Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
27-09-2024 17:16
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe
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Size
3.6MB
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MD5
83ee3cd01dfdd749d316fd004aa55122
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SHA1
38c5f3fe0e22917ae661064521a015c6e30b9988
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SHA256
1274d5d4bf8854db5a7b501e3485c643e2d3a1878ab43e9aa87b24449255cd9f
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SHA512
f7caf06285c5537442a12025e1d3928146ddc941a8ad0ed5a912e0ddfd4d1e02c44837a424a8d866b268ee34dab6aecfb27f17097afc8c727c89e98356a14568
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SSDEEP
12288:GebLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+DHeQYSUjEXFO:XbLgddQhfdmMSirYbcMNgef0QeQjG
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3281) 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 3860 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 2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4564 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:3860
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C:\Users\Admin\AppData\Local\Temp\2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-09-27_83ee3cd01dfdd749d316fd004aa55122_wannacry.exe -m security1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4744
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD501a5dcd03c4c4d2ea0bfcddc144ad6cc
SHA1f4a6d80529aa04d290e7a3c8ece2cdac0c557d14
SHA256c29bfd9edea91eb949d600e39edb1331bf167b8a6db77cf70a415f8340ffe6ba
SHA5120e5702dd9afd0e430662dde017c7a05a1237ac6decd9ce69260ababb8dd1383056560b77745ef1a76382ef840f0fd53f4082f4f713b3ba06e25bf28ad0c2fd0e