Malware Analysis Report

2025-01-18 21:53

Sample ID 240622-e7z97aybnc
Target 0148abfb1c7d027f565c508ffcf86276_JaffaCakes118
SHA256 a8a54323a3aedaca7c99f19cff1a6077ea79c655bb5d35033f3e59b6d614e76c
Tags
adware stealer
score
6/10

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
6/10

SHA256

a8a54323a3aedaca7c99f19cff1a6077ea79c655bb5d35033f3e59b6d614e76c

Threat Level: Shows suspicious behavior

The file 0148abfb1c7d027f565c508ffcf86276_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

adware stealer

Installs/modifies Browser Helper Object

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-22 04:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 04:35

Reported

2024-06-22 04:38

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{E6CBF4BC-ADAE-BD3A-76DB-321AE5E3B5C4} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E6CBF4BC-ADAE-BD3A-76DB-321AE5E3B5C4}\NoExplorer = "1" C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Explorer Bars C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Explorer Bars\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47} C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6CBF4BC-ADAE-BD3A-76DB-321AE5E3B5C4}\InProcServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47}\ = "Search panel" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6CBF4BC-ADAE-BD3A-76DB-321AE5E3B5C4}\InProcServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47}\Implemented Categories\{00021493-0000-0000-C000-000000000046} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47}\InProcServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6CBF4BC-ADAE-BD3A-76DB-321AE5E3B5C4} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6CBF4BC-ADAE-BD3A-76DB-321AE5E3B5C4}\ = "mysidesearch search enhancer" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6CBF4BC-ADAE-BD3A-76DB-321AE5E3B5C4}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47}\InProcServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47}\Implemented Categories C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{336EF076-7C70-A0D2-4FC7-1DE3B6F56A47}\Programmable C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1676 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1676 wrote to memory of 1720 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 04:35

Reported

2024-06-22 04:38

Platform

win10v2004-20240611-en

Max time kernel

139s

Max time network

139s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll

Signatures

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{455F8AC2-8622-E513-C079-FEF2B542FB2C} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{455F8AC2-8622-E513-C079-FEF2B542FB2C}\NoExplorer = "1" C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{CBCB3CB7-0AEB-AABC-479F-E5AD37A67300} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars C:\Windows\SysWOW64\regsvr32.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{455F8AC2-8622-E513-C079-FEF2B542FB2C} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{455F8AC2-8622-E513-C079-FEF2B542FB2C}\InProcServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CBCB3CB7-0AEB-AABC-479F-E5AD37A67300}\Implemented Categories\{00021493-0000-0000-C000-000000000046} C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CBCB3CB7-0AEB-AABC-479F-E5AD37A67300}\Implemented Categories C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CBCB3CB7-0AEB-AABC-479F-E5AD37A67300}\Programmable C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{455F8AC2-8622-E513-C079-FEF2B542FB2C}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CBCB3CB7-0AEB-AABC-479F-E5AD37A67300} C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CBCB3CB7-0AEB-AABC-479F-E5AD37A67300}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll" C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{455F8AC2-8622-E513-C079-FEF2B542FB2C}\ = "mysidesearch search enhancer" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CBCB3CB7-0AEB-AABC-479F-E5AD37A67300}\InProcServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CBCB3CB7-0AEB-AABC-479F-E5AD37A67300}\InProcServer32\ThreadingModel = "Apartment" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{455F8AC2-8622-E513-C079-FEF2B542FB2C}\InProcServer32 C:\Windows\SysWOW64\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CBCB3CB7-0AEB-AABC-479F-E5AD37A67300}\ = "Search panel" C:\Windows\SysWOW64\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3736 wrote to memory of 220 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3736 wrote to memory of 220 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3736 wrote to memory of 220 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\0148abfb1c7d027f565c508ffcf86276_JaffaCakes118.dll

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
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

N/A