Malware Analysis Report

2024-11-13 18:40

Sample ID 240712-d5182azbjb
Target 3bdb38fb4fac637cc72b5f0f37f89ea2_JaffaCakes118
SHA256 a9637ba08b71013937d9af41a6e8536c38dd7a5fb022b696ab0fb4242d1f9aa4
Tags
upx xtremerat persistence rat spyware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

a9637ba08b71013937d9af41a6e8536c38dd7a5fb022b696ab0fb4242d1f9aa4

Threat Level: Known bad

The file 3bdb38fb4fac637cc72b5f0f37f89ea2_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx xtremerat persistence rat spyware

Detect XtremeRAT payload

Xtremerat family

XtremeRAT

UPX packed file

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-12 03:36

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-12 03:36

Reported

2024-07-12 03:38

Platform

win7-20240705-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bdb38fb4fac637cc72b5f0f37f89ea2_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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

Processes

C:\Users\Admin\AppData\Local\Temp\3bdb38fb4fac637cc72b5f0f37f89ea2_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3bdb38fb4fac637cc72b5f0f37f89ea2_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 160

Network

N/A

Files

memory/2368-0-0x0000000000C80000-0x0000000000C95000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 03:36

Reported

2024-07-12 03:38

Platform

win10v2004-20240709-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bdb38fb4fac637cc72b5f0f37f89ea2_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

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

Processes

C:\Users\Admin\AppData\Local\Temp\3bdb38fb4fac637cc72b5f0f37f89ea2_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3bdb38fb4fac637cc72b5f0f37f89ea2_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4052 -ip 4052

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 508

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4052-0-0x0000000000C80000-0x0000000000C95000-memory.dmp

memory/4052-1-0x0000000000C80000-0x0000000000C95000-memory.dmp