Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
19-06-2024 12:55
Static task
static1
Behavioral task
behavioral1
Sample
07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd.exe
Resource
win10v2004-20240611-en
General
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Target
07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd.exe
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Size
3.6MB
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MD5
d724d8cc6420f06e8a48752f0da11c66
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SHA1
3b669778698972c402f7c149fc844d0ddb3a00e8
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SHA256
07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd
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SHA512
d771d74894e72402bbd016787fb102053678424205644bceec17ee3e7598e3f4aeb59b0f3272b5dbe1d26289f659024520653f57fc1bfe18054ffae4f188aef9
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SSDEEP
98304:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:Z8qPe1Cxcxk3ZAEUadzR8yc4HI
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3260) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 1 IoCs
pid Process 4252 tasksche.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Drops file in Windows directory 1 IoCs
description ioc Process File created C:\WINDOWS\tasksche.exe 07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\Local Settings OpenWith.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4796 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4796 EXCEL.EXE 4796 EXCEL.EXE 4796 EXCEL.EXE 4796 EXCEL.EXE 4796 EXCEL.EXE 4796 EXCEL.EXE 4796 EXCEL.EXE 4796 EXCEL.EXE 4796 EXCEL.EXE 3432 OpenWith.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd.exe"C:\Users\Admin\AppData\Local\Temp\07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd.exe"1⤵
- Drops file in Windows directory
PID:2144 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:4252
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C:\Users\Admin\AppData\Local\Temp\07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd.exeC:\Users\Admin\AppData\Local\Temp\07c44729e2c570b37db695323249474831f5861d45318bf49ccf5d2f5c8ea1cd.exe -m security1⤵PID:752
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {c82192ee-6cb5-4bc0-9ef0-fb818773790a} -Embedding1⤵PID:2444
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Downloads\MergeComplete.xlsx"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4796
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3432
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD57f7ccaa16fb15eb1c7399d422f8363e8
SHA1bd44d0ab543bf814d93b719c24e90d8dd7111234
SHA2562584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd
SHA51283e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7