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Analysis
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max time kernel
140s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
09/07/2024, 19:45
Static task
static1
Behavioral task
behavioral1
Sample
31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe
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Size
459KB
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MD5
31b9722d0f7b9e0f09d5dc6c2d04fe61
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SHA1
27e0f8785cef87483468bcba42da31abfe6e805a
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SHA256
acb79cc5a928cf5167508d22fba259f0163d5b6a14c77815e38082ac845e373a
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SHA512
4c8ce6ce22d1587b4611ccdeb13588fed556ffe4807e1d2cc757f753438eb63ddb9aa1201c1dcfde909e4f908b3354c3345d2b3c589a3e8758422690eca9a021
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SSDEEP
12288:cG3dvqr2+FVlhlMln0hOVZ2OdIsQUl7F:33VqpruleOVzSwl
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2004 System.exe -
Loads dropped DLL 2 IoCs
pid Process 1732 31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe 1732 31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\system.exe = "C:\\PROGRA~1\\MCI\\System.exe" 31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created \??\c:\Program Files\MCI\System.exe 31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe File opened for modification \??\c:\Program Files\MCI\System.exe 31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2004 1732 31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe 28 PID 1732 wrote to memory of 2004 1732 31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe 28 PID 1732 wrote to memory of 2004 1732 31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe 28 PID 1732 wrote to memory of 2004 1732 31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\31b9722d0f7b9e0f09d5dc6c2d04fe61_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Program Files\Mci\System.exe"C:\Program Files\Mci\System.exe"2⤵
- Executes dropped EXE
PID:2004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
459KB
MD531b9722d0f7b9e0f09d5dc6c2d04fe61
SHA127e0f8785cef87483468bcba42da31abfe6e805a
SHA256acb79cc5a928cf5167508d22fba259f0163d5b6a14c77815e38082ac845e373a
SHA5124c8ce6ce22d1587b4611ccdeb13588fed556ffe4807e1d2cc757f753438eb63ddb9aa1201c1dcfde909e4f908b3354c3345d2b3c589a3e8758422690eca9a021