Malware Analysis Report

2025-01-02 02:16

Sample ID 240201-fjfrbadfck
Target 85fb2cf0bc9834f4e9db89f1dc08cfe0
SHA256 58189800a4f2a35b31cedebd4c553371f7e723a08fb9229b2f54922230d70c0e
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

58189800a4f2a35b31cedebd4c553371f7e723a08fb9229b2f54922230d70c0e

Threat Level: Known bad

The file 85fb2cf0bc9834f4e9db89f1dc08cfe0 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Xtremerat family

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-01 04:53

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

2024-02-01 04:53

Reported

2024-02-01 04:56

Platform

win7-20231215-en

Max time kernel

149s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.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 2060 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Windows\SysWOW64\svchost.exe
PID 2060 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Windows\SysWOW64\svchost.exe
PID 2060 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Windows\SysWOW64\svchost.exe
PID 2060 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Windows\SysWOW64\svchost.exe
PID 2060 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Windows\SysWOW64\svchost.exe
PID 2060 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2060 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2060 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2060 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2060 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe

"C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.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/2356-0-0x0000000010000000-0x0000000010047000-memory.dmp

memory/2356-2-0x0000000010000000-0x0000000010047000-memory.dmp

memory/2060-3-0x0000000010000000-0x0000000010047000-memory.dmp

memory/2356-4-0x0000000010000000-0x0000000010047000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-01 04:53

Reported

2024-02-01 04:56

Platform

win10v2004-20231215-en

Max time kernel

143s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.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\85fb2cf0bc9834f4e9db89f1dc08cfe0.exe

"C:\Users\Admin\AppData\Local\Temp\85fb2cf0bc9834f4e9db89f1dc08cfe0.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 452 -p 4764 -ip 4764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4764 -ip 4764

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 504

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 28.73.42.20.in-addr.arpa udp

Files

memory/4764-0-0x0000000010000000-0x0000000010047000-memory.dmp

memory/1928-1-0x0000000010000000-0x0000000010047000-memory.dmp

memory/4764-2-0x0000000010000000-0x0000000010047000-memory.dmp