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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
12/08/2024, 03:21
Behavioral task
behavioral1
Sample
8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.dll
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Size
229KB
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MD5
8d1c3dceb3c9247a17465ddeae2c932d
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SHA1
8f4f98e97713d3764767eb1f4e3751cdec1b0e1c
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SHA256
475e50b3b5ed89a7df824e4aea3b4cda55fc5c479329435fe466f6b978a466d9
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SHA512
5bdf5bd88fc84c9d5be3db99ae4b77690786751e68ae22714c71affede4e94933029d1463e8245805cd36235cdc4324307f98b65e1532eb38995fe27f4311deb
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SSDEEP
6144:Kvblqdga5Tc+mkoIvRMV94kTtNCalLVal4J:KzoXtoWyzCeLVMc
Malware Config
Signatures
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resource yara_rule behavioral1/memory/816-0-0x00000000022D0000-0x000000000236F000-memory.dmp upx -
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\{A692062A-4782-461B-BE98-B520F01F96FC} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{A692062A-4782-461B-BE98-B520F01F96FC}\ regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\romanime.log 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\8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.TobjXQDBHO\ = "ËÑË÷ÒýÇæÔöÇ¿²å¼þ" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.TobjXQDBHO\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A692062A-4782-461B-BE98-B520F01F96FC} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A692062A-4782-461B-BE98-B520F01F96FC}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A692062A-4782-461B-BE98-B520F01F96FC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.TobjXQDBHO regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.TobjXQDBHO\Clsid\ = "{A692062A-4782-461B-BE98-B520F01F96FC}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A692062A-4782-461B-BE98-B520F01F96FC}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A692062A-4782-461B-BE98-B520F01F96FC}\ProgID\ = "8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.TobjXQDBHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A692062A-4782-461B-BE98-B520F01F96FC}\ = "ËÑË÷ÒýÇæÔöÇ¿²å¼þ" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A692062A-4782-461B-BE98-B520F01F96FC}\InprocServer32 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 552 wrote to memory of 816 552 regsvr32.exe 31 PID 552 wrote to memory of 816 552 regsvr32.exe 31 PID 552 wrote to memory of 816 552 regsvr32.exe 31 PID 552 wrote to memory of 816 552 regsvr32.exe 31 PID 552 wrote to memory of 816 552 regsvr32.exe 31 PID 552 wrote to memory of 816 552 regsvr32.exe 31 PID 552 wrote to memory of 816 552 regsvr32.exe 31
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:552 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\8d1c3dceb3c9247a17465ddeae2c932d_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:816
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