Malware Analysis Report

2024-12-07 21:33

Sample ID 240716-tletpatanb
Target 4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118
SHA256 f3e27114bc996b5f58003981c7c437e6a04f37f9615530b239f1f9134bdfa8e8
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

f3e27114bc996b5f58003981c7c437e6a04f37f9615530b239f1f9134bdfa8e8

Threat Level: Known bad

The file 4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx xtremerat persistence rat spyware

Xtremerat family

XtremeRAT

Detect XtremeRAT payload

UPX packed file

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-16 16:08

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

2024-07-16 16:08

Reported

2024-07-16 16:10

Platform

win7-20240704-en

Max time kernel

149s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_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

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 2912 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2912 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2912 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2912 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2912 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2912 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2912 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2912 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2912 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2912 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_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/2912-0-0x0000000010000000-0x000000001004B000-memory.dmp

memory/1040-2-0x0000000010000000-0x000000001004B000-memory.dmp

memory/1040-3-0x0000000010000000-0x000000001004B000-memory.dmp

memory/2912-4-0x0000000010000000-0x000000001004B000-memory.dmp

memory/1040-5-0x0000000010000000-0x000000001004B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 16:08

Reported

2024-07-16 16:11

Platform

win10v2004-20240709-en

Max time kernel

139s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_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\4f11e1bb6ea5d0bc39c654ab01d09595_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4f11e1bb6ea5d0bc39c654ab01d09595_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 404 -p 4964 -ip 4964

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4964 -ip 4964

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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 10.27.171.150.in-addr.arpa udp

Files

memory/5032-0-0x0000000010000000-0x000000001004B000-memory.dmp

memory/4964-1-0x0000000010000000-0x000000001004B000-memory.dmp

memory/5032-3-0x0000000010000000-0x000000001004B000-memory.dmp

memory/4964-4-0x0000000010000000-0x000000001004B000-memory.dmp