Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
10-10-2024 23:47
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe
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Size
2.2MB
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MD5
15d8410659fe6da185de97180cbbc78d
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SHA1
57acc5789902311059f6da41c4d42c895f6c5147
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SHA256
1aa4496971bd82e55bb830b7283423487becd1c73d0ea6ce2aceef3cfabb1eb7
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SHA512
6e855ce189e2f71d788021cca26e83f012159a05e989eebc6fc54fc2ee7a79ba657833cbf0334bbbb16d1d5e05e8d2b473a8b7006c7643ac16fc559f3b55518b
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SSDEEP
24576:QbLguriIfEcQdIVUacMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqTPVXmi:QnpEKUacBVQej/1INRx+TSqTdX1
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3272) 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 2740 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 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\RAXXIZF3.txt 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\RAXXIZF3.txt 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\Y44SVJC1.txt 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\Y44SVJC1.txt 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\WINDOWS\tasksche.exe 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe File created C:\Windows\__tmp_rar_sfx_access_check_259419007 tasksche.exe File created C:\Windows\eee.exe tasksche.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasksche.exe -
Modifies data under HKEY_USERS 24 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\WpadNetworkName = "Network 3" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-8f-c9-f1-af-29\WpadDecisionTime = 108ec5d06e1bdb01 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E} 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\WpadDecisionTime = 108ec5d06e1bdb01 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0182000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\WpadDecisionReason = "1" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\WpadDecision = "0" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\e2-8f-c9-f1-af-29 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-8f-c9-f1-af-29\WpadDecisionReason = "1" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-8f-c9-f1-af-29 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-8f-c9-f1-af-29\WpadDecision = "0" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2740 tasksche.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2172 wrote to memory of 2740 2172 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe 31 PID 2172 wrote to memory of 2740 2172 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe 31 PID 2172 wrote to memory of 2740 2172 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe 31 PID 2172 wrote to memory of 2740 2172 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe 31 PID 2172 wrote to memory of 2740 2172 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe 31 PID 2172 wrote to memory of 2740 2172 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe 31 PID 2172 wrote to memory of 2740 2172 2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:2740
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C:\Users\Admin\AppData\Local\Temp\2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-10-10_15d8410659fe6da185de97180cbbc78d_wannacry.exe -m security1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2764
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD52bbd3ea1986a2bb0eec16a23cbcfb775
SHA119a28b540e9c4caa896c0f9775a238fd86c9b7e2
SHA2567d8626c4f4f5865002cc72b23dbbb6e99712864a19d0f0013325393ab625ef4f
SHA512e2956ca558dadee6448618ab8c7bd8917228572a8bc6aba77bc0e42cd41042d40690090aaaeff718268fcc95233ad4546cff30b588e49e8e828f8e6988fbd020