Malware Analysis Report

2024-11-13 18:37

Sample ID 240227-z4rh4abh4t
Target aa2cb15a973424af10b43d595fc3784a
SHA256 fdab584b663b098e50b365092b53ad81d8503340c42346cdf2b5b35203001e48
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

fdab584b663b098e50b365092b53ad81d8503340c42346cdf2b5b35203001e48

Threat Level: Known bad

The file aa2cb15a973424af10b43d595fc3784a was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

UPX packed file

Drops file in System32 directory

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-27 21:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-27 21:16

Reported

2024-02-27 21:19

Platform

win7-20240221-en

Max time kernel

150s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\CFGMGR32.DLL C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1248 set thread context of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1248 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 1248 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 1248 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 1248 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 1248 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 1248 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 1248 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 1248 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 1248 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 2752 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Windows\SysWOW64\svchost.exe
PID 2752 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Windows\SysWOW64\svchost.exe
PID 2752 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Windows\SysWOW64\svchost.exe
PID 2752 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Windows\SysWOW64\svchost.exe
PID 2752 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Windows\SysWOW64\svchost.exe
PID 2752 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2752 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2752 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2752 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2752 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe

"C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe"

C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe

C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.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/1248-0-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1248-4-0x00000000002E0000-0x0000000000305000-memory.dmp

memory/2752-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1248-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2752-3-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2752-8-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2752-9-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2752-10-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2556-11-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2556-13-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2752-14-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2556-15-0x0000000010000000-0x000000001004B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-27 21:16

Reported

2024-02-27 21:19

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.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 4540 set thread context of 3476 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4540 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 4540 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 4540 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 4540 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 4540 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 4540 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 4540 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 4540 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe
PID 3476 wrote to memory of 4460 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Windows\SysWOW64\svchost.exe
PID 3476 wrote to memory of 4460 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Windows\SysWOW64\svchost.exe
PID 3476 wrote to memory of 4460 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Windows\SysWOW64\svchost.exe
PID 3476 wrote to memory of 4460 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Windows\SysWOW64\svchost.exe
PID 3476 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3476 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 3476 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe

"C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe"

C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.exe

C:\Users\Admin\AppData\Local\Temp\aa2cb15a973424af10b43d595fc3784a.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 4460 -ip 4460

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4460 -ip 4460

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 492

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp

Files

memory/4540-0-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3476-3-0x0000000010000000-0x000000001004B000-memory.dmp

memory/4540-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3476-6-0x0000000010000000-0x000000001004B000-memory.dmp

memory/3476-7-0x0000000010000000-0x000000001004B000-memory.dmp

memory/3476-8-0x0000000010000000-0x000000001004B000-memory.dmp

memory/4460-9-0x0000000010000000-0x000000001004B000-memory.dmp

memory/3476-10-0x0000000010000000-0x000000001004B000-memory.dmp

memory/4460-11-0x0000000010000000-0x000000001004B000-memory.dmp