Malware Analysis Report

2024-12-07 22:34

Sample ID 240417-p3ccnshd6y
Target 128a52ddafb45a999c79c06e774d5dceac978bf408829026ff10c88f410570a6
SHA256 128a52ddafb45a999c79c06e774d5dceac978bf408829026ff10c88f410570a6
Tags
remotehost remcos
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

128a52ddafb45a999c79c06e774d5dceac978bf408829026ff10c88f410570a6

Threat Level: Known bad

The file 128a52ddafb45a999c79c06e774d5dceac978bf408829026ff10c88f410570a6 was found to be: Known bad.

Malicious Activity Summary

remotehost remcos

Remcos family

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-17 12:50

Signatures

Remcos family

remcos

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-17 12:50

Reported

2024-04-17 12:53

Platform

win7-20231129-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2d35feecb9b427d2f48f6fd0dd5ef71eb7ba75fe024d7c6f9067490bbabc3c17.exe"

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2d35feecb9b427d2f48f6fd0dd5ef71eb7ba75fe024d7c6f9067490bbabc3c17.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2d35feecb9b427d2f48f6fd0dd5ef71eb7ba75fe024d7c6f9067490bbabc3c17.exe

"C:\Users\Admin\AppData\Local\Temp\2d35feecb9b427d2f48f6fd0dd5ef71eb7ba75fe024d7c6f9067490bbabc3c17.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 rxmz.duckdns.org udp
US 89.117.23.22:57833 rxmz.duckdns.org tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

C:\ProgramData\remcos\logs.dat

MD5 7055542bb76f85fdb61d617848fb5a68
SHA1 a0bf1b349d4a22b31a960e89a71d573761f714e2
SHA256 58fda5501945cff481d1143b579e36b6cd2f677fac358a5b6145f4487ebb0fa5
SHA512 35ba928dbd55831269c809eb9d60b89d7ad835a2912ed9a5af8fa14aeac980a581cff09ea719d38a97dee69857d5b153366ff35d0f00cdfbfee3a954dca0572a

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-17 12:50

Reported

2024-04-17 12:53

Platform

win10v2004-20240412-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2d35feecb9b427d2f48f6fd0dd5ef71eb7ba75fe024d7c6f9067490bbabc3c17.exe"

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2d35feecb9b427d2f48f6fd0dd5ef71eb7ba75fe024d7c6f9067490bbabc3c17.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2d35feecb9b427d2f48f6fd0dd5ef71eb7ba75fe024d7c6f9067490bbabc3c17.exe

"C:\Users\Admin\AppData\Local\Temp\2d35feecb9b427d2f48f6fd0dd5ef71eb7ba75fe024d7c6f9067490bbabc3c17.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 rxmz.duckdns.org udp
US 89.117.23.22:57833 rxmz.duckdns.org tcp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 22.23.117.89.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 3.17.178.52.in-addr.arpa udp

Files

C:\ProgramData\remcos\logs.dat

MD5 bb0b210ff0fca402870c63b68bd2fd15
SHA1 fe782e6c533886501e9dacaf2f5909c420babd4a
SHA256 98e6d0d27fe683a612de544ce4f966a0eeabd87f89d925ade72460e191705854
SHA512 8058cfe2c4ea080b523176952d449324887350773da631fa778ff0494b8d79cf9bfefed430b8d531f98b97469644618f4b0b0ab599bdcdd0948886e306c62c37