Malware Analysis Report

2025-01-18 04:48

Sample ID 241020-e6hnra1flp
Target ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N
SHA256 ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5
Tags
revengerat april 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

ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5

Threat Level: Known bad

The file ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N was found to be: Known bad.

Malicious Activity Summary

revengerat april discovery trojan

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-20 04:33

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

2024-10-20 04:33

Reported

2024-10-20 04:35

Platform

win7-20240903-en

Max time kernel

117s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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\cap.url C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2644 set thread context of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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 2644 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2644 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2644 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2644 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2644 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2644 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2644 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2644 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2644 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe

"C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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 mallorca.myftp.org udp

Files

memory/2644-0-0x0000000000290000-0x0000000000291000-memory.dmp

memory/2920-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2920-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2920-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2920-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2920-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2920-13-0x00000000749F2000-0x00000000749F4000-memory.dmp

memory/2920-14-0x00000000749F2000-0x00000000749F4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-20 04:33

Reported

2024-10-20 04:35

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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\cap.url C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4136 set thread context of 952 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe

"C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 mallorca.myftp.org udp
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 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/4136-0-0x0000000003390000-0x0000000003391000-memory.dmp

memory/952-1-0x0000000000700000-0x0000000000708000-memory.dmp

memory/952-5-0x00000000743D2000-0x00000000743D3000-memory.dmp

memory/952-9-0x00000000743D0000-0x0000000074981000-memory.dmp

memory/952-10-0x00000000743D0000-0x0000000074981000-memory.dmp

memory/952-12-0x00000000743D2000-0x00000000743D3000-memory.dmp

memory/952-13-0x00000000743D0000-0x0000000074981000-memory.dmp

memory/952-14-0x00000000743D0000-0x0000000074981000-memory.dmp