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Analysis
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max time kernel
141s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
13/06/2024, 23:00
Behavioral task
behavioral1
Sample
a7015320c4047e775152d668debdece9_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
a7015320c4047e775152d668debdece9_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
a7015320c4047e775152d668debdece9_JaffaCakes118.exe
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Size
535KB
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MD5
a7015320c4047e775152d668debdece9
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SHA1
647bf4a9ef1719c2eef7f0e09918593500404207
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SHA256
173ab5865da141299da39baee391591fe751d14caee7dab44678f36073f02d02
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SHA512
92b75208698b19eedffadaafa9a4577e2881bcceb91c8d80f6cccbe46bd89e463c574ab90f51aff879be9f9f02c1775d8893526e5e9aa2c72db5dcb31718d56d
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SSDEEP
12288:+DUVNGasoENo16hU9EICVg7QXU2klEsdhuQ:bVNwP7hU9ELVm7fB
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion a7015320c4047e775152d668debdece9_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2780-0-0x0000000000800000-0x00000000009F1000-memory.dmp upx behavioral1/memory/2780-2-0x0000000000800000-0x00000000009F1000-memory.dmp upx -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 a7015320c4047e775152d668debdece9_JaffaCakes118.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\checkwritepermissions.test a7015320c4047e775152d668debdece9_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2780 a7015320c4047e775152d668debdece9_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a7015320c4047e775152d668debdece9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a7015320c4047e775152d668debdece9_JaffaCakes118.exe"1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
PID:2780