Malware Analysis Report

2024-10-19 08:32

Sample ID 240816-29xcmstckg
Target fd7fb37c9f59f612bbdbf4f015e41e40N.exe
SHA256 ddcca004e01c764a4bcaafbb2369a06dbe35d9b89aeda693ba97fed28b07f4ad
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

ddcca004e01c764a4bcaafbb2369a06dbe35d9b89aeda693ba97fed28b07f4ad

Threat Level: Known bad

The file fd7fb37c9f59f612bbdbf4f015e41e40N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

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

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-16 23:17

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

2024-08-16 23:17

Reported

2024-08-16 23:19

Platform

win7-20240704-en

Max time kernel

98s

Max time network

111s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.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\fd7fb37c9f59f612bbdbf4f015e41e40N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2072 set thread context of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.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\fd7fb37c9f59f612bbdbf4f015e41e40N.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 2072 wrote to memory of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2072 wrote to memory of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2072 wrote to memory of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2072 wrote to memory of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2072 wrote to memory of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2072 wrote to memory of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2072 wrote to memory of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2072 wrote to memory of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2072 wrote to memory of 2284 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.exe

"C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.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

Files

memory/2072-0-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/2284-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2284-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2284-1-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2284-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2284-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2284-10-0x0000000073C72000-0x0000000073C74000-memory.dmp

memory/2284-11-0x0000000073C72000-0x0000000073C74000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 23:17

Reported

2024-08-16 23:19

Platform

win10v2004-20240802-en

Max time kernel

109s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.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\fd7fb37c9f59f612bbdbf4f015e41e40N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 712 set thread context of 3100 N/A C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.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\fd7fb37c9f59f612bbdbf4f015e41e40N.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\fd7fb37c9f59f612bbdbf4f015e41e40N.exe

"C:\Users\Admin\AppData\Local\Temp\fd7fb37c9f59f612bbdbf4f015e41e40N.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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 73.144.22.2.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 13.227.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/712-0-0x0000000000C60000-0x0000000000C61000-memory.dmp

memory/3100-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3100-5-0x00000000742D2000-0x00000000742D3000-memory.dmp

memory/3100-6-0x00000000742D0000-0x0000000074881000-memory.dmp

memory/3100-7-0x00000000742D0000-0x0000000074881000-memory.dmp

memory/3100-8-0x00000000742D2000-0x00000000742D3000-memory.dmp

memory/3100-9-0x00000000742D0000-0x0000000074881000-memory.dmp

memory/3100-10-0x00000000742D0000-0x0000000074881000-memory.dmp