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Analysis
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max time kernel
119s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30/09/2024, 22:25
Static task
static1
Behavioral task
behavioral1
Sample
0379d6cc88284127246e00591ab6debd_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0379d6cc88284127246e00591ab6debd_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
0379d6cc88284127246e00591ab6debd_JaffaCakes118.dll
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Size
236KB
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MD5
0379d6cc88284127246e00591ab6debd
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SHA1
5152b8308997b95b6bff020219cd8500d13fb7c7
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SHA256
9fd3a081d236c52c6711425dd98d4418131baf072b89a72fcf6a923baaf464a4
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SHA512
ff622e9295f07c5872b335a5faa11aa220fddc1c0f3d760a8945dde66ac4565e2f45c85c35bb0149d0dfc10b9b9945252a45cb6dd3799dc7c3b297592ed941d9
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SSDEEP
1536:OpXh9PIep8NPkrB0+KH5bHnIQhqRh2HgB1SgXSHd5lfSw62k/G0G+owkRsUKc:+hdLp2Mrc5bH1SIgB+HXgwHhwkBN
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\bzr = "{ddf2d418-557a-aacf-668b-557a5c908aee}" rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 2368 rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\wum.dll rundll32.exe File created C:\Windows\SysWOW64\ome.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\ome.dll rundll32.exe File created C:\Windows\SysWOW64\wum.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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ddf2d418-557a-aacf-668b-557a5c908aee} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ddf2d418-557a-aacf-668b-557a5c908aee}\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ddf2d418-557a-aacf-668b-557a5c908aee}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ddf2d418-557a-aacf-668b-557a5c908aee}\InprocServer32\ = "C:\\Windows\\SysWow64\\wum.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ddf2d418-557a-aacf-668b-557a5c908aee}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2368 rundll32.exe 2368 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2368 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2368 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2560 wrote to memory of 2368 2560 rundll32.exe 31 PID 2560 wrote to memory of 2368 2560 rundll32.exe 31 PID 2560 wrote to memory of 2368 2560 rundll32.exe 31 PID 2560 wrote to memory of 2368 2560 rundll32.exe 31 PID 2560 wrote to memory of 2368 2560 rundll32.exe 31 PID 2560 wrote to memory of 2368 2560 rundll32.exe 31 PID 2560 wrote to memory of 2368 2560 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0379d6cc88284127246e00591ab6debd_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0379d6cc88284127246e00591ab6debd_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:2368
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
625KB
MD595e2376b3323f062eb562b8586d0f14a
SHA1453d4c3bf4a489433b593420a37bbffb7749875a
SHA256bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017
SHA512b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d