Malware Analysis Report

2024-12-07 21:20

Sample ID 240205-aebznsebf3
Target 90844ef2c6d36deeee5a5e041e001278
SHA256 3ab164f3368093e4dfc1d8d03a94e7df887e7c6b801218f92ae73ee5bfecc0e4
Tags
upx xtremerat persistence rat spyware
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

3ab164f3368093e4dfc1d8d03a94e7df887e7c6b801218f92ae73ee5bfecc0e4

Threat Level: Known bad

The file 90844ef2c6d36deeee5a5e041e001278 was found to be: Known bad.

Malicious Activity Summary

upx xtremerat persistence rat spyware

Xtremerat family

Detect XtremeRAT payload

XtremeRAT

UPX packed file

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-05 00:07

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-05 00:07

Reported

2024-02-05 00:09

Platform

win7-20231129-en

Max time kernel

140s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90844ef2c6d36deeee5a5e041e001278.exe"

Signatures

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\90844ef2c6d36deeee5a5e041e001278.exe

"C:\Users\Admin\AppData\Local\Temp\90844ef2c6d36deeee5a5e041e001278.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 160

Network

N/A

Files

memory/2956-0-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2956-1-0x0000000010000000-0x0000000010048000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-05 00:07

Reported

2024-02-05 00:09

Platform

win10v2004-20231215-en

Max time kernel

139s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\90844ef2c6d36deeee5a5e041e001278.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

UPX packed file

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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\90844ef2c6d36deeee5a5e041e001278.exe

"C:\Users\Admin\AppData\Local\Temp\90844ef2c6d36deeee5a5e041e001278.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4464 -ip 4464

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4464 -ip 4464

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 500

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/1484-0-0x0000000010000000-0x0000000010048000-memory.dmp

memory/4464-1-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1484-2-0x0000000010000000-0x0000000010048000-memory.dmp

memory/4464-3-0x0000000010000000-0x0000000010048000-memory.dmp