Malware Analysis Report

2024-12-07 22:53

Sample ID 240510-mabjkagh2v
Target 2776-29-0x0000000000400000-0x0000000000417000-memory.dmp
SHA256 0b087d5eefeb802442af50eca83ac0f70c7c9f8877126f6236150b4d66beddf8
Tags
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

0b087d5eefeb802442af50eca83ac0f70c7c9f8877126f6236150b4d66beddf8

Threat Level: Known bad

The file 2776-29-0x0000000000400000-0x0000000000417000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

remcos

Remcos family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-10 10:15

Signatures

Remcos family

remcos

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 10:15

Reported

2024-05-10 10:17

Platform

win7-20240508-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 172

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 10:15

Reported

2024-05-10 10:17

Platform

win10v2004-20240426-en

Max time kernel

136s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2776-29-0x0000000000400000-0x0000000000417000-memory.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1688 -ip 1688

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 532

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 75.61.62.23.in-addr.arpa udp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

N/A