Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15-05-2021 02:01
Static task
static1
Behavioral task
behavioral1
Sample
bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe
Resource
win10v20210408
General
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Target
bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe
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Size
3.6MB
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MD5
1b050ebe031393a42ee9538199419589
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SHA1
bde576ee3b9b90cfb261d4e13677dc24d526e7f2
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SHA256
bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26
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SHA512
284396f7da48830750342eeda2439428152946c727a1c4da4af203e9006e570e7d8f11906b636f3cbf5af790a26a54cb6d7d44583bd0e89fe6b878cd5afb9409
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Executes dropped EXE 1 IoCs
Processes:
tasksche.exepid process 2900 tasksche.exe -
Drops file in System32 directory 5 IoCs
Processes:
bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe -
Drops file in Windows directory 1 IoCs
Processes:
bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exedescription ioc process File created C:\WINDOWS\tasksche.exe bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe -
Modifies data under HKEY_USERS 8 IoCs
Processes:
bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe"C:\Users\Admin\AppData\Local\Temp\bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe"1⤵
- Drops file in Windows directory
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C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exeC:\Users\Admin\AppData\Local\Temp\bbf798ec1223e2b20f0d646682aeb90e02f1f7b1b9b7ad5d430843f38a7e8f26.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Windows\tasksche.exeMD5
0be1393c5d427ee17e120e026b79f144
SHA16b6b72479cd2cb26b664d5c7e76d5f103b4eb8ae
SHA25661bcd56d40e68126c3e24b5e067730ebead13fcc1ae0b344a63fc42624102c3a
SHA512179cfdb9bb52b6ed977cb3e992a0b2d2acc7ee37ce560f7e68c9358e2c6cbbb4d45f35751a940fb86da7906a7fc132d50ffee0d6672a1d592a0c74bc0f7d3182