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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
06/07/2024, 06:11
Static task
static1
Behavioral task
behavioral1
Sample
27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe
Resource
win10v2004-20240704-en
General
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Target
27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe
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Size
424KB
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MD5
27828339c7f7fc57a8e53d44383c1e90
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SHA1
1a881f8cc3ecbbf65d0723a47b2494f8f0446ebb
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SHA256
1eb52597ea1bd3206b81cb784cc41f84dd5235cfb4bb9b556031710170f2fa21
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SHA512
92ae2e62c509bc5c4b40e984c9298f20ae6d3aa43b3831b38170c2e990fede00a8bcbc18064097d70c6d7b5a94fd734bb441894b56334732f300ed339b01458d
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SSDEEP
12288:bvPfQ2Miwo01Yqg81DZWQl10RuLCqJY2Rye:rXQ1lH32RMCy0e
Malware Config
Signatures
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Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe File created C:\Windows\assembly\Desktop.ini 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe File created C:\Windows\assembly\Desktop.ini 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe File opened for modification C:\Windows\assembly\Desktop.ini 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dw20.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeBackupPrivilege 3048 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe Token: SeSecurityPrivilege 3048 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe Token: SeSecurityPrivilege 3048 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe Token: SeRestorePrivilege 2324 dw20.exe Token: SeBackupPrivilege 2324 dw20.exe Token: SeBackupPrivilege 2324 dw20.exe Token: SeBackupPrivilege 2324 dw20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3048 wrote to memory of 2324 3048 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe 85 PID 3048 wrote to memory of 2324 3048 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe 85 PID 3048 wrote to memory of 2324 3048 27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\27828339c7f7fc57a8e53d44383c1e90_JaffaCakes118.exe"1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exedw20.exe -x -s 10362⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:2324
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