Malware Analysis Report

2024-12-07 22:44

Sample ID 240719-dhlvtsshjb
Target MalwareBazaar.0
SHA256 c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160
Tags
remcos henchnewfile 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

c05d634d51542921796702112f1b7c8aabbaa9845eb4f26d3dffcb3bb2dfb160

Threat Level: Known bad

The file MalwareBazaar.0 was found to be: Known bad.

Malicious Activity Summary

remcos henchnewfile rat

Remcos

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-19 03:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 03:00

Reported

2024-07-19 03:03

Platform

win7-20240708-en

Max time kernel

122s

Max time network

124s

Command Line

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

Signatures

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 844

Network

N/A

Files

memory/2664-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

memory/2664-1-0x0000000000890000-0x000000000099A000-memory.dmp

memory/2664-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

memory/2664-3-0x0000000000760000-0x000000000077A000-memory.dmp

memory/2664-4-0x00000000007E0000-0x00000000007EE000-memory.dmp

memory/2664-5-0x00000000745CE000-0x00000000745CF000-memory.dmp

memory/2664-6-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 03:00

Reported

2024-07-19 03:03

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

150s

Command Line

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

Signatures

Remcos

rat remcos

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1896 set thread context of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 1896 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
PL 91.223.3.151:4508 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
PL 91.223.3.151:4508 tcp
PL 91.223.3.151:4508 tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
PL 91.223.3.151:4508 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
PL 91.223.3.151:4508 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
PL 91.223.3.151:4508 tcp
PL 91.223.3.151:4508 tcp

Files

memory/1896-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

memory/1896-1-0x0000000000260000-0x000000000036A000-memory.dmp

memory/1896-2-0x0000000005390000-0x0000000005934000-memory.dmp

memory/1896-3-0x0000000004DE0000-0x0000000004E72000-memory.dmp

memory/1896-4-0x0000000005010000-0x0000000005364000-memory.dmp

memory/1896-5-0x0000000074C80000-0x0000000075430000-memory.dmp

memory/1896-6-0x0000000004F00000-0x0000000004F0A000-memory.dmp

memory/1896-7-0x0000000005BE0000-0x0000000005BFA000-memory.dmp

memory/1896-8-0x0000000006410000-0x000000000641E000-memory.dmp

memory/1896-9-0x00000000065C0000-0x0000000006680000-memory.dmp

memory/1768-17-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1896-18-0x0000000074C80000-0x0000000075430000-memory.dmp

memory/1768-16-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-15-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-14-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-12-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-11-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1896-10-0x000000000A580000-0x000000000A61C000-memory.dmp

memory/1768-19-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-20-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-22-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-24-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-25-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-26-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-27-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-28-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-29-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1768-30-0x0000000000400000-0x0000000000482000-memory.dmp