Malware Analysis Report

2024-10-19 08:32

Sample ID 240820-xtqspsycqc
Target eac91d62d3b24d6c1c0323674ad6d300N.exe
SHA256 5f83a8d5469d2411d2ec46c25c29b61f62d2fe3f2411a7c1573aae47e339e363
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

5f83a8d5469d2411d2ec46c25c29b61f62d2fe3f2411a7c1573aae47e339e363

Threat Level: Known bad

The file eac91d62d3b24d6c1c0323674ad6d300N.exe was found to be: Known bad.

Malicious Activity Summary

revengerat marzo26 discovery trojan

RevengeRAT

Drops startup file

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-20 19:09

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

2024-08-20 19:08

Reported

2024-08-20 19:11

Platform

win7-20240708-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.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\eac91d62d3b24d6c1c0323674ad6d300N.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 1816 set thread context of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.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\eac91d62d3b24d6c1c0323674ad6d300N.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 1816 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1816 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1816 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1816 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1816 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1816 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1816 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1816 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
PID 1816 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.exe

"C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.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/1816-0-0x0000000000CC0000-0x0000000000DB3000-memory.dmp

memory/1816-1-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/2656-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2656-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2656-4-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2656-9-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2656-10-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2656-11-0x00000000747E2000-0x00000000747E4000-memory.dmp

memory/1816-12-0x0000000000CC0000-0x0000000000DB3000-memory.dmp

memory/2656-13-0x00000000747E2000-0x00000000747E4000-memory.dmp

memory/1816-17-0x0000000000CC0000-0x0000000000DB3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-20 19:08

Reported

2024-08-20 19:11

Platform

win10v2004-20240802-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.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\eac91d62d3b24d6c1c0323674ad6d300N.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 3792 set thread context of 2068 N/A C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.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\eac91d62d3b24d6c1c0323674ad6d300N.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\eac91d62d3b24d6c1c0323674ad6d300N.exe

"C:\Users\Admin\AppData\Local\Temp\eac91d62d3b24d6c1c0323674ad6d300N.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 marzorevenger.duckdns.org udp
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
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
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
CO 186.85.86.137:4230 marzorevenger.duckdns.org tcp

Files

memory/3792-0-0x0000000000830000-0x0000000000923000-memory.dmp

memory/3792-1-0x0000000003FD0000-0x0000000003FD1000-memory.dmp

memory/2068-2-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2068-6-0x0000000073F32000-0x0000000073F33000-memory.dmp

memory/2068-7-0x0000000073F30000-0x00000000744E1000-memory.dmp

memory/2068-8-0x0000000073F30000-0x00000000744E1000-memory.dmp

memory/3792-9-0x0000000000830000-0x0000000000923000-memory.dmp

memory/2068-10-0x0000000073F32000-0x0000000073F33000-memory.dmp

memory/2068-11-0x0000000073F30000-0x00000000744E1000-memory.dmp

memory/3792-15-0x0000000000830000-0x0000000000923000-memory.dmp