Malware Analysis Report

2025-03-15 04:34

Sample ID 241027-1hw25a1kcy
Target 76114625d67c6037c595a6b53a9c93a5_JaffaCakes118
SHA256 392d7505b5557da9249bbe12d775b02cd3114463fa480515aa6cf0fbc37b985d
Tags
discovery persistence spyware stealer 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

392d7505b5557da9249bbe12d775b02cd3114463fa480515aa6cf0fbc37b985d

Threat Level: Known bad

The file 76114625d67c6037c595a6b53a9c93a5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

discovery persistence spyware stealer upx

Modifies WinLogon for persistence

Reads user/profile data of web browsers

UPX packed file

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-27 21:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-27 21:39

Reported

2024-10-27 21:42

Platform

win7-20240903-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe" C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe N/A

Reads user/profile data of web browsers

spyware stealer

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3056 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe
PID 3056 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe
PID 3056 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe
PID 3056 wrote to memory of 2428 N/A C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe
PID 3056 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe
PID 3056 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe
PID 3056 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe
PID 3056 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft

C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp

Network

Country Destination Domain Proto
US 8.8.8.8:53 onlineinstitute.com udp
US 50.28.76.229:80 onlineinstitute.com tcp
US 8.8.8.8:53 cofeeandteeshop.com udp
US 8.8.8.8:53 zonetf.com udp
US 8.8.8.8:53 zonetf.com udp
US 8.8.8.8:53 smallautosite.com udp
US 13.248.169.48:80 zonetf.com tcp
US 13.248.169.48:80 zonetf.com tcp
US 13.248.169.48:80 zonetf.com tcp
US 13.248.169.48:80 zonetf.com tcp
US 13.248.169.48:80 zonetf.com tcp
US 8.8.8.8:53 www.google.com udp
GB 172.217.169.36:80 www.google.com tcp
US 13.248.169.48:80 zonetf.com tcp
GB 172.217.169.36:80 www.google.com tcp
N/A 127.0.0.1:61939 tcp

Files

memory/3056-1-0x0000000000400000-0x000000000046D000-memory.dmp

memory/3056-2-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2428-5-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2428-8-0x0000000000400000-0x000000000046D000-memory.dmp

memory/2428-6-0x0000000000400000-0x000000000046D000-memory.dmp

memory/3056-16-0x0000000000400000-0x000000000046D000-memory.dmp

C:\Users\Admin\AppData\Roaming\339D.FDB

MD5 15eb9fc301d9cab3091f6b83fbc472e1
SHA1 ac6311042ff65108fe45be30fbb59705af9c43e6
SHA256 165924be6aa74c421ae8534da70818c13e5275554edf3bccc38c952a3d0c87ce
SHA512 859825d589622f12c26e217cceaa72f3c290ddd9f9baa5996e9848d667102cf0029d987e54af835ea6c89d2c166a9063c4dff4ac0834b06df3b4941a9c79cee6

memory/2676-75-0x0000000000400000-0x000000000046D000-memory.dmp

memory/3056-76-0x0000000000400000-0x000000000046D000-memory.dmp

C:\Users\Admin\AppData\Roaming\339D.FDB

MD5 320af49afb4226622bdcc85a360edf25
SHA1 08563431281780346404796bd2a62a1f0bbccea2
SHA256 ecd3a566f34851339982ed265350196d0b46655156e83b66db812ba6cfed1d96
SHA512 83834b737a95b009de92b2082a5582d6a2a72a3c86208a5d6595ed1a4b1a8fcc2d5c503a8cc18c13f8bd6092f244d909d71722a2d43cc74da56ce28a5bb77080

C:\Users\Admin\AppData\Roaming\339D.FDB

MD5 f572550327e3df638bfd720e65970e19
SHA1 ca3c444d138f3aecc76754c4bbf64af272303833
SHA256 82b87a83ba68f2c86bef3cb3b06cf10620e84fc7773f8f4e351ac6bc7aa524d5
SHA512 12e6ad2b991aab83e4f558dcfeac61a97f05472827d407aed6de6b793175321953e1a27ed94414ab3701952c074165ae21b3841fdfbe1e4c8f341b439f0e78cd

memory/3056-195-0x0000000000400000-0x000000000046D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 21:39

Reported

2024-10-27 21:42

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\76114625d67c6037c595a6b53a9c93a5_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2920 -ip 2920

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 428

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 88.156.103.20.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 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

N/A