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Analysis
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max time kernel
140s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 14:24
Behavioral task
behavioral1
Sample
fa7ecc9bb316c56668cf6dd9bfca3386_JaffaCakes118.dll
Resource
win7-20231129-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
fa7ecc9bb316c56668cf6dd9bfca3386_JaffaCakes118.dll
Resource
win10v2004-20240412-en
5 signatures
150 seconds
General
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Target
fa7ecc9bb316c56668cf6dd9bfca3386_JaffaCakes118.dll
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Size
114KB
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MD5
fa7ecc9bb316c56668cf6dd9bfca3386
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SHA1
498d30af2ebf92a0284d169d21e0e32e9eaed9f3
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SHA256
be2b2c35150ff31fb6ed4cfa5fcab984b84eea3c8f3569f749fd3d30a05d24b6
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SHA512
f3699f307252a618b3ba606b1b51271e2c1c210e228d5c2c0495b86c9ebe5827d13d363776c6e016ec476eae25487fd862a7b0ba9353781eb7d99b80c396e9bb
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SSDEEP
3072:K1aRzyPspsts/4vI0IrcUQHNMxzI0dEHJqQ9KbiexA:KGTstYedIrYtMxz9EHY8eS
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4200-0-0x000000000F000000-0x000000000F03D000-memory.dmp vmprotect -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\vfdh.dll rundll32.exe File created C:\Windows\SysWOW64\dfxh.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\dfxh.dll rundll32.exe File created C:\Windows\SysWOW64\vfdh.dll rundll32.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe 4200 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4200 rundll32.exe Token: SeDebugPrivilege 4200 rundll32.exe Token: SeDebugPrivilege 4200 rundll32.exe Token: SeDebugPrivilege 4200 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3052 wrote to memory of 4200 3052 rundll32.exe 87 PID 3052 wrote to memory of 4200 3052 rundll32.exe 87 PID 3052 wrote to memory of 4200 3052 rundll32.exe 87 PID 4200 wrote to memory of 3404 4200 rundll32.exe 56 PID 4200 wrote to memory of 3404 4200 rundll32.exe 56 PID 4200 wrote to memory of 2148 4200 rundll32.exe 38 PID 4200 wrote to memory of 2148 4200 rundll32.exe 38
Processes
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:2148
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3404
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fa7ecc9bb316c56668cf6dd9bfca3386_JaffaCakes118.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\fa7ecc9bb316c56668cf6dd9bfca3386_JaffaCakes118.dll,#13⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4200
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