Malware Analysis Report

2025-01-02 02:15

Sample ID 240127-3qbr9segd2
Target 7b9731b71c1b7f94c0747406687c9f72
SHA256 8edf305ce7e4270c8d111fd9172b4168fbcf63e6bd7a53b937eb90d6b069d1b2
Tags
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

8edf305ce7e4270c8d111fd9172b4168fbcf63e6bd7a53b937eb90d6b069d1b2

Threat Level: Known bad

The file 7b9731b71c1b7f94c0747406687c9f72 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

Xtremerat family

XtremeRAT

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-27 23:42

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-27 23:42

Reported

2024-01-27 23:45

Platform

win7-20231129-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.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

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1388 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Windows\SysWOW64\svchost.exe
PID 1388 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Windows\SysWOW64\svchost.exe
PID 1388 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Windows\SysWOW64\svchost.exe
PID 1388 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Windows\SysWOW64\svchost.exe
PID 1388 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Windows\SysWOW64\svchost.exe
PID 1388 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1388 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1388 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1388 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1388 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe

"C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.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/2164-0-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2164-2-0x0000000010000000-0x000000001004F000-memory.dmp

memory/1388-3-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2164-4-0x0000000010000000-0x000000001004F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-27 23:42

Reported

2024-01-27 23:45

Platform

win10v2004-20231222-en

Max time kernel

124s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.exe

"C:\Users\Admin\AppData\Local\Temp\7b9731b71c1b7f94c0747406687c9f72.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 456 -p 4240 -ip 4240

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4240 -ip 4240

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4240 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp

Files

memory/4240-0-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2492-1-0x0000000010000000-0x000000001004F000-memory.dmp

memory/4240-2-0x0000000010000000-0x000000001004F000-memory.dmp