Malware Analysis Report

2025-01-02 02:16

Sample ID 240129-yr2mvsbbhq
Target 80bcb5330f6c171e3fbf0fe974b2b74d
SHA256 be3d36107b945e834dea3913f487e7b39d680975a0c363f3b06ce9559bcf19a9
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

be3d36107b945e834dea3913f487e7b39d680975a0c363f3b06ce9559bcf19a9

Threat Level: Known bad

The file 80bcb5330f6c171e3fbf0fe974b2b74d was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

Modifies Installed Components in the registry

UPX packed file

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in System32 directory

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-29 20:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-29 20:01

Reported

2024-01-29 20:04

Platform

win7-20231215-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe"

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe

"C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-29 20:01

Reported

2024-01-29 20:04

Platform

win10v2004-20231215-en

Max time kernel

151s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe"

Signatures

Detect XtremeRAT payload

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

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3YFNV53O-OWO5-8K78-85A6-080RIK7S28P5}\StubPath = "C:\\Windows\\system32\\Windows\\taskhost.exe restart" C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{3YFNV53O-OWO5-8K78-85A6-080RIK7S28P5} C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE N/A

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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\windows = "C:\\Windows\\system32\\Windows\\taskhost.exe" C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\original = "C:\\Windows\\system32\\Windows\\taskhost.exe" C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Windows\taskhost.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE N/A
File created C:\Windows\SysWOW64\Windows\taskhost.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE N/A
File opened for modification C:\Windows\SysWOW64\Windows\ C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4884 set thread context of 556 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4884 wrote to memory of 556 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE
PID 4884 wrote to memory of 556 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE
PID 4884 wrote to memory of 556 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE
PID 4884 wrote to memory of 556 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE
PID 4884 wrote to memory of 556 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE
PID 4884 wrote to memory of 556 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE
PID 4884 wrote to memory of 556 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE
PID 4884 wrote to memory of 556 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE
PID 556 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE C:\Windows\SysWOW64\svchost.exe
PID 556 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE C:\Windows\SysWOW64\svchost.exe
PID 556 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE C:\Windows\SysWOW64\svchost.exe
PID 556 wrote to memory of 3924 N/A C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe

"C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.exe"

C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE

"C:\Users\Admin\AppData\Local\Temp\80bcb5330f6c171e3fbf0fe974b2b74d.EXE"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3924 -ip 3924

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3924 -ip 3924

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3924 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 xtremeratbilubilu.ddns.net udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 16.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 208.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/556-2-0x0000000010000000-0x000000001015D000-memory.dmp

memory/556-4-0x0000000010000000-0x000000001015D000-memory.dmp

memory/556-5-0x0000000010000000-0x000000001015D000-memory.dmp

memory/556-6-0x0000000010000000-0x000000001015D000-memory.dmp

memory/3924-7-0x0000000010000000-0x000000001015D000-memory.dmp

memory/556-10-0x0000000010000000-0x000000001015D000-memory.dmp

memory/556-11-0x0000000010000000-0x000000001015D000-memory.dmp

memory/556-12-0x0000000010000000-0x000000001015D000-memory.dmp

memory/3924-13-0x0000000010000000-0x000000001015D000-memory.dmp

memory/556-14-0x0000000010000000-0x000000001015D000-memory.dmp