Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15-05-2021 15:58
Static task
static1
Behavioral task
behavioral1
Sample
3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe
Resource
win10v20210408
General
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Target
3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe
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Size
2.2MB
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MD5
959bc5f8599a393677fb1f97e98abdc0
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SHA1
3ae6020736489347c6ef4d0c187686b10b811c68
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SHA256
3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08
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SHA512
8e4d959ba8d31a0bd7df0012d60e147d50923d1aee8b1a1813f7207196469f025343c7a406fea1617b8c48d6a8e92309c93ce83e5515b56081b437f48bd6b2f9
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 500 tasksche.exe -
Drops file in System32 directory 5 IoCs
Processes:
3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe -
Drops file in Windows directory 3 IoCs
Processes:
3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exetasksche.exedescription ioc process File created C:\WINDOWS\tasksche.exe 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe File created C:\Windows\__tmp_rar_sfx_access_check_259329906 tasksche.exe File created C:\Windows\eee.exe tasksche.exe -
Modifies data under HKEY_USERS 8 IoCs
Processes:
3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exedescription pid process target process PID 656 wrote to memory of 500 656 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe tasksche.exe PID 656 wrote to memory of 500 656 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe tasksche.exe PID 656 wrote to memory of 500 656 3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe tasksche.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe"C:\Users\Admin\AppData\Local\Temp\3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
- Drops file in Windows directory
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C:\Users\Admin\AppData\Local\Temp\3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.exeC:\Users\Admin\AppData\Local\Temp\3cc3123a3c419ec7c2a93c356c752baf42fd2e6e0400a1cd1da990be8eb65a08.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
b19741df9577126cd47234b7763b3689
SHA10df122b611ec0ab068f9d73fb30c24660a96c480
SHA25648712ca6a9a8ba2b44b07b698474b0a51b899d97c307042f3e143d76d9acf29e
SHA512d4182c66444ff212609ca7c68c6bdf765611ed9b8645d865785a171efb98633356df921598af824ccc49ef2970065503b1d86b7fba366335ced7e3309af0f90a
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C:\Windows\tasksche.exeMD5
b19741df9577126cd47234b7763b3689
SHA10df122b611ec0ab068f9d73fb30c24660a96c480
SHA25648712ca6a9a8ba2b44b07b698474b0a51b899d97c307042f3e143d76d9acf29e
SHA512d4182c66444ff212609ca7c68c6bdf765611ed9b8645d865785a171efb98633356df921598af824ccc49ef2970065503b1d86b7fba366335ced7e3309af0f90a
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memory/500-114-0x0000000000000000-mapping.dmp