Malware Analysis Report

2024-10-19 08:32

Sample ID 240820-l88fhswdlh
Target e3f1bc66efb7046d698222a75fe1f5e0N.exe
SHA256 c6decfcdac7cfd1d389e7db979b305d17293b80f0f422e59ef2c239022a9986b
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

c6decfcdac7cfd1d389e7db979b305d17293b80f0f422e59ef2c239022a9986b

Threat Level: Known bad

The file e3f1bc66efb7046d698222a75fe1f5e0N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 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

2024-08-20 10:13

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

2024-08-20 10:13

Reported

2024-08-20 10:15

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.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\e3f1bc66efb7046d698222a75fe1f5e0N.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 2948 set thread context of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.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\e3f1bc66efb7046d698222a75fe1f5e0N.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 2948 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2948 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2948 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2948 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2948 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2948 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2948 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2948 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2948 wrote to memory of 2092 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.exe

"C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.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/2948-0-0x0000000000C70000-0x0000000000D63000-memory.dmp

memory/2948-1-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2092-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2092-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2092-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2092-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2092-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2092-10-0x0000000073AD2000-0x0000000073AD4000-memory.dmp

memory/2948-11-0x0000000000C70000-0x0000000000D63000-memory.dmp

memory/2092-12-0x0000000073AD2000-0x0000000073AD4000-memory.dmp

memory/2948-16-0x0000000000C70000-0x0000000000D63000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-20 10:13

Reported

2024-08-20 10:15

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.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\e3f1bc66efb7046d698222a75fe1f5e0N.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 4888 set thread context of 1984 N/A C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.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\e3f1bc66efb7046d698222a75fe1f5e0N.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\e3f1bc66efb7046d698222a75fe1f5e0N.exe

"C:\Users\Admin\AppData\Local\Temp\e3f1bc66efb7046d698222a75fe1f5e0N.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 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.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 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.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 23.236.111.52.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 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 10.28.171.150.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/4888-0-0x0000000000B20000-0x0000000000C13000-memory.dmp

memory/4888-1-0x0000000004480000-0x0000000004481000-memory.dmp

memory/1984-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1984-6-0x0000000074162000-0x0000000074163000-memory.dmp

memory/1984-7-0x0000000074160000-0x0000000074711000-memory.dmp

memory/1984-8-0x0000000074160000-0x0000000074711000-memory.dmp

memory/4888-9-0x0000000000B20000-0x0000000000C13000-memory.dmp

memory/1984-10-0x0000000074162000-0x0000000074163000-memory.dmp

memory/1984-11-0x0000000074160000-0x0000000074711000-memory.dmp

memory/4888-15-0x0000000000B20000-0x0000000000C13000-memory.dmp