Analysis
- max time kernel
142s - max time network
147s - platform
windows7_x64 - resource
win7-20240419-en - resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system - submitted
29/04/2024, 07:20
Static task
static1
Behavioral task
behavioral1
Sample
071b83d9f4c42b1597ff761301ebafab_JaffaCakes118.html
Resource
win7-20240419-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
071b83d9f4c42b1597ff761301ebafab_JaffaCakes118.html
Resource
win10v2004-20240419-en
windows10-2004-x64
6 signatures
150 seconds
General
- Target 071b83d9f4c42b1597ff761301ebafab_JaffaCakes118.html
- Size 158KB
- Sample240429-h6f2psdf7x
- SHA256 4cf178ba224febfe33bfa4fd295e1d57dc3b56fbc294b110730779495292d41c
- MD5 071b83d9f4c42b1597ff761301ebafab
- SHA1 d9136abc0dbbe919107c3e76e009295583eaaa78
- SHA512 c7dfc7196e8c9a6413a9cc158c01a0f0a1bc45d1bae5d21169a1ba34364e15fea315c408cdb1f91e006533ea83ef8c4caf6c7b75181ef89e6fca454ecc7f66e3
- SSDEEP 3072:iDzbnV7691yfkMY+BES09JXAnyrZalI+YQ:ibVEgsMYod+X3oI+YQ
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 2848 svchost.exe 2504 DesktopLayer.exe - Loads dropped DLL 2 IoCs
pid Process 2828 IEXPLORE.EXE 2848 svchost.exe -
resource yara_rule behavioral1/memory/2848-8-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/files/0x0006000000014525-6.dat upx behavioral1/memory/2504-16-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2504-20-0x0000000000400000-0x000000000042E000-memory.dmp upx - Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxECFE.tmp svchost.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe svchost.exe File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe svchost.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{FD65C421-05F8-11EF-B082-427DDB91FD53} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "420537133" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2504 DesktopLayer.exe 2504 DesktopLayer.exe 2504 DesktopLayer.exe 2504 DesktopLayer.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2372 iexplore.exe 2372 iexplore.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 2372 iexplore.exe 2372 iexplore.exe 2828 IEXPLORE.EXE 2828 IEXPLORE.EXE 2828 IEXPLORE.EXE 2828 IEXPLORE.EXE 2372 iexplore.exe 2372 iexplore.exe 1384 IEXPLORE.EXE 1384 IEXPLORE.EXE 1384 IEXPLORE.EXE 1384 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2372 wrote to memory of 2828 2372 iexplore.exe 28 PID 2372 wrote to memory of 2828 2372 iexplore.exe 28 PID 2372 wrote to memory of 2828 2372 iexplore.exe 28 PID 2372 wrote to memory of 2828 2372 iexplore.exe 28 PID 2828 wrote to memory of 2848 2828 IEXPLORE.EXE 34 PID 2828 wrote to memory of 2848 2828 IEXPLORE.EXE 34 PID 2828 wrote to memory of 2848 2828 IEXPLORE.EXE 34 PID 2828 wrote to memory of 2848 2828 IEXPLORE.EXE 34 PID 2848 wrote to memory of 2504 2848 svchost.exe 35 PID 2848 wrote to memory of 2504 2848 svchost.exe 35 PID 2848 wrote to memory of 2504 2848 svchost.exe 35 PID 2848 wrote to memory of 2504 2848 svchost.exe 35 PID 2504 wrote to memory of 532 2504 DesktopLayer.exe 36 PID 2504 wrote to memory of 532 2504 DesktopLayer.exe 36 PID 2504 wrote to memory of 532 2504 DesktopLayer.exe 36 PID 2504 wrote to memory of 532 2504 DesktopLayer.exe 36 PID 2372 wrote to memory of 1384 2372 iexplore.exe 37 PID 2372 wrote to memory of 1384 2372 iexplore.exe 37 PID 2372 wrote to memory of 1384 2372 iexplore.exe 37 PID 2372 wrote to memory of 1384 2372 iexplore.exe 37
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\071b83d9f4c42b1597ff761301ebafab_JaffaCakes118.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2372 CREDAT:275457 /prefetch:22⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2828 -
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2848 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵PID:532
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2372 CREDAT:275475 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1384
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
- Size 55KB
- SHA256 fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
- MD5 ff5e1f27193ce51eec318714ef038bef
- SHA1 b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
- SHA512 c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a
- SSDEEP 1536:Q+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzE:bROzoTq0+RO7IwnY
- MD5 SHA1 SHA512 SSDEEP