Analysis
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max time kernel
125s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27/06/2024, 13:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe
Resource
win7-20240419-en
3 signatures
150 seconds
General
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Target
1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe
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Size
120KB
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MD5
1626d4eb8660398cf0db8825bd5d7397
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SHA1
56171b38ff039b6086ae415067c514a5d6cac787
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SHA256
6b114d9dff993d467183b0d5480558a18d3eeb234ab6dc72afb6a5d1549a28ee
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SHA512
08909d9979404208fb8a4fbee49bb4466a0c61e031b6f3d750c083d28d94e54df298f8095e0bb140eb17fd00b7fa40538a07f03c34b227182013c2ea0b70cb4b
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SSDEEP
1536:5lMA8HwucgLBJGkG2YwoeNX1FmcnuFcXHPK:6HjPab2XNX14cu+XS
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{00009E9F-DDD7-AA59-AA7D-AA4B7D6BE000} 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\mscorews.dll 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe -
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00009E9F-DDD7-AA59-AA7D-AA4B7D6BE000} 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00009E9F-DDD7-AA59-AA7D-AA4B7D6BE000}\TypeLib\ 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00009E9F-DDD7-AA59-AA7D-AA4B7D6BE000}\ = "mscorews" 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00009E9F-DDD7-AA59-AA7D-AA4B7D6BE000}\InprocServer32 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00009E9F-DDD7-AA59-AA7D-AA4B7D6BE000}\InprocServer32\ = "C:\\Windows\\SysWow64\\mscorews.dll" 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00009E9F-DDD7-AA59-AA7D-AA4B7D6BE000}\InprocServer32\ThreadingModel = "Apartment" 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00009E9F-DDD7-AA59-AA7D-AA4B7D6BE000}\TypeLib 1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1626d4eb8660398cf0db8825bd5d7397_JaffaCakes118.exe"1⤵
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
PID:4496
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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=1324,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4320 /prefetch:81⤵PID:3140