Malware Analysis Report

2025-01-18 21:40

Sample ID 240415-hxdvzshc56
Target f08acc59dad39c48dfd7705fb175f302_JaffaCakes118
SHA256 86bbaa2a0cbd65bb70db2b3090bca9f33c1af513509b00d4cfb2fb4b51af9f2a
Tags
adware persistence stealer
score
8/10

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
8/10

SHA256

86bbaa2a0cbd65bb70db2b3090bca9f33c1af513509b00d4cfb2fb4b51af9f2a

Threat Level: Likely malicious

The file f08acc59dad39c48dfd7705fb175f302_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

adware persistence stealer

Adds policy Run key to start application

Loads dropped DLL

Installs/modifies Browser Helper Object

Drops file in System32 directory

Unsigned PE

Modifies Internet Explorer settings

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-15 07:06

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-15 07:06

Reported

2024-04-15 07:09

Platform

win10v2004-20240412-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe"

Signatures

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\run C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\nvctrl.exe = "nvctrl.exe" C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0103cd4-d1ce-411a-b75b-4fec072867f4} C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0103cd4-d1ce-411a-b75b-4fec072867f4}\ C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\ncompat.tlb C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\msvol.tlb C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\hp5D91.tmp C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\ncompat.tlb C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\Search C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Internet Explorer\SearchUrl C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{e0103cd4-d1ce-411a-b75b-4fec072867f4}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4} C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4}\ = "HomepageBHO" C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4}\InprocServer32\ = "C:\\Windows\\SysWow64\\hp5D91.tmp" C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe"

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 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 216.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 120.150.79.40.in-addr.arpa udp

Files

C:\Windows\SysWOW64\hp5D91.tmp

MD5 634e878dad5fa474474c420ff5016d46
SHA1 ad39433ba9067c77220acf665c86774954e7d58b
SHA256 4c4603568d092585990c9f1f7976109b3cd8225e33dedcb7a537d6ab5f6ee7ea
SHA512 00d12cba4cb4f5772185418bd55fdb837dae9173a36a46ffde7d8064124656c7b68248077133273f98d752a5c6035feb6a3555d419d4fc445bafba94a11e1b4b

memory/1280-4-0x0000000010000000-0x0000000010013000-memory.dmp

C:\Windows\SysWOW64\msvol.tlb

MD5 844af6a81facfa926164808beaa28aec
SHA1 7ea256428a72f879b8c21ad25d4cf45d26729a4f
SHA256 418ad1af2d416cc84b1af39be5c1a8af217bc2befb61e7ebcb75011970dacf4d
SHA512 2d08d7b71326135720f5a35ef0b048c556fd2f57b1420443d1b6b7ef9ffb37c80f6c19cb9ae0faff41f0776953d806498f2ea616ce0dd498013211f532b995b6

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-15 07:06

Reported

2024-04-15 07:09

Platform

win7-20240221-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe"

Signatures

Adds policy Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\nvctrl.exe = "nvctrl.exe" C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\run C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0103cd4-d1ce-411a-b75b-4fec072867f4} C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e0103cd4-d1ce-411a-b75b-4fec072867f4}\ C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\msvol.tlb C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\hp75FB.tmp C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\ncompat.tlb C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\ncompat.tlb C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\SearchUrl C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Search C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{e0103cd4-d1ce-411a-b75b-4fec072867f4}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4} C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4}\ = "HomepageBHO" C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4}\InprocServer32 C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4}\InprocServer32\ = "C:\\Windows\\SysWow64\\hp75FB.tmp" C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0103CD4-D1CE-411A-B75B-4FEC072867F4}\InprocServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f08acc59dad39c48dfd7705fb175f302_JaffaCakes118.exe"

Network

N/A

Files

\Windows\SysWOW64\hp75FB.tmp

MD5 634e878dad5fa474474c420ff5016d46
SHA1 ad39433ba9067c77220acf665c86774954e7d58b
SHA256 4c4603568d092585990c9f1f7976109b3cd8225e33dedcb7a537d6ab5f6ee7ea
SHA512 00d12cba4cb4f5772185418bd55fdb837dae9173a36a46ffde7d8064124656c7b68248077133273f98d752a5c6035feb6a3555d419d4fc445bafba94a11e1b4b

memory/2808-3-0x0000000010000000-0x0000000010013000-memory.dmp

\Windows\SysWOW64\msvol.tlb

MD5 844af6a81facfa926164808beaa28aec
SHA1 7ea256428a72f879b8c21ad25d4cf45d26729a4f
SHA256 418ad1af2d416cc84b1af39be5c1a8af217bc2befb61e7ebcb75011970dacf4d
SHA512 2d08d7b71326135720f5a35ef0b048c556fd2f57b1420443d1b6b7ef9ffb37c80f6c19cb9ae0faff41f0776953d806498f2ea616ce0dd498013211f532b995b6

memory/2808-8-0x0000000010000000-0x0000000010013000-memory.dmp