Malware Analysis Report

2025-01-02 02:15

Sample ID 240130-a5v58seca8
Target 81498b31ec61a1dd982aa6b8110a7513
SHA256 6a5b8ecfa8e36f0d7a4153c716045c94d443bccaa2946632578a073350a14345
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: 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

6a5b8ecfa8e36f0d7a4153c716045c94d443bccaa2946632578a073350a14345

Threat Level: Known bad

The file 81498b31ec61a1dd982aa6b8110a7513 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

UPX packed file

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-30 00:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-30 00:48

Reported

2024-01-30 00:50

Platform

win7-20231215-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.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

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2000 set thread context of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2000 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 2000 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 2000 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 2000 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 2000 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 2000 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 2000 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 2000 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 2000 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 2544 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2544 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2544 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2544 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2544 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe

"C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe"

C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe

"C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe"

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

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

Network

N/A

Files

memory/2544-2-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2544-4-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2544-6-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2544-7-0x0000000010000000-0x000000001004B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-30 00:48

Reported

2024-01-30 00:50

Platform

win10v2004-20231215-en

Max time kernel

142s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4908 set thread context of 4804 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4908 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 4908 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 4908 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 4908 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 4908 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 4908 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 4908 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 4908 wrote to memory of 4804 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe
PID 4804 wrote to memory of 4272 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4804 wrote to memory of 4272 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4804 wrote to memory of 4272 N/A C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe

"C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe"

C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe

"C:\Users\Admin\AppData\Local\Temp\81498b31ec61a1dd982aa6b8110a7513.exe"

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

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

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.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 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/4804-2-0x0000000010000000-0x000000001004B000-memory.dmp

memory/4804-4-0x0000000010000000-0x000000001004B000-memory.dmp

memory/4804-6-0x0000000010000000-0x000000001004B000-memory.dmp

memory/4804-5-0x0000000010000000-0x000000001004B000-memory.dmp

memory/4804-7-0x0000000010000000-0x000000001004B000-memory.dmp