Malware Analysis Report

2025-01-02 02:47

Sample ID 240720-ep2qaswakm
Target 5ef83be20dec148608f04e592889c937_JaffaCakes118
SHA256 94a271d8a6c8af932113c56d86e76657e3a7c90a8d2876c093baba1e9ae3c0f4
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: 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

94a271d8a6c8af932113c56d86e76657e3a7c90a8d2876c093baba1e9ae3c0f4

Threat Level: Known bad

The file 5ef83be20dec148608f04e592889c937_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

UPX packed file

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-20 04:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-20 04:07

Reported

2024-07-20 04:10

Platform

win7-20240705-en

Max time kernel

150s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_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
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
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 Windows directory

Description Indicator Process Target
File created C:\Windows\3universitaria.jpg.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe N/A
File created C:\Windows\3universitaria.jpg C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe N/A
File opened for modification C:\Windows\3universitaria.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 2456 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 2456 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 2456 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 2456 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 2456 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 2456 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 2456 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 2456 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 2456 wrote to memory of 2288 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 2288 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 3048 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2288 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2288 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2288 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2288 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2288 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_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/2456-0-0x0000000000400000-0x00000000007AA000-memory.dmp

memory/2288-7-0x0000000010000000-0x0000000010058000-memory.dmp

memory/2288-9-0x0000000010000000-0x0000000010058000-memory.dmp

memory/2288-12-0x0000000000400000-0x00000000007AA000-memory.dmp

memory/2456-11-0x0000000003750000-0x0000000003AFA000-memory.dmp

memory/2456-10-0x0000000000400000-0x00000000007AA000-memory.dmp

memory/2288-8-0x0000000010000000-0x0000000010058000-memory.dmp

memory/2288-4-0x0000000010000000-0x0000000010058000-memory.dmp

memory/3048-15-0x0000000010000000-0x0000000010058000-memory.dmp

memory/3048-13-0x0000000010000000-0x0000000010058000-memory.dmp

memory/2288-18-0x0000000000BC0000-0x0000000000BC2000-memory.dmp

memory/2840-19-0x0000000000320000-0x0000000000322000-memory.dmp

memory/2288-20-0x0000000010000000-0x0000000010058000-memory.dmp

C:\Windows\3universitaria.jpg

MD5 0e7a09e5f57fa94865a4a611054b621b
SHA1 8532e77ca831a94934dc1860837e75e409c2c8d9
SHA256 e6455b4158c4418025b717d34884db292eaf8a22aeed749e5f200fcae4b14f1b
SHA512 c66cda446931f05e1946f840b1072fe217303315f6e3d3d4735b365aabd83b90985749d1495f407c38d8daea5271d7c273549d941837404e8b767531e0a9737f

memory/2456-22-0x0000000003750000-0x0000000003AFA000-memory.dmp

memory/3048-23-0x0000000010000000-0x0000000010058000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-20 04:07

Reported

2024-07-20 04:10

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_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
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\3universitaria.jpg.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe N/A
File created C:\Windows\3universitaria.jpg C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1368 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 1368 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 1368 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 1368 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 1368 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 1368 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 1368 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 1368 wrote to memory of 1476 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe
PID 1476 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1476 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1476 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1476 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1476 wrote to memory of 636 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1476 wrote to memory of 636 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1476 wrote to memory of 636 N/A C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5ef83be20dec148608f04e592889c937_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 184 -p 4048 -ip 4048

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4048 -ip 4048

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 488

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 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 8.8.8.8:53 55.36.223.20.in-addr.arpa 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

Files

memory/1368-0-0x0000000000400000-0x00000000007AA000-memory.dmp

memory/1476-4-0x0000000010000000-0x0000000010058000-memory.dmp

memory/1368-9-0x0000000000400000-0x00000000007AA000-memory.dmp

memory/1476-8-0x0000000010000000-0x0000000010058000-memory.dmp

memory/1476-10-0x0000000010000000-0x0000000010058000-memory.dmp

memory/1476-6-0x0000000010000000-0x0000000010058000-memory.dmp

memory/4048-11-0x0000000010000000-0x0000000010058000-memory.dmp

memory/1476-14-0x0000000010000000-0x0000000010058000-memory.dmp

memory/4048-15-0x0000000010000000-0x0000000010058000-memory.dmp