Malware Analysis Report

2024-09-11 13:45

Sample ID 240614-g8h4eascnk
Target Wyvernnlolcrack.exe
SHA256 d6a149f13102a6c416021b62891c7938ab9e4d56996dbe52e39c3d7128da12c1
Tags
xworm rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

d6a149f13102a6c416021b62891c7938ab9e4d56996dbe52e39c3d7128da12c1

Threat Level: Known bad

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

Malicious Activity Summary

xworm rat trojan

Detect Xworm Payload

Xworm

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 06:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 06:28

Reported

2024-06-14 06:30

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

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

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1492 wrote to memory of 628 N/A C:\Users\Admin\AppData\Local\Temp\Wyvernnlolcrack.exe C:\Windows\system32\WerFault.exe
PID 1492 wrote to memory of 628 N/A C:\Users\Admin\AppData\Local\Temp\Wyvernnlolcrack.exe C:\Windows\system32\WerFault.exe
PID 1492 wrote to memory of 628 N/A C:\Users\Admin\AppData\Local\Temp\Wyvernnlolcrack.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1492 -s 556

Network

N/A

Files

memory/1492-0-0x000007FEF6053000-0x000007FEF6054000-memory.dmp

memory/1492-1-0x0000000001020000-0x0000000001034000-memory.dmp

memory/1492-2-0x00000000001C0000-0x00000000001D8000-memory.dmp

memory/1492-3-0x000007FEF6053000-0x000007FEF6054000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 06:28

Reported

2024-06-14 06:31

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

152s

Command Line

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

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp

Files

memory/3732-0-0x0000000000670000-0x0000000000684000-memory.dmp

memory/3732-1-0x00007FFC02A70000-0x00007FFC02C11000-memory.dmp

memory/3732-2-0x0000000002910000-0x0000000002928000-memory.dmp

memory/3732-3-0x00007FFC02A70000-0x00007FFC02C11000-memory.dmp