Malware Analysis Report

2024-12-07 22:45

Sample ID 240718-re4hcsveke
Target MalwareBazaar.6
SHA256 18f679a41695816dc45091ee43ebb682ffc901a09211548cada55ea87f79bc84
Tags
remcos evansnewfile rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

18f679a41695816dc45091ee43ebb682ffc901a09211548cada55ea87f79bc84

Threat Level: Known bad

The file MalwareBazaar.6 was found to be: Known bad.

Malicious Activity Summary

remcos evansnewfile rat

Remcos

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-18 14:07

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-18 14:07

Reported

2024-07-18 14:09

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

151s

Command Line

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

Signatures

Remcos

rat remcos

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2200 set thread context of 1404 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 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
PID 2200 wrote to memory of 1404 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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 83.177.190.20.in-addr.arpa udp
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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
PL 91.223.3.151:4508 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
PL 91.223.3.151:4508 tcp
PL 91.223.3.151:4508 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
PL 91.223.3.151:4508 tcp
PL 91.223.3.151:4508 tcp
PL 91.223.3.151:4508 tcp

Files

memory/2200-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

memory/2200-1-0x0000000000CC0000-0x0000000000DCA000-memory.dmp

memory/2200-2-0x0000000005C50000-0x00000000061F4000-memory.dmp

memory/2200-3-0x00000000056A0000-0x0000000005732000-memory.dmp

memory/2200-4-0x0000000005740000-0x0000000005A94000-memory.dmp

memory/2200-5-0x00000000745E0000-0x0000000074D90000-memory.dmp

memory/2200-6-0x0000000005B90000-0x0000000005B9A000-memory.dmp

memory/2200-7-0x00000000088E0000-0x00000000088FA000-memory.dmp

memory/2200-8-0x0000000006C30000-0x0000000006C3E000-memory.dmp

memory/2200-9-0x0000000006DE0000-0x0000000006EA0000-memory.dmp

memory/2200-10-0x000000000AE80000-0x000000000AF1C000-memory.dmp

memory/1404-11-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-12-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-14-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-16-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-15-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-17-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2200-18-0x00000000745E0000-0x0000000074D90000-memory.dmp

memory/1404-19-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-20-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-22-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-24-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-25-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-26-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-27-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-28-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-29-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1404-30-0x0000000000400000-0x0000000000482000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-18 14:07

Reported

2024-07-18 14:09

Platform

win7-20240708-en

Max time kernel

117s

Max time network

119s

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 2072 -s 836

Network

N/A

Files

memory/2072-0-0x000000007474E000-0x000000007474F000-memory.dmp

memory/2072-1-0x0000000000C00000-0x0000000000D0A000-memory.dmp

memory/2072-2-0x0000000074740000-0x0000000074E2E000-memory.dmp

memory/2072-3-0x0000000000740000-0x000000000075A000-memory.dmp

memory/2072-4-0x0000000000950000-0x000000000095E000-memory.dmp

memory/2072-5-0x000000007474E000-0x000000007474F000-memory.dmp

memory/2072-6-0x0000000074740000-0x0000000074E2E000-memory.dmp