Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/09/2024, 14:53
Static task
static1
Behavioral task
behavioral1
Sample
edd4fe4fddb39e50adb4025cfec64a3c_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
edd4fe4fddb39e50adb4025cfec64a3c_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
edd4fe4fddb39e50adb4025cfec64a3c_JaffaCakes118.dll
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Size
252KB
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MD5
edd4fe4fddb39e50adb4025cfec64a3c
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SHA1
05bf68130a98ff43572b3204d7e4e32e45fef09d
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SHA256
5659829cad45d6c9abfee6c3c79235ef3fd5be497ae39adb6c9a718ef6c326cf
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SHA512
862ec683fbf1c9144ea395f15ab496349d34fe97512bb44a992a1913b983c61170b5f1f3c23f84a2f7efd2091a56db1b512527cf83a87fb8ba254dd249b1f6cc
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SSDEEP
6144:e8APz30Enf4KfyAYktAr+nVojxrGlogO/FilXZrLEzm5NTF1bp90G7aI186M3se7:gz3kktAr+nVojxrGlogO/FilXZrLEzmm
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\xkefqtgs = "{732AAAE9-2C4C-4CCD-A092-D7124F9E0B87}" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{732AAAE9-2C4C-4CCD-A092-D7124F9E0B87} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{732AAAE9-2C4C-4CCD-A092-D7124F9E0B87}\InProcServer32\ = "C:\\Windows\\xkefqtgs.dll" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{732AAAE9-2C4C-4CCD-A092-D7124F9E0B87}\InProcServer32 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2984 wrote to memory of 2672 2984 rundll32.exe 30 PID 2984 wrote to memory of 2672 2984 rundll32.exe 30 PID 2984 wrote to memory of 2672 2984 rundll32.exe 30 PID 2984 wrote to memory of 2672 2984 rundll32.exe 30 PID 2984 wrote to memory of 2672 2984 rundll32.exe 30 PID 2984 wrote to memory of 2672 2984 rundll32.exe 30 PID 2984 wrote to memory of 2672 2984 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\edd4fe4fddb39e50adb4025cfec64a3c_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\edd4fe4fddb39e50adb4025cfec64a3c_JaffaCakes118.dll,#12⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2672
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