Malware Analysis Report

2024-10-23 21:20

Sample ID 240824-cb5tpazckh
Target b8c3db488409b9e5310ab051976bb730N.exe
SHA256 849e0e75626ed27f2bd6d43d1b1314b9635ad9f3cc2710586f6ba736a92e612a
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

849e0e75626ed27f2bd6d43d1b1314b9635ad9f3cc2710586f6ba736a92e612a

Threat Level: Known bad

The file b8c3db488409b9e5310ab051976bb730N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 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

2024-08-24 01:55

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

2024-08-24 01:55

Reported

2024-08-24 01:57

Platform

win7-20240704-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.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\b8c3db488409b9e5310ab051976bb730N.exe N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2276 set thread context of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.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\b8c3db488409b9e5310ab051976bb730N.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 2276 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2276 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2276 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2276 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2276 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2276 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2276 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2276 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2276 wrote to memory of 1840 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.exe

"C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.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

Files

memory/2276-0-0x00000000013E0000-0x00000000014D3000-memory.dmp

memory/2276-1-0x0000000000170000-0x0000000000171000-memory.dmp

memory/1840-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1840-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1840-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1840-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1840-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/1840-10-0x0000000073DF2000-0x0000000073DF4000-memory.dmp

memory/2276-11-0x00000000013E0000-0x00000000014D3000-memory.dmp

memory/1840-12-0x0000000073DF2000-0x0000000073DF4000-memory.dmp

memory/2276-16-0x00000000013E0000-0x00000000014D3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-24 01:55

Reported

2024-08-24 01:57

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.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\b8c3db488409b9e5310ab051976bb730N.exe N/A

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2676 set thread context of 3256 N/A C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.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\b8c3db488409b9e5310ab051976bb730N.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\b8c3db488409b9e5310ab051976bb730N.exe

"C:\Users\Admin\AppData\Local\Temp\b8c3db488409b9e5310ab051976bb730N.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 marzorevenger.duckdns.org udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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 11.227.111.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/2676-0-0x0000000000460000-0x0000000000553000-memory.dmp

memory/2676-1-0x0000000001C20000-0x0000000001C21000-memory.dmp

memory/3256-2-0x0000000000790000-0x0000000000798000-memory.dmp

memory/3256-6-0x0000000073EB2000-0x0000000073EB3000-memory.dmp

memory/3256-7-0x0000000073EB0000-0x0000000074461000-memory.dmp

memory/3256-8-0x0000000073EB0000-0x0000000074461000-memory.dmp

memory/2676-9-0x0000000000460000-0x0000000000553000-memory.dmp

memory/3256-10-0x0000000073EB2000-0x0000000073EB3000-memory.dmp

memory/3256-11-0x0000000073EB0000-0x0000000074461000-memory.dmp

memory/2676-15-0x0000000000460000-0x0000000000553000-memory.dmp