Analysis
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max time kernel
141s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/10/2024, 21:23
Static task
static1
Behavioral task
behavioral1
Sample
53cd05a91f253d1adf850f20687dfed7_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
53cd05a91f253d1adf850f20687dfed7_JaffaCakes118.dll
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Size
212KB
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MD5
53cd05a91f253d1adf850f20687dfed7
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SHA1
3d66427e9229ec71e58767ce27934ac6ebc87db1
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SHA256
dedf696958619294db271816219e408e5bbce11adabe7086b62aa224bedd6428
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SHA512
5d751bf1893953be74ba5cc695b2024db0808aab211214a19d62eb3d5fb454839e415b5d92df467b9dcb0cb62efe01f9fe6eb77bd1c8b60e39bc7a2aefe39340
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SSDEEP
3072:Q3RSA6fbS8xlk7zlViaSs9mVSLmLjpxlTgu9Rv9tFrQJIsJDC:QhPZlVFSPpx5/1raDC
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 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{681B7437-A2F6-447B-9B54-0CA618784982} 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 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{681B7437-A2F6-447B-9B54-0CA618784982} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{681B7437-A2F6-447B-9B54-0CA618784982}\ = "search" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{681B7437-A2F6-447B-9B54-0CA618784982}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{681B7437-A2F6-447B-9B54-0CA618784982}\InProcServer32\ = "wzdgknqt.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{681B7437-A2F6-447B-9B54-0CA618784982}\InProcServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3780 wrote to memory of 4152 3780 regsvr32.exe 84 PID 3780 wrote to memory of 4152 3780 regsvr32.exe 84 PID 3780 wrote to memory of 4152 3780 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\53cd05a91f253d1adf850f20687dfed7_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3780 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\53cd05a91f253d1adf850f20687dfed7_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4152
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