Malware Analysis Report

2024-11-13 18:40

Sample ID 240712-jnftnavblj
Target 3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118
SHA256 896e216df79dca12124912803592c696b0a07c14d259bbc734e0ce357e323e27
Tags
upx xtremerat 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

896e216df79dca12124912803592c696b0a07c14d259bbc734e0ce357e323e27

Threat Level: Known bad

The file 3c8a490c97e4793dd40edd8c9bd33222_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

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-12 07:48

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-12 07:48

Reported

2024-07-12 07:51

Platform

win7-20240704-en

Max time kernel

149s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_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

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1880 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1880 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1880 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1880 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1880 wrote to memory of 780 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1880 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1880 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1880 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1880 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 1880 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_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/1880-0-0x0000000010000000-0x0000000010053000-memory.dmp

memory/780-2-0x0000000010000000-0x0000000010053000-memory.dmp

memory/780-3-0x0000000010000000-0x0000000010053000-memory.dmp

memory/1880-4-0x0000000010000000-0x0000000010053000-memory.dmp

memory/780-5-0x0000000010000000-0x0000000010053000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 07:48

Reported

2024-07-12 07:51

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3c8a490c97e4793dd40edd8c9bd33222_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 412 -p 232 -ip 232

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 232 -ip 232

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4424-0-0x0000000010000000-0x0000000010053000-memory.dmp

memory/232-1-0x0000000010000000-0x0000000010053000-memory.dmp

memory/4424-3-0x0000000010000000-0x0000000010053000-memory.dmp

memory/232-4-0x0000000010000000-0x0000000010053000-memory.dmp