Malware Analysis Report

2025-01-18 03:00

Sample ID 241202-ez63rszkbt
Target f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03
SHA256 f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03
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

f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03

Threat Level: Known bad

The file f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03 was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

Revengerat family

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 04:23

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

2024-12-02 04:23

Reported

2024-12-02 04:26

Platform

win7-20240729-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

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\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1164 set thread context of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.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\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 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 1164 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1164 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1164 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1164 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1164 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1164 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1164 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1164 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1164 wrote to memory of 2200 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe

"C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.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 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp

Files

memory/1164-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

memory/2200-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2200-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2200-9-0x0000000074932000-0x0000000074934000-memory.dmp

memory/2200-10-0x0000000074932000-0x0000000074934000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 04:23

Reported

2024-12-02 04:26

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe"

Signatures

RevengeRAT

trojan revengerat

Revengerat family

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\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1848 set thread context of 4160 N/A C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.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\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 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\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.exe

"C:\Users\Admin\AppData\Local\Temp\f7649892fecc3e8d4452bad3c46d702c62d13a83fc21fec3802d66eeace16a03.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.69.169.192.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 99.208.201.84.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 192.169.69.26:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp

Files

memory/1848-0-0x0000000003840000-0x0000000003841000-memory.dmp

memory/4160-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4160-5-0x0000000073742000-0x0000000073743000-memory.dmp

memory/4160-6-0x0000000073740000-0x0000000073CF1000-memory.dmp

memory/4160-7-0x0000000073740000-0x0000000073CF1000-memory.dmp

memory/4160-8-0x0000000073742000-0x0000000073743000-memory.dmp

memory/4160-9-0x0000000073740000-0x0000000073CF1000-memory.dmp

memory/4160-10-0x0000000073740000-0x0000000073CF1000-memory.dmp