Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/10/2024, 17:45
Static task
static1
Behavioral task
behavioral1
Sample
06c80d6320e0a1eed75ac33d98de8e9d_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
06c80d6320e0a1eed75ac33d98de8e9d_JaffaCakes118.dll
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Size
93KB
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MD5
06c80d6320e0a1eed75ac33d98de8e9d
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SHA1
7b06c7eb72e21269c4f20bdb1430cf5b7ac76dde
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SHA256
e04fe8e491e8b528c813ccf6e68fa8538b210eb5ac440afdeabfaa7818f32d1b
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SHA512
4d01a29eeb3a751392ea8be6edbbe21bcf33efd7dbbd3e6b25d9bffa087f5298fbd81b9a5aba9fee5dfdc7dda38fe96c8fc7d2911e773cb56fa77a253cad6713
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SSDEEP
1536:Ts7oDRuS4oYsEYxGvHqeC1JVnpke1aKYyutA1MPBH9OuKvc4Obm7IoMaHw2:AE4AEYeVmkaYhHp0cScBX2
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9B910027-9B19-E5ED-7705-12936BC899DA} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{9B910027-9B19-E5ED-7705-12936BC899DA}\ regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
description ioc Process Key deleted \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\URLSearchHooks regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\URLSearchHooks regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\URLSearchHooks\{9B910027-9B19-E5ED-7705-12936BC899DA} regsvr32.exe -
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B910027-9B19-E5ED-7705-12936BC899DA}\Data\MD\Data3 = "16" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B910027-9B19-E5ED-7705-12936BC899DA}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B910027-9B19-E5ED-7705-12936BC899DA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\06c80d6320e0a1eed75ac33d98de8e9d_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B910027-9B19-E5ED-7705-12936BC899DA}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B910027-9B19-E5ED-7705-12936BC899DA}\Data\MD regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B910027-9B19-E5ED-7705-12936BC899DA}\Data regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B910027-9B19-E5ED-7705-12936BC899DA} regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1228 wrote to memory of 4036 1228 regsvr32.exe 82 PID 1228 wrote to memory of 4036 1228 regsvr32.exe 82 PID 1228 wrote to memory of 4036 1228 regsvr32.exe 82
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\06c80d6320e0a1eed75ac33d98de8e9d_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\06c80d6320e0a1eed75ac33d98de8e9d_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
PID:4036
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