Malware Analysis Report

2025-01-02 02:18

Sample ID 240718-vef9lsxfqk
Target 5843a5a9972869ae244e0f94624842c1_JaffaCakes118
SHA256 4fabbcaf141afb09f68b991f54e215ec35b1a4116444d066ec22c436bfb9d8cf
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4fabbcaf141afb09f68b991f54e215ec35b1a4116444d066ec22c436bfb9d8cf

Threat Level: Known bad

The file 5843a5a9972869ae244e0f94624842c1_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Boot or Logon Autostart Execution: Active Setup

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in Program Files directory

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-18 16:53

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-18 16:53

Reported

2024-07-18 16:56

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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XtremeRAT

persistence spyware rat xtremerat

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{KP21UAYC-3EBG-0466-H0WL-30K1EUD77D6B} C:\Windows\SysWOW64\calc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{KP21UAYC-3EBG-0466-H0WL-30K1EUD77D6B}\StubPath = "C:\\Program Files (x86)\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\calc.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Program Files (x86)\\InstallDir\\Server.exe" C:\Windows\SysWOW64\calc.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Program Files (x86)\\InstallDir\\Server.exe" C:\Windows\SysWOW64\calc.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\InstallDir\Server.exe C:\Windows\SysWOW64\calc.exe N/A
File created C:\Program Files (x86)\InstallDir\Server.exe C:\Windows\SysWOW64\calc.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\calc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3452 wrote to memory of 3204 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe
PID 3204 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 3204 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 3204 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 3204 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 3204 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 3204 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 3204 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 3204 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\calc.exe

calc.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2216 -ip 2216

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2216 -ip 2216

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 984

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1516 -ip 1516

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 992

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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 43.58.199.20.in-addr.arpa udp

Files

memory/3204-2-0x0000000010000000-0x000000001004A000-memory.dmp

memory/3204-3-0x0000000010000000-0x000000001004A000-memory.dmp

memory/3204-4-0x0000000010000000-0x000000001004A000-memory.dmp

memory/3204-5-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2216-6-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1516-7-0x0000000010000000-0x000000001004A000-memory.dmp

memory/3204-8-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1516-10-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1516-11-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2216-12-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1516-13-0x0000000010000000-0x000000001004A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-18 16:53

Reported

2024-07-18 16:56

Platform

win7-20240705-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5843a5a9972869ae244e0f94624842c1_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 188

Network

N/A

Files

N/A