Analysis
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max time kernel
124s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
18-04-2024 10:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe
Resource
win7-20240221-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe
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Size
72KB
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MD5
f7ca099d8de4df09a648737f578425d3
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SHA1
8551f2603ae51a799cbc4dd54b474ebf005fbe2f
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SHA256
bdf6f44b5c4d82220997886c4fd2d61a2448cd8f1cb525dde5d3e22efb0c6c5a
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SHA512
a5d22bd30acd34ad7edf9b550a0f7969e1df286111be13ed1ca790edd828209df8976234e07578e75f4efdf616f0ab7d674cf3e71ad0697caa1ff17bd5931f2c
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SSDEEP
1536:ET1DkMH5M2nh+4yVNtcbc0B/LA+O8mcAw+Xu5gCikFPM:W1wMZMCEsc0B/LA+O8mcAwNJPM
Score
7/10
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe %1 %*" f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe File created C:\Windows\SysWOW64\f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 explorer.exe -
Modifies registry class 36 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe %1 %*" f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 4e0031000000000092584f52100054656d7000003a0009000400efbe8c584a5c92584f522e0000009de101000000010000000000000000000000000000003c372101540065006d007000000014000000 explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 50003100000000008c58e963100041646d696e003c0009000400efbe8c584a5c925854522e0000007ee10100000001000000000000000000000000000000424b0701410064006d0069006e00000014000000 explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\NodeSlot = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 56003100000000008c584a5c12004170704461746100400009000400efbe8c584a5c925854522e00000089e101000000010000000000000000000000000000001c9fee004100700070004400610074006100000016000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 78003100000000008c584a5c1100557365727300640009000400efbe874f7748925854522e000000c70500000000010000000000000000003a00000000009877060155007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 50003100000000008c58116410004c6f63616c003c0009000400efbe8c584a5c925854522e0000009ce101000000010000000000000000000000000000006af924014c006f00630061006c00000014000000 explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 404 explorer.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1496 f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe 404 explorer.exe 404 explorer.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1496 wrote to memory of 4192 1496 f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe 91 PID 1496 wrote to memory of 4192 1496 f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe 91 PID 1496 wrote to memory of 4192 1496 f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f7ca099d8de4df09a648737f578425d3_JaffaCakes118.exe"1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Windows\SysWOW64\explorer.exeexplorer.exe C:\Users\Admin\AppData\Local\Temp2⤵PID:4192
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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=3732,i,4410927054363474912,1110143490611443301,262144 --variations-seed-version --mojo-platform-channel-handle=4332 /prefetch:81⤵PID:1684
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:404
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:988