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1488-9-0x0000000073A82000-0x0000000073A84000-memory.dmp

memory/1488-10-0x0000000073A82000-0x0000000073A84000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-05 17:18

Reported

2024-12-05 17:20

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2844 set thread context of 3884 N/A C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe

"C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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 marzorevenger.duckdns.org udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 107.209.201.84.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.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 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 13.86.106.20.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 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 20.49.80.91.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 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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 48.229.111.52.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 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/2844-0-0x00000000032D0000-0x00000000032D1000-memory.dmp

memory/3884-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3884-5-0x0000000073712000-0x0000000073713000-memory.dmp

memory/3884-6-0x0000000073710000-0x0000000073CC1000-memory.dmp

memory/3884-7-0x0000000073710000-0x0000000073CC1000-memory.dmp

memory/3884-8-0x0000000073712000-0x0000000073713000-memory.dmp

memory/3884-9-0x0000000073710000-0x0000000073CC1000-memory.dmp

memory/3884-10-0x0000000073710000-0x0000000073CC1000-memory.dmp