Malware Analysis Report

2024-12-07 21:20

Sample ID 240205-mqfs8adgc3
Target 91c725950c5b75fadb920420b570c0ad
SHA256 e7dcf867fd6fdd0169ddd1e398e9646325efa4a02be33c3b6ac5f376b1f58a2a
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

e7dcf867fd6fdd0169ddd1e398e9646325efa4a02be33c3b6ac5f376b1f58a2a

Threat Level: Known bad

The file 91c725950c5b75fadb920420b570c0ad was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

XtremeRAT

Detect XtremeRAT payload

Checks computer location settings

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-05 10:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-05 10:39

Reported

2024-02-05 10:42

Platform

win7-20231129-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.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

XtremeRAT

persistence spyware rat xtremerat

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2420 set thread context of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2420 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\SysWOW64\WScript.exe
PID 2420 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\SysWOW64\WScript.exe
PID 2420 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\SysWOW64\WScript.exe
PID 2420 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\SysWOW64\WScript.exe

Processes

C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe

"C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\s4c.vbs"

Network

N/A

Files

memory/2420-0-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-9-0x0000000077430000-0x0000000077540000-memory.dmp

memory/2420-12-0x0000000000340000-0x0000000000350000-memory.dmp

memory/2420-11-0x0000000000340000-0x0000000000350000-memory.dmp

memory/2420-10-0x0000000000340000-0x0000000000350000-memory.dmp

memory/2420-13-0x0000000074F40000-0x00000000754EB000-memory.dmp

memory/2420-14-0x0000000074F40000-0x00000000754EB000-memory.dmp

memory/2420-15-0x00000000020A0000-0x00000000020E0000-memory.dmp

memory/2420-18-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-25-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-28-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-35-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-36-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-34-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-47-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-51-0x00000000004E0000-0x00000000005E0000-memory.dmp

memory/2872-66-0x0000000000400000-0x0000000000400000-memory.dmp

memory/2872-65-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2872-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2872-62-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2872-61-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2872-60-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2872-59-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2872-58-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2872-57-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2872-56-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2420-55-0x00000000004E0000-0x00000000005E0000-memory.dmp

memory/2420-54-0x00000000004E0000-0x00000000005E0000-memory.dmp

memory/2420-72-0x0000000077430000-0x0000000077540000-memory.dmp

memory/2420-73-0x0000000074F40000-0x00000000754EB000-memory.dmp

memory/2420-74-0x00000000004E0000-0x00000000005E0000-memory.dmp

memory/2420-50-0x00000000004E0000-0x00000000005E0000-memory.dmp

memory/2420-46-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-45-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-44-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-42-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-43-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-41-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-40-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-39-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-38-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-37-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-33-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-32-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-31-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-30-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-29-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-27-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-26-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-24-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-23-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-22-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-21-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-20-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-19-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-17-0x00000000002C0000-0x00000000002F4000-memory.dmp

memory/2420-16-0x00000000002C0000-0x00000000002F4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-05 10:39

Reported

2024-02-05 10:42

Platform

win10v2004-20231215-en

Max time kernel

90s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe N/A

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2136 set thread context of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 1344 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2136 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\SysWOW64\WScript.exe
PID 2136 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\SysWOW64\WScript.exe
PID 2136 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe C:\Windows\SysWOW64\WScript.exe

Processes

C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe

"C:\Users\Admin\AppData\Local\Temp\91c725950c5b75fadb920420b570c0ad.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1344 -ip 1344

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 12

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\s4c.vbs"

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
NL 52.142.223.178:80 tcp
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 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/2136-0-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-15-0x0000000000740000-0x0000000000750000-memory.dmp

memory/2136-14-0x0000000000740000-0x0000000000750000-memory.dmp

memory/2136-16-0x00000000747E0000-0x0000000074D91000-memory.dmp

memory/2136-17-0x00000000747E0000-0x0000000074D91000-memory.dmp

memory/2136-13-0x0000000000740000-0x0000000000750000-memory.dmp

memory/2136-12-0x0000000075380000-0x0000000075470000-memory.dmp

memory/2136-18-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-22-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-33-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-34-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-32-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-31-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-43-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-49-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-48-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-47-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-56-0x0000000000580000-0x0000000000680000-memory.dmp

memory/1344-58-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2136-57-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2136-53-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2136-52-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2136-46-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-45-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-44-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-42-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-40-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-41-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-39-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-38-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-37-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-35-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-36-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-30-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-29-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-28-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-27-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-26-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-25-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-24-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-23-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-21-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-19-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-20-0x00000000001C0000-0x00000000001F4000-memory.dmp

memory/2136-11-0x0000000075380000-0x0000000075470000-memory.dmp

memory/2136-10-0x0000000075380000-0x0000000075470000-memory.dmp

memory/2136-9-0x0000000075380000-0x0000000075470000-memory.dmp

memory/2136-65-0x0000000075380000-0x0000000075470000-memory.dmp

memory/2136-66-0x00000000747E0000-0x0000000074D91000-memory.dmp

memory/1344-67-0x0000000000400000-0x0000000000400000-memory.dmp