Malware Analysis Report

2024-10-23 21:20

Sample ID 240902-cg3araydlq
Target a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7
SHA256 a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7
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

a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7

Threat Level: Known bad

The file a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7 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

2024-09-02 02:03

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

2024-09-02 02:03

Reported

2024-09-02 02:06

Platform

win7-20240704-en

Max time kernel

142s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.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\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2388 set thread context of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.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\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.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 2388 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2388 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2388 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2388 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2388 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2388 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2388 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2388 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2388 wrote to memory of 2400 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe

"C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.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/2388-0-0x0000000000350000-0x0000000000351000-memory.dmp

memory/2400-1-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2400-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2400-3-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2400-8-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2400-9-0x0000000000090000-0x0000000000098000-memory.dmp

memory/2400-10-0x0000000074132000-0x0000000074134000-memory.dmp

memory/2400-11-0x0000000074132000-0x0000000074134000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-02 02:03

Reported

2024-09-02 02:06

Platform

win10v2004-20240802-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.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\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4468 set thread context of 2924 N/A C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.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\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.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\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.exe

"C:\Users\Admin\AppData\Local\Temp\a5942fe4db862561ae7cc3c3d456179f80c83103d84ca55b3558098f063773b7.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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 77.190.18.2.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.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

Files

memory/4468-0-0x0000000001220000-0x0000000001221000-memory.dmp

memory/2924-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2924-5-0x0000000073692000-0x0000000073693000-memory.dmp

memory/2924-6-0x0000000073690000-0x0000000073C41000-memory.dmp

memory/2924-7-0x0000000073690000-0x0000000073C41000-memory.dmp

memory/2924-8-0x0000000073692000-0x0000000073693000-memory.dmp

memory/2924-9-0x0000000073690000-0x0000000073C41000-memory.dmp