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Analysis
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max time kernel
138s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
19/07/2024, 20:19
Static task
static1
Behavioral task
behavioral1
Sample
5d842f0096e91dfcbaa574032dab1062_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
5d842f0096e91dfcbaa574032dab1062_JaffaCakes118.dll
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Size
22KB
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MD5
5d842f0096e91dfcbaa574032dab1062
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SHA1
e9f2f7433364c8f4b0993251478f0a826269e341
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SHA256
cd83193da72d4a644fa7931182eca640531bd38007a068db795f76b8a7ebde4d
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SHA512
d1844797153e397d5b64a91b488022ca31b4e12045aa42881c24eb86386ce5b5ade69307681bf157580973cb453b2ba058fe8862a8cc4b789330cc7115131cfc
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SSDEEP
384:tyVlNjtU2eESL9pf09rH65DP90yGDQqEvvHQcSVNuzlUZ2kNKFjAh:wVlGL7M6FP9lv4cSuiZ2kkA
Malware Config
Signatures
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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\{14698742-2059-3025-9058-954023874141} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{14698742-2059-3025-9058-954023874141}\ = "jkhxaklo.dll" rundll32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\verclsid.exe rundll32.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14698742-2059-3025-9058-954023874141}\InprocServer32 rundll32.exe 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\{14698742-2059-3025-9058-954023874141} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14698742-2059-3025-9058-954023874141}\InprocServer32\ = "C:\\Windows\\SysWow64\\jkhxaklo.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{14698742-2059-3025-9058-954023874141}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1968 rundll32.exe 1968 rundll32.exe 1968 rundll32.exe 1968 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1968 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3252 wrote to memory of 1968 3252 rundll32.exe 84 PID 3252 wrote to memory of 1968 3252 rundll32.exe 84 PID 3252 wrote to memory of 1968 3252 rundll32.exe 84 PID 1968 wrote to memory of 4464 1968 rundll32.exe 86 PID 1968 wrote to memory of 4464 1968 rundll32.exe 86 PID 1968 wrote to memory of 4464 1968 rundll32.exe 86
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5d842f0096e91dfcbaa574032dab1062_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5d842f0096e91dfcbaa574032dab1062_JaffaCakes118.dll,#12⤵
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~DFD240620484.bat3⤵PID:4464
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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