Malware Analysis Report

2025-06-16 01:03

Sample ID 221123-v3wn7sag54
Target a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c
SHA256 a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c
Tags
upx xtremerat persistence rat spyware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c

Threat Level: Known bad

The file a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c was found to be: Known bad.

Malicious Activity Summary

upx xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

UPX packed file

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-23 17:31

Signatures

UPX packed file

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

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-23 17:31

Reported

2022-11-23 19:34

Platform

win10v2004-20221111-en

Max time kernel

306s

Max time network

328s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 216 wrote to memory of 4212 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 216 wrote to memory of 4212 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 216 wrote to memory of 4212 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 216 wrote to memory of 4212 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 216 wrote to memory of 4212 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 216 wrote to memory of 4212 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 216 wrote to memory of 4212 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 216 wrote to memory of 4212 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe

"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"

C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe

"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"

Network

Country Destination Domain Proto
N/A 104.80.225.205:443 tcp
N/A 87.248.202.1:80 tcp
N/A 87.248.202.1:80 tcp
N/A 93.184.220.29:80 tcp
N/A 8.248.99.254:80 tcp
N/A 8.248.99.254:80 tcp
N/A 52.242.97.97:443 tcp
N/A 8.8.8.8:53 96.108.152.52.in-addr.arpa udp
N/A 8.8.8.8:53 f.7.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.7.0.0.0.0.3.0.1.3.0.6.2.ip6.arpa udp

Files

memory/216-132-0x0000000000400000-0x0000000000448000-memory.dmp

memory/4212-135-0x0000000000000000-mapping.dmp

memory/4212-136-0x0000000000400000-0x0000000000406000-memory.dmp

memory/216-140-0x0000000000400000-0x0000000000448000-memory.dmp

memory/4212-141-0x0000000000400000-0x0000000000406000-memory.dmp

memory/4212-142-0x0000000000400000-0x0000000000406000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-23 17:31

Reported

2022-11-23 19:32

Platform

win7-20221111-en

Max time kernel

12s

Max time network

30s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.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
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
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

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

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1420 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 1420 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 1420 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 1420 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 1420 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 1420 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 1420 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 1420 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 1420 wrote to memory of 276 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 276 wrote to memory of 272 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe
PID 272 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 272 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 272 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 272 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 272 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe

"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"

C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe

"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"

C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe

"C:\Users\Admin\AppData\Local\Temp\a9c8442965d5fda4de06075b0e306753341775fa0aa1450f8f4d71a68e358f3c.exe"

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

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

Network

N/A

Files

memory/276-56-0x0000000000400000-0x0000000000406000-memory.dmp

memory/276-57-0x00000000004010B0-mapping.dmp

memory/1420-59-0x0000000000400000-0x0000000000448000-memory.dmp

memory/272-62-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-63-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-65-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-66-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-68-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-69-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-67-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-71-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-72-0x000000001000D0F4-mapping.dmp

memory/276-73-0x0000000000400000-0x0000000000406000-memory.dmp

memory/272-74-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-75-0x0000000074D71000-0x0000000074D73000-memory.dmp

memory/272-76-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-77-0x0000000010000000-0x000000001004A000-memory.dmp

memory/272-78-0x0000000000400000-0x0000000000448000-memory.dmp

memory/272-79-0x0000000010000000-0x000000001004A000-memory.dmp