Malware Analysis Report

2024-10-23 21:20

Sample ID 240824-yxwc2ayeml
Target b0aff5a87339c71a8fd5b4714d7b6970N.exe
SHA256 e2ca6a0358a57f10be165d06469046fa711f9f5d1dc31183c820897db7358198
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

e2ca6a0358a57f10be165d06469046fa711f9f5d1dc31183c820897db7358198

Threat Level: Known bad

The file b0aff5a87339c71a8fd5b4714d7b6970N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-24 20:10

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 20:10

Reported

2024-08-24 20:12

Platform

win7-20240704-en

Max time kernel

106s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.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\b0aff5a87339c71a8fd5b4714d7b6970N.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 1052 set thread context of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.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\b0aff5a87339c71a8fd5b4714d7b6970N.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 1052 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1052 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1052 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1052 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1052 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1052 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1052 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1052 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1052 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.exe

"C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.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
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

Files

memory/1052-0-0x00000000011A0000-0x0000000001293000-memory.dmp

memory/1052-1-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2908-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2908-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2908-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2908-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2908-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2908-10-0x0000000073A02000-0x0000000073A04000-memory.dmp

memory/1052-11-0x00000000011A0000-0x0000000001293000-memory.dmp

memory/2908-12-0x0000000073A02000-0x0000000073A04000-memory.dmp

memory/1052-16-0x00000000011A0000-0x0000000001293000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-24 20:10

Reported

2024-08-24 20:12

Platform

win10v2004-20240802-en

Max time kernel

117s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.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\b0aff5a87339c71a8fd5b4714d7b6970N.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 2956 set thread context of 4968 N/A C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.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:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.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\b0aff5a87339c71a8fd5b4714d7b6970N.exe

"C:\Users\Admin\AppData\Local\Temp\b0aff5a87339c71a8fd5b4714d7b6970N.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
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 45.56.20.217.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 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa 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 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

Files

memory/2956-0-0x0000000000840000-0x0000000000933000-memory.dmp

memory/2956-1-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

memory/4968-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/4968-6-0x0000000073612000-0x0000000073613000-memory.dmp

memory/4968-7-0x0000000073610000-0x0000000073BC1000-memory.dmp

memory/4968-8-0x0000000073610000-0x0000000073BC1000-memory.dmp

memory/2956-9-0x0000000000840000-0x0000000000933000-memory.dmp

memory/4968-10-0x0000000073612000-0x0000000073613000-memory.dmp

memory/4968-11-0x0000000073610000-0x0000000073BC1000-memory.dmp

memory/2956-15-0x0000000000840000-0x0000000000933000-memory.dmp