Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-04-2024 19:30
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f1c088fa2b4af4b4dcf1de688f79218e_JaffaCakes118.dll
Resource
win7-20240221-en
3 signatures
150 seconds
General
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Target
f1c088fa2b4af4b4dcf1de688f79218e_JaffaCakes118.dll
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Size
12KB
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MD5
f1c088fa2b4af4b4dcf1de688f79218e
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SHA1
c2c577feb5dae69d7f1c22b1316925cf6e71d2a8
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SHA256
79e56af530c7e790395ae6e807d5d2dbbef9b483cca03b790e538c0514323891
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SHA512
896549b209fd558c2f9c4c6a5b0697864c283909f53b26b622a4f238d8cf47c48fc14be8a51f7e4d641dbef93cf2d7e1d4999e6973ed2de96cb86b1da59058de
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SSDEEP
192:BYdK32D3bPLQ+leEFwioAohS+Kn3/w8QA5UogTwSNrz3:KhTLCRKGA5x3
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\{C2A1C5CB-C0EF-4689-9436-F62CCA1C5383} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{C2A1C5CB-C0EF-4689-9436-F62CCA1C5383}\ regsvr32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{C2A1C5CB-C0EF-4689-9436-F62CCA1C5383} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C2A1C5CB-C0EF-4689-9436-F62CCA1C5383}\xxx = "xxx" regsvr32.exe Key created \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{C2A1C5CB-C0EF-4689-9436-F62CCA1C5383}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C2A1C5CB-C0EF-4689-9436-F62CCA1C5383}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1c088fa2b4af4b4dcf1de688f79218e_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C2A1C5CB-C0EF-4689-9436-F62CCA1C5383}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2284 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2284 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2284 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2284 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2284 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2284 2972 regsvr32.exe 28 PID 2972 wrote to memory of 2284 2972 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\f1c088fa2b4af4b4dcf1de688f79218e_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\f1c088fa2b4af4b4dcf1de688f79218e_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2284
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