Malware Analysis Report

2025-01-02 02:32

Sample ID 240718-3czbeavcpa
Target 5982b55d30166329d2d4105b49d658e0_JaffaCakes118
SHA256 556acd1eb7c7b2d088753fd493567070fefa5fb82873a94a872c16bd4ff06bac
Tags
xtremerat bootkit 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

556acd1eb7c7b2d088753fd493567070fefa5fb82873a94a872c16bd4ff06bac

Threat Level: Known bad

The file 5982b55d30166329d2d4105b49d658e0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat bootkit persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Writes to the Master Boot Record (MBR)

Program crash

Unsigned PE

Enumerates physical storage devices

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-18 23:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-18 23:22

Reported

2024-07-18 23:25

Platform

win7-20240708-en

Max time kernel

149s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_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

XtremeRAT

persistence spyware rat xtremerat

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2120 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2120 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2120 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2120 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2120 wrote to memory of 2340 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2120 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2120 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2120 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2120 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2120 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.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/2120-0-0x0000000010000000-0x00000000100A7000-memory.dmp

memory/2120-1-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-2-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-5-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-8-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-12-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-13-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-20-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-25-0x00000000004E0000-0x00000000004E2000-memory.dmp

memory/2120-24-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-23-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-22-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-21-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-19-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-18-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-17-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-16-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-15-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-14-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-11-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-10-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-9-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-7-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-6-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-4-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-3-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2120-29-0x0000000002200000-0x0000000002201000-memory.dmp

memory/2120-28-0x00000000021E0000-0x00000000021E1000-memory.dmp

memory/2120-27-0x00000000021F0000-0x00000000021F1000-memory.dmp

memory/2120-26-0x00000000004D0000-0x00000000004D1000-memory.dmp

memory/2340-30-0x0000000010000000-0x00000000100A7000-memory.dmp

memory/2340-32-0x0000000010000000-0x00000000100A7000-memory.dmp

memory/2120-33-0x0000000010000000-0x00000000100A7000-memory.dmp

memory/2340-34-0x0000000010000000-0x00000000100A7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-18 23:22

Reported

2024-07-18 23:25

Platform

win10v2004-20240709-en

Max time kernel

139s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_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

XtremeRAT

persistence spyware rat xtremerat

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5982b55d30166329d2d4105b49d658e0_JaffaCakes118.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 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 716 -ip 716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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/1596-0-0x0000000010000000-0x00000000100A7000-memory.dmp

memory/1596-1-0x0000000002350000-0x0000000002352000-memory.dmp

memory/1596-4-0x0000000002440000-0x0000000002441000-memory.dmp

memory/1596-3-0x0000000002450000-0x0000000002451000-memory.dmp

memory/1596-2-0x0000000002340000-0x0000000002341000-memory.dmp

memory/716-5-0x0000000010000000-0x00000000100A7000-memory.dmp

memory/1596-7-0x0000000010000000-0x00000000100A7000-memory.dmp

memory/716-8-0x0000000010000000-0x00000000100A7000-memory.dmp