Malware Analysis Report

2024-11-16 13:32

Sample ID 240620-zwejka1enq
Target mycodebros.exe
SHA256 1593de1aa28a4d31bb8ca3d627ffdea2c0b11c3a3ef65a40c73efd6f3c1d2cd3
Tags
xworm rat trojan
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

1593de1aa28a4d31bb8ca3d627ffdea2c0b11c3a3ef65a40c73efd6f3c1d2cd3

Threat Level: Known bad

The file mycodebros.exe was found to be: Known bad.

Malicious Activity Summary

xworm rat trojan

Xworm

Detect Xworm Payload

Xworm family

Drops startup file

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 21:03

Signatures

Detect Xworm Payload

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

Xworm family

xworm

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 21:03

Reported

2024-06-20 21:06

Platform

win7-20240508-en

Max time kernel

132s

Max time network

141s

Command Line

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

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mycodebros.lnk C:\Users\Admin\AppData\Local\Temp\mycodebros.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mycodebros.lnk C:\Users\Admin\AppData\Local\Temp\mycodebros.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\mycodebros.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 et-hansen.gl.at.ply.gg udp
US 8.8.8.8:53 et-hansen.gl.at.ply.gg udp
US 8.8.8.8:53 et-hansen.gl.at.ply.gg udp
US 8.8.8.8:53 et-hansen.gl.at.ply.gg udp
US 8.8.8.8:53 et-hansen.gl.at.ply.gg udp
US 8.8.8.8:53 et-hansen.gl.at.ply.gg udp
US 8.8.8.8:53 et-hansen.gl.at.ply.gg udp
US 8.8.8.8:53 et-hansen.gl.at.ply.gg udp

Files

memory/2244-0-0x000007FEF5623000-0x000007FEF5624000-memory.dmp

memory/2244-1-0x0000000001360000-0x000000000136E000-memory.dmp

memory/2244-6-0x000007FEF5620000-0x000007FEF600C000-memory.dmp

memory/2244-7-0x000007FEF5620000-0x000007FEF600C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 21:03

Reported

2024-06-20 21:06

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

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

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mycodebros.lnk C:\Users\Admin\AppData\Local\Temp\mycodebros.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mycodebros.lnk C:\Users\Admin\AppData\Local\Temp\mycodebros.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\mycodebros.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 et-hansen.gl.at.ply.gg udp
US 147.185.221.20:33635 et-hansen.gl.at.ply.gg tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
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 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4912-1-0x00007FFBE65B3000-0x00007FFBE65B5000-memory.dmp

memory/4912-0-0x00000000001E0000-0x00000000001EE000-memory.dmp

memory/4912-6-0x00007FFBE65B0000-0x00007FFBE7071000-memory.dmp

memory/4912-7-0x00007FFBE65B0000-0x00007FFBE7071000-memory.dmp