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Analysis
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max time kernel
93s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30/09/2024, 11:28
Static task
static1
Behavioral task
behavioral1
Sample
0115629224b4d4f0c7d1e440d02af9f4_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0115629224b4d4f0c7d1e440d02af9f4_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
0115629224b4d4f0c7d1e440d02af9f4_JaffaCakes118.dll
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Size
237KB
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MD5
0115629224b4d4f0c7d1e440d02af9f4
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SHA1
c152dfc6641c6541b7e33a7979dddb37c87703a7
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SHA256
b66d4574ab04714c7e616fe622fe8f31a3978cb790f8b8d1bd821e92c356a106
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SHA512
69d2c5828d391f5dd1a3b7aebb0874a3eda1a6637c284ab9aa18ff41123b042f3bf6a58c7f1b12277aa33a1d82239f8db15f4fd0925b9a01f9f70717f055b8c8
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SSDEEP
3072:pLbjDwVMMoCI5S6/ChArh2cm2MjaxgKENwk+T:pjEVMMoC0/ChAFmj2e3ET
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\fac = "{5882c4d8-d00a-255f-e11b-d00a4c50290c}" rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1880 rundll32.exe 1880 rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\dya.dll rundll32.exe File created C:\Windows\SysWOW64\avx.dll rundll32.exe File created C:\Windows\SysWOW64\rmo.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\rmo.dll rundll32.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 rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5882c4d8-d00a-255f-e11b-d00a4c50290c}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5882c4d8-d00a-255f-e11b-d00a4c50290c} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5882c4d8-d00a-255f-e11b-d00a4c50290c}\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5882c4d8-d00a-255f-e11b-d00a4c50290c}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5882c4d8-d00a-255f-e11b-d00a4c50290c}\InprocServer32\ = "C:\\Windows\\SysWow64\\avx.dll" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1880 rundll32.exe 1880 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1880 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1880 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4724 wrote to memory of 1880 4724 rundll32.exe 82 PID 4724 wrote to memory of 1880 4724 rundll32.exe 82 PID 4724 wrote to memory of 1880 4724 rundll32.exe 82
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0115629224b4d4f0c7d1e440d02af9f4_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4724 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0115629224b4d4f0c7d1e440d02af9f4_JaffaCakes118.dll,#12⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1880
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
625KB
MD5eccf28d7e5ccec24119b88edd160f8f4
SHA198509587a3d37a20b56b50fd57f823a1691a034c
SHA256820c83c0533cfce2928e29edeaf6c255bc19ac9718b25a5656d99ffac30a03d6
SHA512c1c94bbb781625b2317f0a8178d3a10d891fb71bca8f82cd831c484e8ab125301b82a14fe2ff070dc99a496cc00234300fa5536401018c40d49d44ae89409670
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Filesize
478KB
MD5e99416267b61f52fa5ab994019efd359
SHA186d31eae707db7fe51d2556394fcf0e8e9f6b0fd
SHA256768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774
SHA5120a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae