Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-04-2024 15:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll
Resource
win7-20240221-en
3 signatures
150 seconds
General
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Target
f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll
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Size
306KB
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MD5
f16e4003d8b3fd6ac4ebfc5fa1827bee
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SHA1
6df2c79cd09b88f7709da6d1166f9fa3b7051580
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SHA256
6a9af334250406bb27c3fb6943c7bbd3ae5bb47c93d67fef172cfc7d06bb5a12
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SHA512
768ab171543b47f5794cf095d611552c9ad6ecfe8bfd33a1ea77c08ceea1f319c4216bf8e9aa29d1948904a87a89f12a3c6c0f81f6aef014c8041d5355dbb789
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SSDEEP
6144:ngfPDQhaD9h4NTbazcPFqR5Ayvm4TB/CUUzhSnB:ngfPDQUhGSzcP6fvm4T1CUUza
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\{de4ab424-b368-b540-16db-2da38a50a5be} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{de4ab424-b368-b540-16db-2da38a50a5be}\NoExplorer = "\"\"" regsvr32.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{de4ab424-b368-b540-16db-2da38a50a5be}\ = "adzgalore" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{de4ab424-b368-b540-16db-2da38a50a5be}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{de4ab424-b368-b540-16db-2da38a50a5be}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{de4ab424-b368-b540-16db-2da38a50a5be}\InProcServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{de4ab424-b368-b540-16db-2da38a50a5be} regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1196 wrote to memory of 2184 1196 regsvr32.exe 28 PID 1196 wrote to memory of 2184 1196 regsvr32.exe 28 PID 1196 wrote to memory of 2184 1196 regsvr32.exe 28 PID 1196 wrote to memory of 2184 1196 regsvr32.exe 28 PID 1196 wrote to memory of 2184 1196 regsvr32.exe 28 PID 1196 wrote to memory of 2184 1196 regsvr32.exe 28 PID 1196 wrote to memory of 2184 1196 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\f16e4003d8b3fd6ac4ebfc5fa1827bee_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2184
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