Analysis
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max time kernel
151s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-08-2022 19:39
Static task
static1
Behavioral task
behavioral1
Sample
b4669412e1ba3302f3f13dcae12fe951.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b4669412e1ba3302f3f13dcae12fe951.exe
Resource
win10v2004-20220812-en
General
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Target
b4669412e1ba3302f3f13dcae12fe951.exe
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Size
3.6MB
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MD5
b4669412e1ba3302f3f13dcae12fe951
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SHA1
d646fcb343556c377a066fdf15ea0ada0173f47b
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SHA256
32bbd9ab891d5095e78c93d99481fdecfd59b6cc85134994f7c9495771594e4b
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SHA512
9ee92b5e7e102fe52a10dfec2988eb5b3f037fd5ce889f305f77ac63f7d47c282a91824cc7440ab06b89e01cee624fad247bf2b1f6e9ff4ca1ab63fc3f892a09
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SSDEEP
49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SA:XDqPoBhz1aRxcSUDk36SA
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (1306) 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 1000 tasksche.exe -
Drops file in System32 directory 1 IoCs
Processes:
b4669412e1ba3302f3f13dcae12fe951.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat b4669412e1ba3302f3f13dcae12fe951.exe -
Drops file in Windows directory 1 IoCs
Processes:
b4669412e1ba3302f3f13dcae12fe951.exedescription ioc process File created C:\WINDOWS\tasksche.exe b4669412e1ba3302f3f13dcae12fe951.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
b4669412e1ba3302f3f13dcae12fe951.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections b4669412e1ba3302f3f13dcae12fe951.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 b4669412e1ba3302f3f13dcae12fe951.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b4669412e1ba3302f3f13dcae12fe951.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b4669412e1ba3302f3f13dcae12fe951.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BAFCD00D-ACC2-436F-97CF-03274231C86B}\WpadDecisionTime = 40fbd91228b7d801 b4669412e1ba3302f3f13dcae12fe951.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BAFCD00D-ACC2-436F-97CF-03274231C86B}\WpadNetworkName = "Network 2" b4669412e1ba3302f3f13dcae12fe951.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-d3-79-9a-24-f6\WpadDecisionTime = 40fbd91228b7d801 b4669412e1ba3302f3f13dcae12fe951.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings b4669412e1ba3302f3f13dcae12fe951.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0038000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 b4669412e1ba3302f3f13dcae12fe951.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-d3-79-9a-24-f6\WpadDecisionReason = "1" b4669412e1ba3302f3f13dcae12fe951.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 b4669412e1ba3302f3f13dcae12fe951.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b4669412e1ba3302f3f13dcae12fe951.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" b4669412e1ba3302f3f13dcae12fe951.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad b4669412e1ba3302f3f13dcae12fe951.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BAFCD00D-ACC2-436F-97CF-03274231C86B}\WpadDecisionReason = "1" b4669412e1ba3302f3f13dcae12fe951.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-d3-79-9a-24-f6 b4669412e1ba3302f3f13dcae12fe951.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BAFCD00D-ACC2-436F-97CF-03274231C86B}\36-d3-79-9a-24-f6 b4669412e1ba3302f3f13dcae12fe951.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-d3-79-9a-24-f6\WpadDecision = "0" b4669412e1ba3302f3f13dcae12fe951.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" b4669412e1ba3302f3f13dcae12fe951.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" b4669412e1ba3302f3f13dcae12fe951.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b4669412e1ba3302f3f13dcae12fe951.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BAFCD00D-ACC2-436F-97CF-03274231C86B} b4669412e1ba3302f3f13dcae12fe951.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BAFCD00D-ACC2-436F-97CF-03274231C86B}\WpadDecision = "0" b4669412e1ba3302f3f13dcae12fe951.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings b4669412e1ba3302f3f13dcae12fe951.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b4669412e1ba3302f3f13dcae12fe951.exe"C:\Users\Admin\AppData\Local\Temp\b4669412e1ba3302f3f13dcae12fe951.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\b4669412e1ba3302f3f13dcae12fe951.exeC:\Users\Admin\AppData\Local\Temp\b4669412e1ba3302f3f13dcae12fe951.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\tasksche.exeFilesize
3.4MB
MD5b872536855eed61f8dcc1558f52ba92a
SHA17a97b826b4b608e65eb2631fc0bb744f07557b70
SHA2564cf6b3c3df81a469651b5ddaadf3d5dfcb3ea46758412ca4ccf7bac50340c130
SHA5122547e3a35c9db708ef940ecbfc2f04d7890cd54aabe123538b8fae9c9d277e9cee61664954006b43396a3d70ba1b0399d36ad3b3b515b27eda0e45f21e78feff
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memory/1980-54-0x0000000075861000-0x0000000075863000-memory.dmpFilesize
8KB