Malware Analysis Report

2024-10-19 08:32

Sample ID 240816-wbahbs1enr
Target b31800b5ed8221033b5239d78b3e0200N.exe
SHA256 43d4da1dd00d39bee6977222b604d1b79141ad6aaeef02b962cb858d5c62ba6b
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

43d4da1dd00d39bee6977222b604d1b79141ad6aaeef02b962cb858d5c62ba6b

Threat Level: Known bad

The file b31800b5ed8221033b5239d78b3e0200N.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 WriteProcessMemory

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-16 17:44

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

2024-08-16 17:44

Reported

2024-08-16 17:46

Platform

win7-20240704-en

Max time kernel

100s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.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\b31800b5ed8221033b5239d78b3e0200N.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 2304 set thread context of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.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\b31800b5ed8221033b5239d78b3e0200N.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 2304 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2304 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2304 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2304 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2304 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2304 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2304 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2304 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 2304 wrote to memory of 3020 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.exe

"C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.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

Files

memory/2304-0-0x0000000000DB0000-0x0000000000EA3000-memory.dmp

memory/2304-1-0x0000000000130000-0x0000000000131000-memory.dmp

memory/3020-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3020-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3020-3-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3020-8-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3020-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/3020-10-0x00000000745E2000-0x00000000745E4000-memory.dmp

memory/2304-11-0x0000000000DB0000-0x0000000000EA3000-memory.dmp

memory/3020-12-0x00000000745E2000-0x00000000745E4000-memory.dmp

memory/2304-16-0x0000000000DB0000-0x0000000000EA3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-16 17:44

Reported

2024-08-16 17:46

Platform

win10v2004-20240802-en

Max time kernel

107s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.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\b31800b5ed8221033b5239d78b3e0200N.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 1988 set thread context of 2160 N/A C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.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\b31800b5ed8221033b5239d78b3e0200N.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\b31800b5ed8221033b5239d78b3e0200N.exe

"C:\Users\Admin\AppData\Local\Temp\b31800b5ed8221033b5239d78b3e0200N.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 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
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/1988-0-0x0000000000520000-0x0000000000613000-memory.dmp

memory/1988-1-0x0000000000A80000-0x0000000000A81000-memory.dmp

memory/2160-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2160-6-0x0000000073612000-0x0000000073613000-memory.dmp

memory/2160-7-0x0000000073610000-0x0000000073BC1000-memory.dmp

memory/2160-8-0x0000000073610000-0x0000000073BC1000-memory.dmp

memory/1988-9-0x0000000000520000-0x0000000000613000-memory.dmp

memory/2160-10-0x0000000073612000-0x0000000073613000-memory.dmp

memory/2160-11-0x0000000073610000-0x0000000073BC1000-memory.dmp

memory/2160-12-0x0000000073610000-0x0000000073BC1000-memory.dmp

memory/1988-16-0x0000000000520000-0x0000000000613000-memory.dmp