Malware Analysis Report

2024-10-23 21:20

Sample ID 240909-ekrdrs1aqj
Target e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8
SHA256 e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8
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

e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8

Threat Level: Known bad

The file e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8 was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

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 04:00

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 04:00

Reported

2024-09-09 04:02

Platform

win7-20240903-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.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\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2380 set thread context of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.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\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.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 2380 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2380 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2380 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2380 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2380 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2380 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2380 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2380 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2380 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe

"C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.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
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/2380-0-0x0000000000160000-0x0000000000161000-memory.dmp

memory/1808-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1808-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1808-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1808-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1808-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1808-9-0x0000000074152000-0x0000000074154000-memory.dmp

memory/1808-10-0x0000000074152000-0x0000000074154000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-09 04:00

Reported

2024-09-09 04:02

Platform

win10v2004-20240802-en

Max time kernel

128s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.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\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4132 set thread context of 1640 N/A C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.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\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.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\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.exe

"C:\Users\Admin\AppData\Local\Temp\e89fd4cc1126f064070d05dd9f13aac077f4e4b36444f2cfa3523031676552e8.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 52.111.227.11:443 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 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/4132-0-0x0000000000770000-0x0000000000771000-memory.dmp

memory/1640-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1640-5-0x0000000073E62000-0x0000000073E63000-memory.dmp

memory/1640-6-0x0000000073E60000-0x0000000074411000-memory.dmp

memory/1640-7-0x0000000073E60000-0x0000000074411000-memory.dmp

memory/1640-8-0x0000000073E62000-0x0000000073E63000-memory.dmp

memory/1640-9-0x0000000073E60000-0x0000000074411000-memory.dmp

memory/1640-10-0x0000000073E60000-0x0000000074411000-memory.dmp