Malware Analysis Report

2024-10-19 08:32

Sample ID 240817-lh895asanl
Target 1a3683e7a5941cc6270a0f9bb316c1e0N.exe
SHA256 dcb6c9dffa419e9be5bfc5850ee9dff6c4450af316006321e31ff87e9fea07c5
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

dcb6c9dffa419e9be5bfc5850ee9dff6c4450af316006321e31ff87e9fea07c5

Threat Level: Known bad

The file 1a3683e7a5941cc6270a0f9bb316c1e0N.exe 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 FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 09:33

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

2024-08-17 09:33

Reported

2024-08-17 09:35

Platform

win7-20240705-en

Max time kernel

108s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.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\1a3683e7a5941cc6270a0f9bb316c1e0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1596 set thread context of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.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\1a3683e7a5941cc6270a0f9bb316c1e0N.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 1596 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1596 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1596 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1596 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1596 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1596 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1596 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1596 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1596 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.exe

"C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.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 marzorevenger.duckdns.org udp
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
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
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/1596-0-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/1696-1-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1696-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1696-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1696-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1696-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/1696-10-0x0000000074572000-0x0000000074574000-memory.dmp

memory/1696-11-0x0000000074572000-0x0000000074574000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 09:33

Reported

2024-08-17 09:35

Platform

win10v2004-20240802-en

Max time kernel

101s

Max time network

116s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.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\1a3683e7a5941cc6270a0f9bb316c1e0N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2088 set thread context of 2236 N/A C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.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\1a3683e7a5941cc6270a0f9bb316c1e0N.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\1a3683e7a5941cc6270a0f9bb316c1e0N.exe

"C:\Users\Admin\AppData\Local\Temp\1a3683e7a5941cc6270a0f9bb316c1e0N.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 8.8.8.8:53 228.249.119.40.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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org 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 14.227.111.52.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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/2088-0-0x0000000000B20000-0x0000000000B21000-memory.dmp

memory/2236-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2236-5-0x0000000074342000-0x0000000074343000-memory.dmp

memory/2236-6-0x0000000074340000-0x00000000748F1000-memory.dmp

memory/2236-7-0x0000000074340000-0x00000000748F1000-memory.dmp

memory/2236-8-0x0000000074342000-0x0000000074343000-memory.dmp

memory/2236-9-0x0000000074340000-0x00000000748F1000-memory.dmp