Malware Analysis Report

2025-01-02 03:16

Sample ID 240402-y5mqvscf27
Target Quotation.exe
SHA256 470b539a4e4519ea56b67b517ad48a5ff794a740b39ffff1eb834b568fb77e52
Tags
remcos remotehost rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

470b539a4e4519ea56b67b517ad48a5ff794a740b39ffff1eb834b568fb77e52

Threat Level: Known bad

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

Malicious Activity Summary

remcos remotehost rat

Remcos

Drops startup file

Executes dropped EXE

Loads dropped DLL

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-02 20:22

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

2024-04-02 20:22

Reported

2024-04-02 20:25

Platform

win7-20240221-en

Max time kernel

161s

Max time network

178s

Command Line

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

Signatures

Remcos

rat remcos

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.vbs C:\Users\Admin\AppData\Local\directory\chrome.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\directory\chrome.exe N/A

Loads dropped DLL

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2612 set thread context of 2392 N/A C:\Users\Admin\AppData\Local\directory\chrome.exe C:\Windows\SysWOW64\svchost.exe

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\directory\chrome.exe N/A

Processes

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

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

C:\Users\Admin\AppData\Local\directory\chrome.exe

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

C:\Windows\SysWOW64\svchost.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 shgoini.com udp
US 107.175.229.143:30902 shgoini.com tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

memory/2888-10-0x00000000001A0000-0x00000000001A4000-memory.dmp

\Users\Admin\AppData\Local\directory\chrome.exe

MD5 7f1892820672063392f514d3830cdb00
SHA1 892ac693e0a2e359ebaa5808ee83a1557839d949
SHA256 91f1702bd32483c273d2b572ac42d7906690695ca67c8ca37fc02284a07bf688
SHA512 018bacfa15e71440cfb5e37b572ce320d81b4b1760e10b0b801e6054cdb75e44069933b865a23f099f8e792f9854e1f1c6543259f91486be4d9b1c12892db54f

C:\Users\Admin\AppData\Local\Temp\pyogenesis

MD5 5ed5fbdee0b73fbae50e27ac69ad7ae7
SHA1 283d4749e5729d7c5c3a51a6c15b1f7a47cf910f
SHA256 b049894d767c9e974b8e92f448acba5a2f86ed79dba36dbfffd2b9f2517e3881
SHA512 4034eda19cb86a9bb653210c9a746f4305f1c2b9656fa42dadadfb0fff119a09b73e9fa3d6656c7a73ba6e6cf267c0c56f55869c3c503ecccfd305d23ea0be8e

C:\Users\Admin\AppData\Local\Temp\ophiolatrous

MD5 d1f9c2f8115082d19910822ccc9e5c10
SHA1 2cb10976a5deb529dcc372015dbdb6d492bd86f6
SHA256 26fdc3781343a64e156175aafa9038d5a3751bf175401c371adaf3f7c3d1e88f
SHA512 5f56c64805e3ea031de93c7b8ecf3b286a646b2de8f0a827a1e7296526d8b357ce62817ec8b1d63bd893fdc33be1c2f456fbbc0521fea136d220439a6053f01d

memory/2392-30-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-32-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-33-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-34-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-35-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-36-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-37-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-38-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-41-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-42-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-43-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-44-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-45-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-46-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-47-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-48-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-49-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-50-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2392-51-0x0000000000400000-0x0000000000482000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 20:22

Reported

2024-04-02 20:24

Platform

win10v2004-20240226-en

Max time kernel

133s

Max time network

135s

Command Line

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

Signatures

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 78.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 99.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 227.97.18.2.in-addr.arpa udp

Files

memory/4280-10-0x0000000002010000-0x0000000002014000-memory.dmp