Malware Analysis Report

2024-12-07 22:43

Sample ID 240723-hx9yestcnb
Target Quotation.exe
SHA256 043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728
Tags
remcos zip rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

043f6e5b65055436ee950f3ebd72ed16589a34742deea3ad82e946bba1b94728

Threat Level: Known bad

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

Malicious Activity Summary

remcos zip rat

Remcos

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-23 07:08

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 07:08

Reported

2024-07-23 07:10

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"

Signatures

Remcos

rat remcos

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1864 set thread context of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
PID 1864 wrote to memory of 864 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 vegetachcnc.com udp
US 8.8.8.8:53 g.bing.com udp
US 107.173.4.18:2556 vegetachcnc.com tcp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 18.4.173.107.in-addr.arpa 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 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/1864-0-0x00007FF8CEFE3000-0x00007FF8CEFE5000-memory.dmp

memory/1864-1-0x0000013C06B80000-0x0000013C06B8A000-memory.dmp

memory/1864-2-0x0000013C21010000-0x0000013C210E2000-memory.dmp

memory/1864-3-0x00007FF8CEFE0000-0x00007FF8CFAA1000-memory.dmp

memory/864-4-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-5-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-6-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-7-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-8-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1864-9-0x00007FF8CEFE0000-0x00007FF8CFAA1000-memory.dmp

memory/864-10-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-11-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-12-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-13-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-15-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-16-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-17-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-18-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-19-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-20-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-22-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-24-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-25-0x0000000000400000-0x0000000000482000-memory.dmp

memory/864-26-0x0000000000400000-0x0000000000482000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-23 07:08

Reported

2024-07-23 07:10

Platform

win7-20240708-en

Max time kernel

149s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"

Signatures

Remcos

rat remcos

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2848 set thread context of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Program Files (x86)\Windows Media Player\wmplayer.exe
PID 2848 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\system32\WerFault.exe
PID 2848 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\system32\WerFault.exe
PID 2848 wrote to memory of 1008 N/A C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\Windows\system32\WerFault.exe

Processes

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

"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"

C:\Program Files (x86)\Windows Media Player\wmplayer.exe

"C:\Program Files (x86)\Windows Media Player\wmplayer.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2848 -s 644

Network

Country Destination Domain Proto
US 8.8.8.8:53 vegetachcnc.com udp
US 107.173.4.18:2556 vegetachcnc.com tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

memory/2848-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

memory/2848-1-0x0000000001390000-0x000000000139A000-memory.dmp

memory/2848-2-0x000000001ACB0000-0x000000001AD82000-memory.dmp

memory/2848-3-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

memory/2700-8-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-5-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-10-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-16-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-24-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-25-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2700-14-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-12-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-6-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-18-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-26-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-28-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-27-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-29-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-31-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2848-32-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

memory/2848-33-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

memory/2700-34-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-36-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-35-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-37-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-39-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-40-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-43-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2700-44-0x0000000000400000-0x0000000000482000-memory.dmp