Malware Analysis Report

2025-01-02 02:07

Sample ID 240202-p6934sgghq
Target 899245c956fc6316fc07b07cbd355eeb
SHA256 a3b940007040c2f2f7036b4b321ca564081762be8455aea095ee51ec8472decd
Tags
xtremerat persistence rat spyware upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

a3b940007040c2f2f7036b4b321ca564081762be8455aea095ee51ec8472decd

Threat Level: Known bad

The file 899245c956fc6316fc07b07cbd355eeb was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

XtremeRAT

Xtremerat family

Detect XtremeRAT payload

UPX packed file

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-02 12:57

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: behavioral2

Detonation Overview

Submitted

2024-02-02 12:57

Reported

2024-02-02 13:00

Platform

win10v2004-20231215-en

Max time kernel

134s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.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\899245c956fc6316fc07b07cbd355eeb.exe

"C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.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 424 -p 3776 -ip 3776

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3776 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3776 -ip 3776

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3776 -s 500

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 66.112.168.52.in-addr.arpa udp

Files

memory/4412-0-0x0000000010000000-0x000000001005A000-memory.dmp

memory/3776-1-0x0000000010000000-0x000000001005A000-memory.dmp

memory/4412-2-0x0000000010000000-0x000000001005A000-memory.dmp

memory/3776-3-0x0000000010000000-0x000000001005A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-02 12:57

Reported

2024-02-02 13:00

Platform

win7-20231129-en

Max time kernel

149s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2352 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Windows\SysWOW64\svchost.exe
PID 2352 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Windows\SysWOW64\svchost.exe
PID 2352 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Windows\SysWOW64\svchost.exe
PID 2352 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Windows\SysWOW64\svchost.exe
PID 2352 wrote to memory of 3056 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Windows\SysWOW64\svchost.exe
PID 2352 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2352 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2352 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2352 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2352 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe

"C:\Users\Admin\AppData\Local\Temp\899245c956fc6316fc07b07cbd355eeb.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe"

Network

N/A

Files

memory/2352-0-0x0000000010000000-0x000000001005A000-memory.dmp

memory/3056-1-0x0000000010000000-0x000000001005A000-memory.dmp

memory/3056-3-0x0000000010000000-0x000000001005A000-memory.dmp

memory/2352-4-0x0000000010000000-0x000000001005A000-memory.dmp

memory/3056-5-0x0000000010000000-0x000000001005A000-memory.dmp