Malware Analysis Report

2024-10-19 08:33

Sample ID 240819-eqmmrsxbkm
Target fc7441b58315bbf6aa4775a9d0988d20N.exe
SHA256 9deddf59b30fe2c59afedec06e8d1c93be564e2e11bb24037f1d9ab1d0366f6c
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

9deddf59b30fe2c59afedec06e8d1c93be564e2e11bb24037f1d9ab1d0366f6c

Threat Level: Known bad

The file fc7441b58315bbf6aa4775a9d0988d20N.exe 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 WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-19 04:08

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

2024-08-19 04:08

Reported

2024-08-19 04:10

Platform

win7-20240729-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.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\fc7441b58315bbf6aa4775a9d0988d20N.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 1184 set thread context of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.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\fc7441b58315bbf6aa4775a9d0988d20N.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 1184 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1184 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1184 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1184 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1184 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1184 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1184 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1184 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1184 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.exe

"C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.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

Files

memory/1184-0-0x0000000000AF0000-0x0000000000BE3000-memory.dmp

memory/1184-1-0x0000000000560000-0x0000000000561000-memory.dmp

memory/2392-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2392-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2392-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2392-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2392-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2392-10-0x00000000747E2000-0x00000000747E4000-memory.dmp

memory/1184-11-0x0000000000AF0000-0x0000000000BE3000-memory.dmp

memory/2392-12-0x00000000747E2000-0x00000000747E4000-memory.dmp

memory/1184-16-0x0000000000AF0000-0x0000000000BE3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-19 04:08

Reported

2024-08-19 04:10

Platform

win10v2004-20240802-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.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\fc7441b58315bbf6aa4775a9d0988d20N.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 3100 set thread context of 3524 N/A C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.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\fc7441b58315bbf6aa4775a9d0988d20N.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\fc7441b58315bbf6aa4775a9d0988d20N.exe

"C:\Users\Admin\AppData\Local\Temp\fc7441b58315bbf6aa4775a9d0988d20N.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 13.86.106.20.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 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa 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 55.36.223.20.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 14.227.111.52.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 150.171.27.10:443 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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/3100-0-0x0000000000C30000-0x0000000000D23000-memory.dmp

memory/3100-1-0x0000000000E30000-0x0000000000E31000-memory.dmp

memory/3524-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3524-6-0x0000000073992000-0x0000000073993000-memory.dmp

memory/3524-7-0x0000000073990000-0x0000000073F41000-memory.dmp

memory/3524-8-0x0000000073990000-0x0000000073F41000-memory.dmp

memory/3100-9-0x0000000000C30000-0x0000000000D23000-memory.dmp

memory/3524-10-0x0000000073992000-0x0000000073993000-memory.dmp

memory/3524-11-0x0000000073990000-0x0000000073F41000-memory.dmp

memory/3100-15-0x0000000000C30000-0x0000000000D23000-memory.dmp