Malware Analysis Report

2025-01-18 04:54

Sample ID 241020-e8hfrszaqe
Target ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N
SHA256 ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5
Tags
revengerat april 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

ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5

Threat Level: Known bad

The file ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N was found to be: Known bad.

Malicious Activity Summary

revengerat april discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

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

2024-10-20 04:36

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

2024-10-20 04:36

Reported

2024-10-20 04:39

Platform

win7-20240903-en

Max time kernel

147s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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\cap.url C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2316 set thread context of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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 2316 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2316 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2316 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2316 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2316 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2316 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2316 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2316 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2316 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe

"C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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 mallorca.myftp.org udp

Files

memory/2316-0-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/2696-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2696-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2696-7-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2696-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2696-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2696-13-0x00000000749E2000-0x00000000749E4000-memory.dmp

memory/2696-14-0x00000000749E2000-0x00000000749E4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-20 04:36

Reported

2024-10-20 04:39

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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\cap.url C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2700 set thread context of 2696 N/A C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.exe

"C:\Users\Admin\AppData\Local\Temp\ce6995d970f47c61f914b54a6afebb7909177adedbbc418aef102e0994f72ea5N.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 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 mallorca.myftp.org udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
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

Files

memory/2700-0-0x0000000001490000-0x0000000001491000-memory.dmp

memory/2696-1-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2696-5-0x0000000073F72000-0x0000000073F73000-memory.dmp

memory/2696-10-0x0000000073F70000-0x0000000074521000-memory.dmp

memory/2696-11-0x0000000073F70000-0x0000000074521000-memory.dmp

memory/2696-12-0x0000000073F72000-0x0000000073F73000-memory.dmp

memory/2696-13-0x0000000073F70000-0x0000000074521000-memory.dmp

memory/2696-14-0x0000000073F70000-0x0000000074521000-memory.dmp