Malware Analysis Report

2025-01-02 02:11

Sample ID 240131-dws63aaff6
Target 834f7ce0d80f71d0fcfbe09862151b23
SHA256 7f55d17b76f302e07edbc21096fcf218713b9ad06be597862a17a79ab288b583
Tags
evasion trojan 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

7f55d17b76f302e07edbc21096fcf218713b9ad06be597862a17a79ab288b583

Threat Level: Known bad

The file 834f7ce0d80f71d0fcfbe09862151b23 was found to be: Known bad.

Malicious Activity Summary

evasion trojan xtremerat persistence rat spyware upx

UAC bypass

XtremeRAT

Windows security bypass

Detect XtremeRAT payload

Windows security modification

UPX packed file

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-31 03:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-31 03:21

Reported

2024-01-31 03:24

Platform

win7-20231215-en

Max time kernel

141s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe"

Signatures

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2720 set thread context of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2720 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 2720 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 2720 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 2720 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 2720 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 2720 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 2720 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 2720 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 2720 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe

"C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe"

C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe

C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe

Network

N/A

Files

memory/2628-2-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2628-4-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2628-7-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-31 03:21

Reported

2024-01-31 03:24

Platform

win10v2004-20231215-en

Max time kernel

91s

Max time network

92s

Command Line

"C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.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

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe 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

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3272 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 3272 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 3272 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 3272 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 3272 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 3272 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 3272 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 3272 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 4816 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 4816 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 4816 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 4816 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 4816 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 4816 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 4816 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 4816 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 4816 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe
PID 3716 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Windows\SysWOW64\svchost.exe
PID 3716 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Windows\SysWOW64\svchost.exe
PID 3716 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Windows\SysWOW64\svchost.exe
PID 3716 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Windows\SysWOW64\svchost.exe
PID 3716 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3716 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3716 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe

"C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe"

C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe

C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe

C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.exe

C:\Users\Admin\AppData\Local\Temp\834f7ce0d80f71d0fcfbe09862151b23.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 2488 -ip 2488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2488 -ip 2488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2488 -s 508

Network

Country Destination Domain Proto
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4816-4-0x0000000000400000-0x000000000042D000-memory.dmp

memory/4816-2-0x0000000000400000-0x000000000042D000-memory.dmp

memory/4816-7-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3716-8-0x0000000010000000-0x0000000010054000-memory.dmp

memory/3716-12-0x0000000010000000-0x0000000010054000-memory.dmp

memory/4816-10-0x0000000000400000-0x000000000042D000-memory.dmp

memory/3716-14-0x0000000010000000-0x0000000010054000-memory.dmp

memory/3716-13-0x0000000010000000-0x0000000010054000-memory.dmp

memory/2488-15-0x0000000010000000-0x0000000010054000-memory.dmp

memory/3716-16-0x0000000010000000-0x0000000010054000-memory.dmp

memory/2488-17-0x0000000010000000-0x0000000010054000-memory.dmp