Malware Analysis Report

2024-12-07 04:28

Sample ID 241113-1gt65ssrcm
Target ateris_1 (1).dll
SHA256 6bf3f9c67b0432e7933ed2f213ea99d7521de76c0520bade043eb1f8fec23a80
Tags
miner xmrig discovery
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

6bf3f9c67b0432e7933ed2f213ea99d7521de76c0520bade043eb1f8fec23a80

Threat Level: Known bad

The file ateris_1 (1).dll was found to be: Known bad.

Malicious Activity Summary

miner xmrig discovery

XMRig Miner payload

Xmrig family

Drops startup file

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 21:37

Signatures

XMRig Miner payload

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

Xmrig family

xmrig

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 21:37

Reported

2024-11-13 21:40

Platform

win7-20240903-en

Max time kernel

121s

Max time network

124s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ateris_1 (1).dll",#1

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe C:\Windows\SysWOW64\rundll32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2504 wrote to memory of 1036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2504 wrote to memory of 1036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2504 wrote to memory of 1036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2504 wrote to memory of 1036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2504 wrote to memory of 1036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2504 wrote to memory of 1036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2504 wrote to memory of 1036 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ateris_1 (1).dll",#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ateris_1 (1).dll",#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 21:37

Reported

2024-11-13 21:40

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

144s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ateris_1 (1).dll",#1

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe C:\Windows\SysWOW64\rundll32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5064 wrote to memory of 3052 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5064 wrote to memory of 3052 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5064 wrote to memory of 3052 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ateris_1 (1).dll",#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ateris_1 (1).dll",#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 74.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

N/A