Analysis
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max time kernel
150s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
03-07-2024 19:54
Behavioral task
behavioral1
Sample
238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe
Resource
win10v2004-20240611-en
General
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Target
238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe
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Size
990KB
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MD5
238fa0a3bb9d250352fdb0eec24c1575
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SHA1
b662cabeb6e6daee908067c9cc113bc4e69b3775
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SHA256
3eb856460514cf7183108ee23ef08d4f315e998b4aed0363535e2f68d2406dd1
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SHA512
ae1f3da725480659ac52471132386a95b7537a623632e07d7d26b07e35b460ccc01a1429455266dc8de9cc618a677060bd718ff98029d7bfe0907674965be437
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SSDEEP
12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27QitjK:r5sJo6YrFUiyAak11LtjK
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3580 svchest425075242507520.exe -
resource yara_rule behavioral2/memory/1656-0-0x0000000000400000-0x0000000000597000-memory.dmp upx behavioral2/memory/1656-1-0x0000000000400000-0x0000000000597000-memory.dmp upx behavioral2/files/0x000a0000000233df-9.dat upx behavioral2/memory/3580-11-0x0000000000400000-0x0000000000597000-memory.dmp upx behavioral2/memory/3580-13-0x0000000000400000-0x0000000000597000-memory.dmp upx behavioral2/memory/3580-10-0x0000000000400000-0x0000000000597000-memory.dmp upx behavioral2/memory/1656-14-0x0000000000400000-0x0000000000597000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe" 238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1656 238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe 3580 svchest425075242507520.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created \??\c:\Windows\BJ.exe 238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe File opened for modification \??\c:\Windows\BJ.exe 238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe File created \??\c:\Windows\svchest425075242507520.exe 238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe File opened for modification \??\c:\Windows\svchest425075242507520.exe 238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1656 wrote to memory of 3580 1656 238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe 83 PID 1656 wrote to memory of 3580 1656 238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe 83 PID 1656 wrote to memory of 3580 1656 238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\238fa0a3bb9d250352fdb0eec24c1575_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1656 -
\??\c:\Windows\svchest425075242507520.exec:\Windows\svchest425075242507520.exe2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3580
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
990KB
MD5238fa0a3bb9d250352fdb0eec24c1575
SHA1b662cabeb6e6daee908067c9cc113bc4e69b3775
SHA2563eb856460514cf7183108ee23ef08d4f315e998b4aed0363535e2f68d2406dd1
SHA512ae1f3da725480659ac52471132386a95b7537a623632e07d7d26b07e35b460ccc01a1429455266dc8de9cc618a677060bd718ff98029d7bfe0907674965be437