Malware Analysis Report

2024-10-19 08:33

Sample ID 240816-ggmbraserp
Target fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a
SHA256 fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a
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

fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a

Threat Level: Known bad

The file fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a 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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-16 05:46

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

2024-08-16 05:46

Reported

2024-08-16 05:49

Platform

win7-20240704-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.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\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1720 set thread context of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.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\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.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 1720 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1720 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1720 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1720 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1720 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1720 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1720 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1720 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1720 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe

"C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.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/1720-0-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2356-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2356-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2356-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2356-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2356-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2356-10-0x0000000073F62000-0x0000000073F64000-memory.dmp

memory/2356-11-0x0000000073F62000-0x0000000073F64000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 05:46

Reported

2024-08-16 05:49

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.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\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4872 set thread context of 1116 N/A C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.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\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.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\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.exe

"C:\Users\Admin\AppData\Local\Temp\fb8bd3f8f839a0ed81077681d2942a54f7663cac002ae91df94d43c673fad19a.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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
GB 95.100.245.144:80 www.microsoft.com tcp
US 8.8.8.8:53 144.245.100.95.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
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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
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/4872-0-0x0000000002570000-0x0000000002571000-memory.dmp

memory/1116-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1116-5-0x0000000073E12000-0x0000000073E13000-memory.dmp

memory/1116-6-0x0000000073E10000-0x00000000743C1000-memory.dmp

memory/1116-7-0x0000000073E10000-0x00000000743C1000-memory.dmp

memory/1116-8-0x0000000073E12000-0x0000000073E13000-memory.dmp

memory/1116-9-0x0000000073E10000-0x00000000743C1000-memory.dmp