Malware Analysis Report

2025-01-02 02:14

Sample ID 240131-tz6vbsgeg6
Target 84e5cf1efe8fe07b8f5e19219dc0484f
SHA256 f2171eb813e4df5d0b69787db7522b419210156f79ab844593c23db9e0e26569
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

f2171eb813e4df5d0b69787db7522b419210156f79ab844593c23db9e0e26569

Threat Level: Known bad

The file 84e5cf1efe8fe07b8f5e19219dc0484f was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

XtremeRAT

Detect XtremeRAT payload

Maps connected drives based on registry

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-31 16:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-31 16:30

Reported

2024-01-31 16:33

Platform

win7-20231215-en

Max time kernel

150s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.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

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2508 set thread context of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2508 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 2796 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Windows\SysWOW64\svchost.exe
PID 2796 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Windows\SysWOW64\svchost.exe
PID 2796 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Windows\SysWOW64\svchost.exe
PID 2796 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Windows\SysWOW64\svchost.exe
PID 2796 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Windows\SysWOW64\svchost.exe
PID 2796 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2796 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2796 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2796 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2796 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe

"C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe"

C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe

"C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.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/2508-0-0x0000000000400000-0x00000000004AD000-memory.dmp

memory/2508-3-0x0000000002AA0000-0x0000000002B4D000-memory.dmp

memory/2796-4-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2796-6-0x0000000000400000-0x00000000004AD000-memory.dmp

memory/2796-7-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2796-5-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2796-8-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2696-9-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2696-11-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2796-12-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2508-13-0x0000000000400000-0x00000000004AD000-memory.dmp

memory/2508-14-0x0000000002AA0000-0x0000000002B4D000-memory.dmp

memory/2696-16-0x0000000010000000-0x0000000010048000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-31 16:30

Reported

2024-01-31 16:33

Platform

win10v2004-20231215-en

Max time kernel

143s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.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

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 224 set thread context of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 224 wrote to memory of 1328 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe
PID 1328 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Windows\SysWOW64\svchost.exe
PID 1328 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Windows\SysWOW64\svchost.exe
PID 1328 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Windows\SysWOW64\svchost.exe
PID 1328 wrote to memory of 2436 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Windows\SysWOW64\svchost.exe
PID 1328 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1328 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1328 wrote to memory of 4092 N/A C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe

"C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe"

C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.exe

"C:\Users\Admin\AppData\Local\Temp\84e5cf1efe8fe07b8f5e19219dc0484f.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 412 -p 2436 -ip 2436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2436 -ip 2436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 488

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/224-0-0x0000000000400000-0x00000000004AD000-memory.dmp

memory/1328-3-0x0000000010000000-0x0000000010048000-memory.dmp

memory/224-4-0x0000000000400000-0x00000000004AD000-memory.dmp

memory/1328-5-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1328-6-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1328-7-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2436-8-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1328-9-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2436-11-0x0000000010000000-0x0000000010048000-memory.dmp