Analysis
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max time kernel
95s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 06:16
Static task
static1
Behavioral task
behavioral1
Sample
eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.dll
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Size
635KB
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MD5
eabea6c192d0e28c35d3cfca03ba0771
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SHA1
a45fd6ce180813dcf9abcb1f2c0f7901e6255e0e
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SHA256
cfc9f0d2af9d31707ea2325aa3ade4fba3d493750db78340a23c5fd8cb2e1f76
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SHA512
025caf93d55e136f29827a7d25112f8a8dfffe0fc349f8245c2dbdeb5a7bce407f65e33241a602d8a568005ee702957196906ddb2d114416999eb9ef144c36bc
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SSDEEP
12288:oM0t9FNcxDMmfrLAF8rZIRf2MmsXaPPrMhOMD37qw9WNcK85JZp5JZp5JZp5JZp:4tjNcXnVInvaHAh4
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 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\{CC01FC6C-E943-9856-1BEB-8AD6B8724437} 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 -
Modifies registry class 11 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.axc\ = "axc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.axc\Clsid\ = "{CC01FC6C-E943-9856-1BEB-8AD6B8724437}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E943-9856-1BEB-8AD6B8724437}\ProgID\ = "eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.axc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E943-9856-1BEB-8AD6B8724437} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E943-9856-1BEB-8AD6B8724437}\ = "axc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E943-9856-1BEB-8AD6B8724437}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.axc regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E943-9856-1BEB-8AD6B8724437}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E943-9856-1BEB-8AD6B8724437}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.axc\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E943-9856-1BEB-8AD6B8724437}\ProgID regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1340 wrote to memory of 3300 1340 regsvr32.exe 82 PID 1340 wrote to memory of 3300 1340 regsvr32.exe 82 PID 1340 wrote to memory of 3300 1340 regsvr32.exe 82
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\eabea6c192d0e28c35d3cfca03ba0771_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3300
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