Analysis
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max time kernel
93s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
15-04-2024 15:08
Behavioral task
behavioral1
Sample
f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll
Resource
win7-20240220-en
3 signatures
150 seconds
General
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Target
f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll
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Size
651KB
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MD5
f1594abdc390ac24693b17e22c1ad433
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SHA1
aae037b5673d5785b7abdb609f087cff4db64307
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SHA256
86722dd18841f9ddf3537c42af0d69c4a990f4db6f643374595e98d678f4f7c3
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SHA512
4320974e75f36c73a24786472c993c10b1e89fd443510d5a0608b893783a5785e65efc9a2181e2d9b94726e75ed1fb95fd4971570f4bd2db72fa960d03fdb62d
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SSDEEP
12288:w1OlLvcoLSgz+O1O1cV1nd3XMPf3M+TfJ8q6xGJOpqG0HtBNUZzvN:w1mLvcoFzVO1aGdTfT0Gkph4U9N
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\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41} regsvr32.exe -
Modifies registry class 6 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\ = "Äîñòóï ê ïëàòíîìó êîíòåíòó FieryAds v2.0.2" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5072 wrote to memory of 944 5072 regsvr32.exe 84 PID 5072 wrote to memory of 944 5072 regsvr32.exe 84 PID 5072 wrote to memory of 944 5072 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:944
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