Malware Analysis Report

2024-10-19 08:32

Sample ID 240817-a99jes1cqr
Target 79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879
SHA256 79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879
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

79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879

Threat Level: Known bad

The file 79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879 was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

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

2024-08-17 00:55

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 00:55

Reported

2024-08-17 00:58

Platform

win7-20240729-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.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\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2088 set thread context of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.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\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.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 2088 wrote to memory of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2088 wrote to memory of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2088 wrote to memory of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2088 wrote to memory of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2088 wrote to memory of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2088 wrote to memory of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2088 wrote to memory of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2088 wrote to memory of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2088 wrote to memory of 992 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe

"C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.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/2088-0-0x0000000000E50000-0x0000000000F43000-memory.dmp

memory/2088-1-0x0000000000120000-0x0000000000121000-memory.dmp

memory/992-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/992-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/992-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/992-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/992-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/992-10-0x0000000074772000-0x0000000074774000-memory.dmp

memory/2088-11-0x0000000000E50000-0x0000000000F43000-memory.dmp

memory/992-12-0x0000000074772000-0x0000000074774000-memory.dmp

memory/2088-16-0x0000000000E50000-0x0000000000F43000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 00:55

Reported

2024-08-17 00:58

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.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\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1040 set thread context of 2464 N/A C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.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\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.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\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.exe

"C:\Users\Admin\AppData\Local\Temp\79d6c9d3791d2bd257dfaca21ed0712a7be2284672d2c5e0e55ac8fb6e63f879.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.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 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 205.47.74.20.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 tse1.mm.bing.net udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa 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
US 8.8.8.8:53 14.227.111.52.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
US 8.8.8.8:53 udp

Files

memory/1040-0-0x0000000000F70000-0x0000000001063000-memory.dmp

memory/1040-1-0x0000000000F60000-0x0000000000F61000-memory.dmp

memory/2464-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2464-6-0x0000000073DD2000-0x0000000073DD3000-memory.dmp

memory/2464-7-0x0000000073DD0000-0x0000000074381000-memory.dmp

memory/2464-8-0x0000000073DD0000-0x0000000074381000-memory.dmp

memory/1040-9-0x0000000000F70000-0x0000000001063000-memory.dmp

memory/2464-10-0x0000000073DD2000-0x0000000073DD3000-memory.dmp

memory/2464-11-0x0000000073DD0000-0x0000000074381000-memory.dmp

memory/1040-15-0x0000000000F70000-0x0000000001063000-memory.dmp