Malware Analysis Report

2025-08-11 04:38

Sample ID 250119-n6p79sxjfk
Target JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d
SHA256 1868c5e60474d7aab74beefca8f4b5293f300252d96d34f6420918d91da722f6
Tags
xtremerat discovery 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

1868c5e60474d7aab74beefca8f4b5293f300252d96d34f6420918d91da722f6

Threat Level: Known bad

The file JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d was found to be: Known bad.

Malicious Activity Summary

xtremerat discovery persistence rat spyware

Detect XtremeRAT payload

Xtremerat family

XtremeRAT

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-19 12:00

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-19 12:00

Reported

2025-01-19 12:03

Platform

win7-20241010-en

Max time kernel

118s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Xtremerat family

xtremerat

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\JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 160

Network

N/A

Files

memory/2776-0-0x0000000000C80000-0x0000000000C93000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-19 12:00

Reported

2025-01-19 12:03

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Xtremerat family

xtremerat

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\JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c726e164b6d0d27f19ef4973adcbdb6d.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4624 -ip 4624

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 500

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 7.98.22.2.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4624-0-0x0000000000C80000-0x0000000000C93000-memory.dmp