Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
01/10/2024, 03:27
Static task
static1
Behavioral task
behavioral1
Sample
0433c4b9b1a952ee391d83571f5cb8b1_JaffaCakes118.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
0433c4b9b1a952ee391d83571f5cb8b1_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
0433c4b9b1a952ee391d83571f5cb8b1_JaffaCakes118.dll
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Size
236KB
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MD5
0433c4b9b1a952ee391d83571f5cb8b1
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SHA1
01877951634796fb2d75f778e8c902cdb719b7ba
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SHA256
665d2e07e4e4af150fd1cbb8033726353a9a70c2c9527d173b176bc197b057f0
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SHA512
e8db29f0bbbe6e0c1c3a14caa1690de0b8a4b2d7597ef856ad882c5fc559c9e2a4a460ec95c9482ca5ca7136d83de1562a98aa31d17901b50e73edf88ae345f0
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SSDEEP
1536:OpXh9PIep8NPkrB0+KH5bHnIQhqRh2HgB1SgXSHd5lfSw62k/G0G+owkRsUKP:+hdLp2Mrc5bH1SIgB+HXgwHhwkBe
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\kkm = "{cea57968-462d-9b72-573e-462df1e00bab}" rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 288 rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\xxz.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\xxz.dll rundll32.exe File created C:\Windows\SysWOW64\ffh.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\ffh.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\{cea57968-462d-9b72-573e-462df1e00bab} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{cea57968-462d-9b72-573e-462df1e00bab}\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{cea57968-462d-9b72-573e-462df1e00bab}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{cea57968-462d-9b72-573e-462df1e00bab}\InprocServer32\ = "C:\\Windows\\SysWow64\\ffh.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{cea57968-462d-9b72-573e-462df1e00bab}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 288 rundll32.exe 288 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 288 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 288 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1948 wrote to memory of 288 1948 rundll32.exe 30 PID 1948 wrote to memory of 288 1948 rundll32.exe 30 PID 1948 wrote to memory of 288 1948 rundll32.exe 30 PID 1948 wrote to memory of 288 1948 rundll32.exe 30 PID 1948 wrote to memory of 288 1948 rundll32.exe 30 PID 1948 wrote to memory of 288 1948 rundll32.exe 30 PID 1948 wrote to memory of 288 1948 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0433c4b9b1a952ee391d83571f5cb8b1_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0433c4b9b1a952ee391d83571f5cb8b1_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:288
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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