Malware Analysis Report

2024-11-13 18:37

Sample ID 240227-aw35gscb27
Target a7c3493de6970cd2c7f3fa099893459e
SHA256 63bf4e48621084d50df9174f5c548168ebb3c26d91299d9e129c30b37b6a33b7
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

63bf4e48621084d50df9174f5c548168ebb3c26d91299d9e129c30b37b6a33b7

Threat Level: Known bad

The file a7c3493de6970cd2c7f3fa099893459e 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

Program crash

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-27 00:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-27 00:34

Reported

2024-02-27 00:37

Platform

win7-20240221-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.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

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
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 1504 set thread context of 2748 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1504 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 1504 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 1504 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 1504 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 1504 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 1504 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 1504 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 1504 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 2748 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2492 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2748 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2748 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2748 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2748 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe

"C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe"

C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe

C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.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/2748-2-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2748-3-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2748-4-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2748-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2748-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2748-10-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2748-9-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2492-13-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2748-14-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2492-15-0x0000000010000000-0x000000001004D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-27 00:34

Reported

2024-02-27 00:37

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.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

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
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 3416 set thread context of 2944 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3416 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 3416 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 3416 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 3416 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 3416 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 3416 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 3416 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 3416 wrote to memory of 2944 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe
PID 2944 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Windows\SysWOW64\svchost.exe
PID 2944 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Windows\SysWOW64\svchost.exe
PID 2944 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Windows\SysWOW64\svchost.exe
PID 2944 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Windows\SysWOW64\svchost.exe
PID 2944 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 2944 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 2944 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe

"C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe"

C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.exe

C:\Users\Admin\AppData\Local\Temp\a7c3493de6970cd2c7f3fa099893459e.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 408 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 492

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3540 -ip 3540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 500

Network

Country Destination Domain Proto
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/2944-2-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2944-4-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2944-5-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2944-6-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3540-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2944-8-0x0000000010000000-0x000000001004D000-memory.dmp

memory/3540-9-0x0000000010000000-0x000000001004D000-memory.dmp