Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
05-05-2024 10:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe
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Size
5.0MB
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MD5
5a56b911126f794276c2523fb4a172c0
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SHA1
22988e9675083133f4e898f5f6a3eca5fa851b69
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SHA256
a65ce1a1b9d19cdb8c2fd8b8a16a8d80dabede0b4a53b14024863b002c214fc1
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SHA512
bb9ea3234b4f7247053c2ee7e18072ea153050479a4877809f51e09ce18841fee02e89e008d762b6068af237a34e57301fec907588b59ece4797db4705717377
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SSDEEP
12288:GQbLgmluyQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFW:tbLguVQhfdmMSirYbcMNgef0QeQjG/
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3224) 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
Processes:
tasksche.exepid process 1012 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 System32 directory 4 IoCs
Processes:
2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe -
Drops file in Windows directory 1 IoCs
Processes:
2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exedescription ioc process File created C:\WINDOWS\tasksche.exe 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe -
Modifies data under HKEY_USERS 15 IoCs
Processes:
2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe"1⤵
- Drops file in Windows directory
PID:1944 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:1012
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C:\Users\Admin\AppData\Local\Temp\2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-05-05_5a56b911126f794276c2523fb4a172c0_wannacry.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1624
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Windows\tasksche.exeFilesize
3.4MB
MD55b488d09525b7c3cb94cf2b5acc5dba8
SHA1d9a48afcf0092c33e02c6b272978e295cfca01a6
SHA256de5e6337f444de2796267a0f6465e2e4ce62bf60ab192c9bb1894eac4c7bc4f5
SHA512f848247ce714b93e2f2360a34424595e6723c07524507d95c0195ff1780a9ced6097612f84633385e536774d36cc0c97dd41ec14ba10886d98b7250b711523b6