Malware Analysis Report

2025-08-06 01:47

Sample ID 241031-d3pgfsyfka
Target 8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118
SHA256 7de3054bae0aa73e5ceebca435aea90f62b6a3401b989bb5118bbaf89fb33def
Tags
xtremerat discovery 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

7de3054bae0aa73e5ceebca435aea90f62b6a3401b989bb5118bbaf89fb33def

Threat Level: Known bad

The file 8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat discovery persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

Xtremerat family

Suspicious use of SetThreadContext

UPX packed file

Program crash

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 03:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-31 03:32

Reported

2024-10-31 03:34

Platform

win7-20240903-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_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

XtremeRAT

persistence spyware rat xtremerat

Xtremerat family

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
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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2096 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2096 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2096 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2096 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2096 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2096 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2096 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2096 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2368 wrote to memory of 280 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2368 wrote to memory of 280 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2368 wrote to memory of 280 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2368 wrote to memory of 280 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2368 wrote to memory of 280 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2368 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2368 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2368 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2368 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2368 wrote to memory of 2116 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_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/2096-1-0x0000000000020000-0x0000000000022000-memory.dmp

memory/2096-0-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2368-6-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2368-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2368-16-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2368-18-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2368-17-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2368-15-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2096-14-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2368-10-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2096-11-0x0000000000230000-0x000000000023E000-memory.dmp

memory/2368-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2368-5-0x0000000010000000-0x000000001004D000-memory.dmp

memory/280-21-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2368-22-0x0000000010000000-0x000000001004D000-memory.dmp

memory/280-23-0x0000000010000000-0x000000001004D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-31 03:32

Reported

2024-10-31 03:35

Platform

win10v2004-20241007-en

Max time kernel

134s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_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

XtremeRAT

persistence spyware rat xtremerat

Xtremerat family

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2644 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2644 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2644 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2644 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2644 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2644 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2644 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 2644 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe
PID 4708 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4708 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4708 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4708 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4708 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4708 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4708 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8174a96006f2acd6ae72b8e8b1657690_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 432 -p 2136 -ip 2136

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2136 -ip 2136

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 492

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2644-0-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2644-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

memory/4708-5-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2644-8-0x0000000000400000-0x000000000040E000-memory.dmp

memory/4708-9-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4708-11-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4708-10-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2136-12-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4708-13-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2136-14-0x0000000010000000-0x000000001004D000-memory.dmp