Malware Analysis Report

2024-12-07 21:35

Sample ID 240717-nc13ns1ekf
Target 52befaaee1ab0236392c06e318249396_JaffaCakes118
SHA256 33093d2d855d53948c6626d0496dccd0a707679a8d5a803ddff7c6433711792f
Tags
xtremerat persistence rat spyware upx
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

33093d2d855d53948c6626d0496dccd0a707679a8d5a803ddff7c6433711792f

Threat Level: Known bad

The file 52befaaee1ab0236392c06e318249396_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

Xtremerat family

UPX packed file

Drops file in System32 directory

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-17 11:15

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: behavioral2

Detonation Overview

Submitted

2024-07-17 11:15

Reported

2024-07-17 11:18

Platform

win10v2004-20240709-en

Max time kernel

92s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\59335694_131542260199597_100000314718632_254991_5667378_a.jpg C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\59335694_131542260199597_100000314718632_254991_5667378_a.jpg.exe C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_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 408 -p 1796 -ip 1796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1796 -ip 1796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa 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 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.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
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp

Files

memory/4540-0-0x0000000010000000-0x000000001004F000-memory.dmp

memory/1796-1-0x0000000010000000-0x000000001004F000-memory.dmp

memory/4540-5-0x0000000010000000-0x000000001004F000-memory.dmp

memory/1796-6-0x0000000010000000-0x000000001004F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-17 11:15

Reported

2024-07-17 11:18

Platform

win7-20240704-en

Max time kernel

149s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\59335694_131542260199597_100000314718632_254991_5667378_a.jpg.exe C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\59335694_131542260199597_100000314718632_254991_5667378_a.jpg C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\59335694_131542260199597_100000314718632_254991_5667378_a.jpg C:\Windows\SysWOW64\DllHost.exe N/A

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\DllHost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2348 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2348 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2348 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2348 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2348 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2348 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2348 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2348 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2348 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2348 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\52befaaee1ab0236392c06e318249396_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe"

C:\Windows\SysWOW64\DllHost.exe

C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}

Network

N/A

Files

memory/2348-0-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2396-1-0x0000000010000000-0x000000001004F000-memory.dmp

memory/2348-6-0x0000000002A00000-0x0000000002A02000-memory.dmp

memory/3016-7-0x0000000000160000-0x0000000000162000-memory.dmp

memory/2348-9-0x0000000010000000-0x000000001004F000-memory.dmp

memory/3016-10-0x00000000001A0000-0x00000000001A1000-memory.dmp

C:\Windows\SysWOW64\59335694_131542260199597_100000314718632_254991_5667378_a.jpg

MD5 7f88605ddba9ac70922771d9af3c9715
SHA1 9e705c241a85f9bd16ac4672cce697fde31513ca
SHA256 f9eb38321123f4793a288bb0272a9377e074f3d2006ea6604b25c25a6268e79b
SHA512 2c5de5dbecfb208061e1d812ec371284b6444ad352d6aaef65a22febf7638baac3a588a2d3402bdeae161d8142eb41b70a8fce12960b410b6c41c58513920999

memory/2396-12-0x0000000010000000-0x000000001004F000-memory.dmp

memory/3016-13-0x00000000001A0000-0x00000000001A1000-memory.dmp