Malware Analysis Report

2024-12-07 21:08

Sample ID 240204-khsfyadea3
Target 8eb357b2027d8f8562c432411967d1f0
SHA256 dae55d1a80a83d50d4f9c03d2eb4e610ead081924baec736cef4d894bb7eaec9
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

dae55d1a80a83d50d4f9c03d2eb4e610ead081924baec736cef4d894bb7eaec9

Threat Level: Known bad

The file 8eb357b2027d8f8562c432411967d1f0 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-04 08:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-04 08:36

Reported

2024-02-04 08:39

Platform

win7-20231215-en

Max time kernel

162s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.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

XtremeRAT

persistence spyware rat xtremerat

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2984 set thread context of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 2984 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 1304 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Windows\SysWOW64\svchost.exe
PID 1304 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Windows\SysWOW64\svchost.exe
PID 1304 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Windows\SysWOW64\svchost.exe
PID 1304 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Windows\SysWOW64\svchost.exe
PID 1304 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Windows\SysWOW64\svchost.exe
PID 1304 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Program Files\Internet Explorer\iexplore.exe
PID 1304 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Program Files\Internet Explorer\iexplore.exe
PID 1304 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Program Files\Internet Explorer\iexplore.exe
PID 1304 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Program Files\Internet Explorer\iexplore.exe
PID 1304 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe

"C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe"

C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE

"C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.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/1304-2-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1304-3-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1304-4-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1304-5-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2996-8-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2996-6-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1304-9-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2996-10-0x0000000010000000-0x000000001004A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-04 08:36

Reported

2024-02-04 08:39

Platform

win10v2004-20231215-en

Max time kernel

93s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.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

XtremeRAT

persistence spyware rat xtremerat

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5196 set thread context of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 5196 wrote to memory of 984 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE
PID 984 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Windows\SysWOW64\svchost.exe
PID 984 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Windows\SysWOW64\svchost.exe
PID 984 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Windows\SysWOW64\svchost.exe
PID 984 wrote to memory of 4412 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Windows\SysWOW64\svchost.exe
PID 984 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 984 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 984 wrote to memory of 3416 N/A C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe

"C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.exe"

C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.EXE

"C:\Users\Admin\AppData\Local\Temp\8eb357b2027d8f8562c432411967d1f0.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 376 -p 4412 -ip 4412

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4412 -ip 4412

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 344

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 492

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/984-2-0x0000000010000000-0x000000001004A000-memory.dmp

memory/984-3-0x0000000010000000-0x000000001004A000-memory.dmp

memory/984-4-0x0000000010000000-0x000000001004A000-memory.dmp

memory/984-5-0x0000000010000000-0x000000001004A000-memory.dmp

memory/4412-6-0x0000000010000000-0x000000001004A000-memory.dmp

memory/984-7-0x0000000010000000-0x000000001004A000-memory.dmp

memory/4412-8-0x0000000010000000-0x000000001004A000-memory.dmp