Malware Analysis Report

2025-06-16 01:16

Sample ID 231208-pzjbtaef3v
Target 9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe
SHA256 9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4
Tags
remcos remotehost persistence rat
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

9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4

Threat Level: Known bad

The file 9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe was found to be: Known bad.

Malicious Activity Summary

remcos remotehost persistence rat

Remcos

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-08 12:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-08 12:45

Reported

2023-12-08 12:50

Platform

win7-20231020-en

Max time kernel

2s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe"

Signatures

Remcos

rat remcos

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kphowarhu = "C:\\Users\\Admin\\AppData\\Roaming\\Kphowarhu.exe" C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe

"C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c powershell set-mppreference -exclusionpath C:\

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

powershell set-mppreference -exclusionpath C:\

C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe

C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe

Network

Country Destination Domain Proto
US 95.214.27.6:3348 tcp
US 95.214.27.6:3348 tcp
US 95.214.27.6:3348 tcp
US 95.214.27.6:3348 tcp
US 95.214.27.6:3348 tcp
US 95.214.27.6:3348 tcp
US 95.214.27.6:3348 tcp

Files

memory/1736-0-0x0000000000050000-0x00000000000DE000-memory.dmp

memory/1736-1-0x0000000074C30000-0x000000007531E000-memory.dmp

memory/1736-2-0x00000000046C0000-0x000000000473E000-memory.dmp

memory/1736-3-0x0000000004500000-0x0000000004540000-memory.dmp

memory/1736-4-0x0000000004B80000-0x0000000004BEE000-memory.dmp

memory/1736-5-0x0000000000450000-0x000000000049C000-memory.dmp

memory/2832-8-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-13-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-15-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-25-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-27-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-32-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-31-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-33-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1736-26-0x0000000074C30000-0x000000007531E000-memory.dmp

memory/2832-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2832-19-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-17-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-11-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-9-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-7-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2772-35-0x0000000074C90000-0x000000007523B000-memory.dmp

memory/2772-36-0x00000000003C0000-0x0000000000400000-memory.dmp

memory/2772-34-0x0000000074C90000-0x000000007523B000-memory.dmp

memory/2772-37-0x00000000003C0000-0x0000000000400000-memory.dmp

memory/2772-38-0x0000000074C90000-0x000000007523B000-memory.dmp

memory/2832-43-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-44-0x0000000000400000-0x0000000000482000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 18c807b7d870d9f265cc2827e723d121
SHA1 4278f66065a4a8e28069256067e6447ec1bda562
SHA256 82476e8ed4827de83a240619c5dbaf1958d59ee8acaa75172f9d708696b1bf44
SHA512 50bc3ac16871fd80096901eba384faa7acec502ae38b2df73d7ac5b6a9f5716529d6c2eb28d5813c51a77beb12c07af1bf326b3d4d6915370bc7634b9de64abc

memory/2832-49-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-50-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-56-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-57-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-62-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-63-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-68-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-70-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-75-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2832-76-0x0000000000400000-0x0000000000482000-memory.dmp

Analysis: behavioral2

Detonation Overview

Reported

0001-01-01 00:00

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A