Malware Analysis Report

2024-12-07 21:06

Sample ID 240202-tkj21sccej
Target 89f2e626923b9fca12e544d8d955b617
SHA256 5cb0ceae6defeec61d21753f19b534173952b0e2fd39c28f4fda86d5a782a71b
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

5cb0ceae6defeec61d21753f19b534173952b0e2fd39c28f4fda86d5a782a71b

Threat Level: Known bad

The file 89f2e626923b9fca12e544d8d955b617 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

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-02 16:06

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-02 16:06

Reported

2024-02-02 16:09

Platform

win7-20231215-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.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

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1984 set thread context of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1984 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 2144 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Windows\SysWOW64\svchost.exe
PID 2144 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Windows\SysWOW64\svchost.exe
PID 2144 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Windows\SysWOW64\svchost.exe
PID 2144 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Windows\SysWOW64\svchost.exe
PID 2144 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Windows\SysWOW64\svchost.exe
PID 2144 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2144 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2144 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2144 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2144 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe

"C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe"

C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.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/1984-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2144-3-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1984-4-0x00000000002B0000-0x00000000002FF000-memory.dmp

memory/2144-5-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2144-7-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1984-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2144-8-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2312-9-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2312-11-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2144-12-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2312-13-0x0000000010000000-0x000000001004A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-02 16:06

Reported

2024-02-02 16:09

Platform

win10v2004-20231222-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.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

UPX packed file

upx
Description Indicator Process Target
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 1096 set thread context of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1096 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe
PID 1160 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Windows\SysWOW64\svchost.exe
PID 1160 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Windows\SysWOW64\svchost.exe
PID 1160 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Windows\SysWOW64\svchost.exe
PID 1160 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Windows\SysWOW64\svchost.exe
PID 1160 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1160 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1160 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe

"C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.exe"

C:\Users\Admin\AppData\Local\Temp\89f2e626923b9fca12e544d8d955b617.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 184 -p 1636 -ip 1636

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1636 -ip 1636

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 504

Network

Country Destination Domain Proto
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.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 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 209.78.101.95.in-addr.arpa udp
US 8.8.8.8:53 171.117.168.52.in-addr.arpa udp

Files

memory/1096-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1160-3-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1160-4-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1096-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1160-6-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1160-7-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1636-8-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1160-9-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1636-10-0x0000000010000000-0x000000001004A000-memory.dmp