Malware Analysis Report

2024-10-23 21:29

Sample ID 240304-b22paaed4w
Target e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b
SHA256 e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b
Tags
revengerat marzo26 trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b

Threat Level: Known bad

The file e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-04 01:39

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

2024-03-04 01:39

Reported

2024-03-04 01:41

Platform

win7-20240221-en

Max time kernel

144s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.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\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1256 set thread context of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

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 1256 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1256 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1256 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1256 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1256 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1256 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1256 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1256 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1256 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe

"C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.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/1256-0-0x0000000000130000-0x0000000000131000-memory.dmp

memory/2372-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2372-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2372-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2372-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2372-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2372-9-0x0000000074720000-0x0000000074CCB000-memory.dmp

memory/2372-13-0x0000000074720000-0x0000000074CCB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-04 01:39

Reported

2024-03-04 01:41

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.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\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1872 set thread context of 3548 N/A C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

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\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.exe

"C:\Users\Admin\AppData\Local\Temp\e8b5ef57f2cf382b92f56b8750ac9136ad5e9f6e3c5ce7c5f70a0fbea3a9fb5b.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 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.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 48.229.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/1872-0-0x0000000002580000-0x0000000002581000-memory.dmp

memory/3548-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3548-5-0x0000000073900000-0x0000000073EB1000-memory.dmp

memory/3548-6-0x0000000002770000-0x0000000002780000-memory.dmp

memory/3548-7-0x0000000073900000-0x0000000073EB1000-memory.dmp

memory/3548-11-0x0000000073900000-0x0000000073EB1000-memory.dmp