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Analysis
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max time kernel
149s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15/09/2024, 09:29
Static task
static1
Behavioral task
behavioral1
Sample
e22c69942658c0d8f4a2c6341017954a_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e22c69942658c0d8f4a2c6341017954a_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
e22c69942658c0d8f4a2c6341017954a_JaffaCakes118.dll
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Size
523KB
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MD5
e22c69942658c0d8f4a2c6341017954a
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SHA1
352731a7a7419c27adc3f2816039ee620d430735
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SHA256
67395b3c39b8630e810e16c6ae65496d2be6a5f6d0b1793c0bb0466fefc294d2
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SHA512
603c580df35d297aa15144d17a537dba4668626ea9e6ccd9c77b124c620b326c7fddfb02ea392e4eb4512eddd8b323ef1340d29ce9ab87fff16b8c2a65d85aaf
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SSDEEP
384:UyVlNjtU2eF8ZZHJTEi6CJyltEWBfYFF4CCnbTrAzyq+14kLO:JVlzHr6sylmMkgcyq2
Malware Config
Signatures
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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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\{3A908760-8000-4000-A000-9000322145A3} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3A908760-8000-4000-A000-9000322145A3}\ = "akjsckaq.dll" rundll32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\verclsid.exe rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A908760-8000-4000-A000-9000322145A3} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A908760-8000-4000-A000-9000322145A3}\InprocServer32\ = "C:\\Windows\\SysWow64\\akjsckaq.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A908760-8000-4000-A000-9000322145A3}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3A908760-8000-4000-A000-9000322145A3}\InprocServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5020 rundll32.exe 5020 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5020 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 640 wrote to memory of 5020 640 rundll32.exe 83 PID 640 wrote to memory of 5020 640 rundll32.exe 83 PID 640 wrote to memory of 5020 640 rundll32.exe 83 PID 5020 wrote to memory of 4280 5020 rundll32.exe 84 PID 5020 wrote to memory of 4280 5020 rundll32.exe 84 PID 5020 wrote to memory of 4280 5020 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e22c69942658c0d8f4a2c6341017954a_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e22c69942658c0d8f4a2c6341017954a_JaffaCakes118.dll,#12⤵
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~DFD240622937.bat3⤵
- System Location Discovery: System Language Discovery
PID:4280
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
121B
MD509517fc62284f33e877a276463580bd1
SHA10b14fe1db4493818f9de0bf2a56ee5370b8d479a
SHA2566cc6bbb1f3f754b6894d84130f5f2d86569ac3a603e1632d3cefa028f22b6238
SHA5121b924dd216d0f38199cc6df215e65ff260aa48fa37aa620dabcbc616f434643bd1f2e617d66b14bd52900214148741565128ba9589782ba582fd7308369f4a4d