Analysis
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max time kernel
140s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
23-06-2024 01:05
Behavioral task
behavioral1
Sample
04af84a30f644482205085fc99d2168c_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
04af84a30f644482205085fc99d2168c_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
04af84a30f644482205085fc99d2168c_JaffaCakes118.exe
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Size
793KB
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MD5
04af84a30f644482205085fc99d2168c
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SHA1
eab05324d5632e7c0665265923f04b4a6ccb92d1
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SHA256
2951824bbbdbee11738877cb83e02c705af9aaa03d8c63aaa68fb63984475bfe
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SHA512
72910d9ac6c81ad0562f694c7404dc7e1c52cf7de7ff0f45ebaa96b8671de6cd702f240f042b4b6f4645ffa5976fda9c378c5fbda86f4e71f3a834f11d15cd8d
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SSDEEP
12288:34hmnqrQBuHQ6Iou5CqYiqmqrrwsNs++VG/WTEOxz+k6:QmnqrFQ6Iouvwpr0sRWTr+k6
Malware Config
Signatures
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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 04af84a30f644482205085fc99d2168c_JaffaCakes118.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\ecMAGrn.sys 04af84a30f644482205085fc99d2168c_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: LoadsDriver 2 IoCs
pid Process 668 Process not Found 668 Process not Found -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2552 04af84a30f644482205085fc99d2168c_JaffaCakes118.exe 2552 04af84a30f644482205085fc99d2168c_JaffaCakes118.exe 2552 04af84a30f644482205085fc99d2168c_JaffaCakes118.exe 2552 04af84a30f644482205085fc99d2168c_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\04af84a30f644482205085fc99d2168c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\04af84a30f644482205085fc99d2168c_JaffaCakes118.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:2552
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4032 /prefetch:81⤵PID:3704