Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
19-07-2024 11:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe
Resource
win7-20240705-en
8 signatures
150 seconds
General
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Target
5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe
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Size
56KB
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MD5
5bbdc3c3a415be2a687e0917852a6741
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SHA1
b2ab9df71047cd06e59b5bbb75dd4457122ceb25
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SHA256
bd3844aca4658bc26c5e1f8cdbe680e1be2d5ad9cb632e26ac016f1db353ddbe
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SHA512
f8354584ddd0ae442a9313d5dd27a7e790a88479dd70faa31cab69be933bbb6995812048b0e434285a82671783eb2685268ab67e658c809a2db86de1e835c07f
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SSDEEP
1536:ChaVbgQk6DqbjQBrZV8mLuFsLxFpYFvTUE:CDQk6DojQBtVisL3pYFbUE
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" vbc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run vbc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" vbc.exe Key created \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run vbc.exe -
resource yara_rule behavioral2/memory/1788-4-0x0000000000400000-0x0000000000420000-memory.dmp upx behavioral2/memory/1788-7-0x0000000000400000-0x0000000000420000-memory.dmp upx behavioral2/memory/1788-8-0x0000000000400000-0x0000000000420000-memory.dmp upx behavioral2/memory/1788-14-0x0000000000400000-0x0000000000420000-memory.dmp upx -
Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winni.exe = "C:\\Users\\Admin\\AppData\\Roaming\\windowsupdate.exe" 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" vbc.exe Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3O9WCWVEA1K5 = "C:\\Users\\Admin\\AppData\\Roaming\\8CF7IRKT.exe" vbc.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3468 set thread context of 1788 3468 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe 83 -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1788 vbc.exe 1788 vbc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3468 wrote to memory of 1788 3468 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe 83 PID 3468 wrote to memory of 1788 3468 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe 83 PID 3468 wrote to memory of 1788 3468 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe 83 PID 3468 wrote to memory of 1788 3468 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe 83 PID 3468 wrote to memory of 1788 3468 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe 83 PID 3468 wrote to memory of 1788 3468 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe 83 PID 3468 wrote to memory of 1788 3468 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe 83 PID 3468 wrote to memory of 1788 3468 5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5bbdc3c3a415be2a687e0917852a6741_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3468 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe2⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:1788
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