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Analysis
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max time kernel
120s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
01/07/2024, 09:42
Behavioral task
behavioral1
Sample
1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll
Resource
win7-20240611-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll
Resource
win10v2004-20240611-en
3 signatures
150 seconds
General
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Target
1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll
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Size
201KB
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MD5
1acf4fab6a19ed00693b72441af30a7f
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SHA1
68e32d51a141bc7fc814142d68c529417e96216d
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SHA256
aa11215afcb55b957e47d2e94a6406e8fddd807705a0ead7224045a03ad087f2
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SHA512
8848b415df5d3ddf1bc0892ea1c3c0e7e2b0f62c9eba284122bf191ddc324ba04fb9bd6abdd35e22b2d691ae35b074f0dd735831c1bfb63d08c828607b5df494
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SSDEEP
6144:8v4WFBJr17msqV7oaSIQicKOEak5JinAGiMZKamneI:8v4WFBCsENPQdKX4AFM4amx
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1992-0-0x00000000001C0000-0x0000000000247000-memory.dmp upx -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1688 wrote to memory of 1992 1688 regsvr32.exe 28 PID 1688 wrote to memory of 1992 1688 regsvr32.exe 28 PID 1688 wrote to memory of 1992 1688 regsvr32.exe 28 PID 1688 wrote to memory of 1992 1688 regsvr32.exe 28 PID 1688 wrote to memory of 1992 1688 regsvr32.exe 28 PID 1688 wrote to memory of 1992 1688 regsvr32.exe 28 PID 1688 wrote to memory of 1992 1688 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\1acf4fab6a19ed00693b72441af30a7f_JaffaCakes118.dll2⤵
- Modifies registry class
PID:1992
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