Analysis
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max time kernel
95s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
14-07-2024 06:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.dll
Resource
win7-20240704-en
windows7-x64
3 signatures
150 seconds
General
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Target
44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.dll
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Size
607KB
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MD5
44a5250fe4dcf08e53845786b8dc352f
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SHA1
3b3e946099a6c47f69142d59398a771dc1effe24
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SHA256
5aeb95e866e46a4845178e6aa7093ca213f6a2b29651fdfdacdff8518b81fecd
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SHA512
fc2bf6bd574eafd091d436ebfe42683eacbd0a2c93810ad83f0971b5333bf217101e6a403b525d39e3fa4735289ba0b5caedd80dbf4817ec8a00ceb5e868890c
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SSDEEP
12288:1pIt9HX65cspWkY5DARyLuaIg3Qao/rxf7C5Ppg/:1etFXsoB7LGnao/rxf7C5Ppg
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-4799-11B2-EBA8-E6878B45CDC4} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4799-11B2-EBA8-E6878B45CDC4}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4799-11B2-EBA8-E6878B45CDC4}\ProgID\ = "44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.iwc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4799-11B2-EBA8-E6878B45CDC4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4799-11B2-EBA8-E6878B45CDC4}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4799-11B2-EBA8-E6878B45CDC4}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.iwc regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.iwc\ = "iwc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4799-11B2-EBA8-E6878B45CDC4}\ = "iwc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4799-11B2-EBA8-E6878B45CDC4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.iwc\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.iwc\Clsid\ = "{CC01FC6C-4799-11B2-EBA8-E6878B45CDC4}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1616 wrote to memory of 740 1616 regsvr32.exe 84 PID 1616 wrote to memory of 740 1616 regsvr32.exe 84 PID 1616 wrote to memory of 740 1616 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1616 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\44a5250fe4dcf08e53845786b8dc352f_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:740
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