Malware Analysis Report

2024-12-07 21:20

Sample ID 240206-dr6xcsgabn
Target 93aebf8e0711a6df3899fba3d544a96a
SHA256 cc1244c29b04f6adc8a9ef998b857d3d3cba072bed511df163c53913af7f4c55
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

cc1244c29b04f6adc8a9ef998b857d3d3cba072bed511df163c53913af7f4c55

Threat Level: Known bad

The file 93aebf8e0711a6df3899fba3d544a96a was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

XtremeRAT

Detect XtremeRAT payload

Modifies Installed Components in the registry

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-06 03:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-06 03:15

Reported

2024-02-06 03:18

Platform

win7-20231215-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.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
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

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5BQ1W123-A0QR-2U0M-T3K7-D57PC4MK7WR0} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5BQ1W123-A0QR-2U0M-T3K7-D57PC4MK7WR0}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5BQ1W123-A0QR-2U0M-T3K7-D57PC4MK7WR0} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5BQ1W123-A0QR-2U0M-T3K7-D57PC4MK7WR0}\StubPath = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "㩃坜湩潤獷卜獹佗㙗尴癳档獯\u2e74硥e엸က엸က㽜" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2208 set thread context of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\InstallDir\Server.exe C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\InstallDir\Server.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\InstallDir\ C:\Windows\SysWOW64\svchost.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2208 wrote to memory of 2408 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 2408 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 2408 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 2408 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 2408 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 2408 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 2408 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 2408 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 2408 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 2408 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 2408 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe

"C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe"

C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe

C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 kokostar.sytes.net udp

Files

memory/2208-1-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2208-0-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2208-2-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2408-5-0x0000000010000000-0x0000000010045000-memory.dmp

memory/2408-6-0x0000000010000000-0x0000000010045000-memory.dmp

memory/2408-8-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2408-7-0x0000000010000000-0x0000000010045000-memory.dmp

memory/2208-9-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2408-10-0x0000000010000000-0x0000000010045000-memory.dmp

memory/2712-11-0x0000000010000000-0x0000000010045000-memory.dmp

memory/2712-13-0x0000000010000000-0x0000000010045000-memory.dmp

memory/2408-17-0x0000000010000000-0x0000000010045000-memory.dmp

memory/2788-16-0x0000000010000000-0x0000000010045000-memory.dmp

memory/2788-20-0x0000000010000000-0x0000000010045000-memory.dmp

C:\Windows\InstallDir\Server.exe

MD5 93aebf8e0711a6df3899fba3d544a96a
SHA1 b3864673ef6c6902b490e84ea3018db46d32479c
SHA256 cc1244c29b04f6adc8a9ef998b857d3d3cba072bed511df163c53913af7f4c55
SHA512 37ab852a6a513db19445e301d3f82b0831cf54af762d03f0125d99f4db9ccac4d56428f4e83c430ddca5c821dadeb8d2f1c40759d8e5fcdc1c16d6ce66cf7eca

memory/2712-22-0x0000000010000000-0x0000000010045000-memory.dmp

memory/2788-23-0x0000000010000000-0x0000000010045000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-06 03:15

Reported

2024-02-06 03:18

Platform

win10v2004-20231215-en

Max time kernel

93s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.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
N/A N/A N/A N/A

XtremeRAT

persistence spyware rat xtremerat

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1200 set thread context of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 1200 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe
PID 3288 wrote to memory of 228 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 3288 wrote to memory of 228 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 3288 wrote to memory of 228 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 3288 wrote to memory of 228 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 3288 wrote to memory of 4724 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 3288 wrote to memory of 4724 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 3288 wrote to memory of 4724 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe
PID 3288 wrote to memory of 4724 N/A C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe

"C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe"

C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe

C:\Users\Admin\AppData\Local\Temp\93aebf8e0711a6df3899fba3d544a96a.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 228 -ip 228

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4724 -ip 4724

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 492

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4724 -ip 4724

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 228 -ip 228

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 228 -s 488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 500

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp

Files

memory/1200-0-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1200-1-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1200-2-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1200-3-0x0000000000400000-0x0000000000420000-memory.dmp

memory/3288-6-0x0000000010000000-0x0000000010045000-memory.dmp

memory/3288-7-0x0000000010000000-0x0000000010045000-memory.dmp

memory/1200-8-0x0000000000400000-0x0000000000420000-memory.dmp

memory/3288-9-0x0000000010000000-0x0000000010045000-memory.dmp

memory/3288-10-0x0000000010000000-0x0000000010045000-memory.dmp

memory/228-11-0x0000000010000000-0x0000000010045000-memory.dmp

memory/4724-12-0x0000000010000000-0x0000000010045000-memory.dmp

memory/3288-13-0x0000000010000000-0x0000000010045000-memory.dmp

memory/228-14-0x0000000010000000-0x0000000010045000-memory.dmp