Analysis Overview
SHA256
4af04ba1d2405491ea667993e3b04f9a3032960da916438769ae0e4df343fbb8
Threat Level: Shows suspicious behavior
The file 01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks computer location settings
Deletes itself
Installs/modifies Browser Helper Object
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Modifies Internet Explorer settings
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-22 11:36
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-22 11:36
Reported
2024-06-22 11:38
Platform
win7-20240221-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7837CA49-D4F5-4335-BA75-0E008BF95012} | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7837CA49-D4F5-4335-BA75-0E008BF95012}\ = "Google Audio Helper" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\sys.dat | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\apphelph3.dll | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\apphelph3.dll | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7837CA49-D4F5-4335-BA75-0E008BF95012}\InProcServer32 | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7837CA49-D4F5-4335-BA75-0E008BF95012}\InProcServer32\ = "%SystemRoot%\\SysWow64\\apphelph3.dll" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7837CA49-D4F5-4335-BA75-0E008BF95012}\InProcServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7837CA49-D4F5-4335-BA75-0E008BF95012} | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7837CA49-D4F5-4335-BA75-0E008BF95012}\ = "Google Audio Helper" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2336 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2336 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2336 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2336 wrote to memory of 2160 | N/A | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C apphelp.bat
Network
Files
C:\Users\Admin\AppData\Local\Temp\apphelp.bat
| MD5 | 333b1a375896eba2946c7fbb1ed936d0 |
| SHA1 | 92ea27e3ccbdbf100cb3f71c20938fa3a1acce4b |
| SHA256 | 666c60d137bf471d3f574ca25054ef08ac0401d0661bc893f587a9375a9c6123 |
| SHA512 | b7774a777774356d23bce0399f39e43c5b59bb53d26ae4c922286e31ca18ff8e0a22062b83ae668cd8d92df1447f14d8bb7cb43c3a3793693eb9c913f3a3861c |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 11:36
Reported
2024-06-22 11:38
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
150s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9105EA91-5EED-434C-B490-AEBCF54E286B} | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9105EA91-5EED-434C-B490-AEBCF54E286B}\ = "Google Audio Helper" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\sys.dat | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\apphelph3.dll | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\apphelph3.dll | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\WOW6432Node\CLSID | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9105EA91-5EED-434C-B490-AEBCF54E286B} | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9105EA91-5EED-434C-B490-AEBCF54E286B}\ = "Google Audio Helper" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9105EA91-5EED-434C-B490-AEBCF54E286B}\InProcServer32 | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9105EA91-5EED-434C-B490-AEBCF54E286B}\InProcServer32\ = "%SystemRoot%\\SysWow64\\apphelph3.dll" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9105EA91-5EED-434C-B490-AEBCF54E286B}\InProcServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5108 wrote to memory of 3608 | N/A | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5108 wrote to memory of 3608 | N/A | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 5108 wrote to memory of 3608 | N/A | C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C apphelp.bat
Network
Files
C:\Users\Admin\AppData\Local\Temp\apphelp.bat
| MD5 | 333b1a375896eba2946c7fbb1ed936d0 |
| SHA1 | 92ea27e3ccbdbf100cb3f71c20938fa3a1acce4b |
| SHA256 | 666c60d137bf471d3f574ca25054ef08ac0401d0661bc893f587a9375a9c6123 |
| SHA512 | b7774a777774356d23bce0399f39e43c5b59bb53d26ae4c922286e31ca18ff8e0a22062b83ae668cd8d92df1447f14d8bb7cb43c3a3793693eb9c913f3a3861c |