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Analysis
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max time kernel
16s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
24/08/2024, 04:47
Static task
static1
Behavioral task
behavioral1
Sample
bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.dll
Resource
win7-20240729-en
General
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Target
bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.dll
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Size
640KB
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MD5
bdeb1418d2026ede04c6ce38124964a3
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SHA1
5fd0cf2ae66898b6e1dc00694401f575364bf952
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SHA256
96701061d4e698150f5505910dbf1000e4d66de6d4ffdafc26c893cd4cfb4ed3
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SHA512
c92f06177b41ab7b7c2d52b083c0b024888cb671713dec8bfcc72229d6ed348e91b6fb2d4e28a723bca0e88d4f8d7209c6a9ba3cdb88352c1a8ddfc759e0b2b8
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SSDEEP
12288:O0Et9YDc5DMWfT44XUDxoyiD02sHL1NVh+O2tePm:+tWDc/EXouPL13h+OA+
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-C839-5C3E-E8E3-F5576898ED8E} 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\Wow6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc\ = "brm inc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\ProgID\ = "bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\ = "brm inc" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 320 wrote to memory of 2544 320 regsvr32.exe 29 PID 320 wrote to memory of 2544 320 regsvr32.exe 29 PID 320 wrote to memory of 2544 320 regsvr32.exe 29 PID 320 wrote to memory of 2544 320 regsvr32.exe 29 PID 320 wrote to memory of 2544 320 regsvr32.exe 29 PID 320 wrote to memory of 2544 320 regsvr32.exe 29 PID 320 wrote to memory of 2544 320 regsvr32.exe 29
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2544
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