Malware Analysis Report

2025-01-02 02:25

Sample ID 240718-vz15hsyemq
Target 585e2bd7813b953c56515e404d8282c8_JaffaCakes118
SHA256 a872b928e824a4c6ca1f3fadbc01c2645e31e4d0774401fa8e4a8e7da6d3d366
Tags
xtremerat bootkit 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

a872b928e824a4c6ca1f3fadbc01c2645e31e4d0774401fa8e4a8e7da6d3d366

Threat Level: Known bad

The file 585e2bd7813b953c56515e404d8282c8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat bootkit persistence rat spyware upx

XtremeRAT

Detect XtremeRAT payload

UPX packed file

Writes to the Master Boot Record (MBR)

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Unsigned PE

Modifies registry class

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-18 17:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-18 17:26

Reported

2024-07-18 17:28

Platform

win7-20240708-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_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

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_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\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2116 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 2116 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 2116 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 2116 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 2116 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 2116 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 2116 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 2116 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 2116 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 2392 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

N/A

Files

memory/2116-1-0x00000000002F0000-0x0000000000325000-memory.dmp

memory/2116-0-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2116-2-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2116-7-0x00000000004F0000-0x00000000004F1000-memory.dmp

memory/2116-6-0x00000000004F0000-0x00000000004F1000-memory.dmp

memory/2116-5-0x00000000004F0000-0x00000000004F1000-memory.dmp

memory/2116-8-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2116-4-0x00000000004F0000-0x00000000004F1000-memory.dmp

memory/2116-18-0x00000000004D0000-0x00000000004D1000-memory.dmp

memory/2116-17-0x00000000002C0000-0x00000000002C1000-memory.dmp

memory/2116-16-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2116-15-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2116-14-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2116-13-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2116-12-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2116-11-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2116-10-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2116-9-0x00000000004E0000-0x00000000004E1000-memory.dmp

memory/2116-3-0x00000000004F0000-0x00000000004F1000-memory.dmp

memory/2116-21-0x0000000000401000-0x0000000000475000-memory.dmp

memory/2392-22-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/2392-25-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/2116-28-0x00000000002F0000-0x0000000000325000-memory.dmp

memory/2116-27-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2392-24-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/2392-29-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/2692-32-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/2692-34-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/2692-35-0x0000000000C80000-0x0000000000C95000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-18 17:26

Reported

2024-07-18 17:28

Platform

win10v2004-20240709-en

Max time kernel

144s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_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

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3296 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 3296 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 3296 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 3296 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 3296 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 3296 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 3296 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 3296 wrote to memory of 4964 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe
PID 4964 wrote to memory of 1432 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4964 wrote to memory of 1432 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4964 wrote to memory of 1432 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4964 wrote to memory of 1432 N/A C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\585e2bd7813b953c56515e404d8282c8_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 456

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1432 -ip 1432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 452

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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

Files

memory/3296-0-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3296-1-0x0000000002240000-0x0000000002275000-memory.dmp

memory/3296-11-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-2-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-10-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-9-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-8-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-7-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-6-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-5-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-4-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-3-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-12-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3296-42-0x0000000002430000-0x0000000002431000-memory.dmp

memory/3296-41-0x0000000002220000-0x0000000002221000-memory.dmp

memory/3296-40-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-39-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-17-0x0000000002450000-0x0000000002451000-memory.dmp

memory/3296-38-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-37-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-36-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-35-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-34-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-33-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-45-0x0000000000401000-0x0000000000475000-memory.dmp

memory/3296-32-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-31-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-30-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-29-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-28-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-27-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-26-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-25-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-24-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-23-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-22-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-21-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-20-0x0000000002440000-0x0000000002441000-memory.dmp

memory/3296-19-0x0000000002450000-0x0000000002451000-memory.dmp

memory/3296-16-0x0000000002450000-0x0000000002451000-memory.dmp

memory/3296-15-0x0000000002450000-0x0000000002451000-memory.dmp

memory/3296-13-0x0000000002450000-0x0000000002451000-memory.dmp

memory/3296-18-0x0000000002450000-0x0000000002451000-memory.dmp

memory/3296-14-0x0000000002450000-0x0000000002451000-memory.dmp

memory/4964-46-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/3296-50-0x0000000002240000-0x0000000002275000-memory.dmp

memory/3296-49-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/4964-51-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/4964-52-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/1432-55-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/1432-56-0x0000000000C80000-0x0000000000C95000-memory.dmp