Malware Analysis Report

2025-04-14 05:03

Sample ID 220516-b9ws1ahca4
Target 265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b
SHA256 265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b
Tags
revengerat guest persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b

Threat Level: Known bad

The file 265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b was found to be: Known bad.

Malicious Activity Summary

revengerat guest persistence trojan

RevengeRAT

Adds Run key to start application

Suspicious use of SetThreadContext

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-16 01:51

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-16 01:51

Reported

2022-05-16 01:53

Platform

win7-20220414-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe"

Signatures

RevengeRAT

trojan revengerat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\System.ServiceModel = "C:\\Users\\Admin\\AppData\\Local\\Temp\\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe" C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CENTRALPROCESSOR\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 976 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1564 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 976 wrote to memory of 1560 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe

Processes

C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe

"C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe"

C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe

"C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe"

C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe

"C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 fastbtc.dynu.net udp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp

Files

memory/976-54-0x0000000000380000-0x00000000003DC000-memory.dmp

memory/976-55-0x00000000752D1000-0x00000000752D3000-memory.dmp

memory/976-56-0x0000000000360000-0x0000000000376000-memory.dmp

memory/976-57-0x0000000000480000-0x0000000000498000-memory.dmp

memory/1560-59-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1560-61-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1560-58-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1560-63-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1560-64-0x000000000040693E-mapping.dmp

memory/1560-66-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1560-68-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-16 01:51

Reported

2022-05-16 01:53

Platform

win10v2004-20220414-en

Max time kernel

145s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe"

Signatures

RevengeRAT

trojan revengerat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System.ServiceModel = "C:\\Users\\Admin\\AppData\\Local\\Temp\\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe" C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0 C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4392 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 3944 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe
PID 4392 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe

Processes

C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe

"C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe"

C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe

"C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe"

C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe

"C:\Users\Admin\AppData\Local\Temp\265b84e3773655319c45d5fe2e4e84035781d42a6b324c37f703dfc809e9f07b.exe"

Network

Country Destination Domain Proto
NL 20.190.160.73:443 tcp
US 93.184.220.29:80 tcp
NL 20.190.160.8:443 tcp
US 104.208.16.90:443 tcp
NL 20.190.160.129:443 tcp
US 8.8.8.8:53 fastbtc.dynu.net udp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 20.190.160.75:443 tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 20.190.160.136:443 tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 20.190.160.2:443 tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp
NL 185.161.208.63:1604 fastbtc.dynu.net tcp

Files

memory/4392-130-0x00000000006D0000-0x000000000072C000-memory.dmp

memory/4392-131-0x00000000056F0000-0x0000000005C94000-memory.dmp

memory/4392-132-0x00000000051E0000-0x0000000005272000-memory.dmp

memory/4392-133-0x0000000005140000-0x000000000514A000-memory.dmp

memory/4392-134-0x00000000053F0000-0x0000000005466000-memory.dmp

memory/4392-135-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

memory/3944-136-0x0000000000000000-mapping.dmp

memory/1292-137-0x0000000000000000-mapping.dmp

memory/1292-138-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1292-139-0x0000000005270000-0x000000000530C000-memory.dmp

memory/1292-140-0x0000000005320000-0x0000000005386000-memory.dmp