Malware Analysis Report

2025-01-02 02:46

Sample ID 240719-xbsvcavaql
Target 5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118
SHA256 dc67eef2da5bb719fa5c9f8de8e37fe3c4353e9e358e0840212af0b33508bd83
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

dc67eef2da5bb719fa5c9f8de8e37fe3c4353e9e358e0840212af0b33508bd83

Threat Level: Known bad

The file 5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Uses the VBS compiler for execution

Adds Run key to start application

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-19 18:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 18:41

Reported

2024-07-19 18:43

Platform

win7-20240704-en

Max time kernel

122s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup Key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\name.exe" C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2732 set thread context of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2732 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe"

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

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

Network

N/A

Files

memory/2732-0-0x0000000073CCE000-0x0000000073CCF000-memory.dmp

memory/2732-1-0x00000000000B0000-0x00000000000D6000-memory.dmp

memory/2732-2-0x00000000001D0000-0x00000000001DA000-memory.dmp

memory/2796-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2796-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2796-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2796-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2796-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2796-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2796-5-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2796-4-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2796-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 18:41

Reported

2024-07-19 18:43

Platform

win10v2004-20240709-en

Max time kernel

139s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Uses the VBS compiler for execution

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Startup Key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\name.exe" C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5116 set thread context of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 5116 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5d2f51d7a619a26c865981aa1fe86f1e_JaffaCakes118.exe"

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 -pss -s 408 -p 1072 -ip 1072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 12

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/5116-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

memory/5116-1-0x0000000000890000-0x00000000008B6000-memory.dmp

memory/5116-2-0x0000000005280000-0x000000000531C000-memory.dmp

memory/5116-3-0x0000000002B30000-0x0000000002B3A000-memory.dmp

memory/1072-4-0x0000000000C80000-0x0000000000C93000-memory.dmp