Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
10-10-2022 11:24
Static task
static1
Behavioral task
behavioral1
Sample
bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
Resource
win10v2004-20220901-en
General
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Target
bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
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Size
3.6MB
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MD5
797d5d31c4e6c1accb2cbfddec8d66b9
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SHA1
dd5d04b01214dffdd75c575eefd342026c66a39d
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SHA256
bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd
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SHA512
ec26bd4120474d5a996a61c202befb548b5add6ac933986f6a992d050f00ccc3ebe49d19dc6946479da5605067df7b02f26f56e64855b029721f8789ae563e42
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SSDEEP
49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9ZI:yDqPoBhz1aRxcSUDk36SAEdhvxWa9ZI
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (1244) 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 912 tasksche.exe -
Drops file in System32 directory 1 IoCs
Processes:
bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe -
Drops file in Windows directory 1 IoCs
Processes:
bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exedescription ioc process File created C:\WINDOWS\tasksche.exe bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69FD3400-29A8-4165-ADDC-06CAEE54FA39} bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69FD3400-29A8-4165-ADDC-06CAEE54FA39}\WpadDecisionReason = "1" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69FD3400-29A8-4165-ADDC-06CAEE54FA39}\WpadDecisionTime = a062c999abdcd801 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-d5-39-95-6a-87\WpadDecisionReason = "1" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69FD3400-29A8-4165-ADDC-06CAEE54FA39}\WpadDecision = "0" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69FD3400-29A8-4165-ADDC-06CAEE54FA39}\WpadNetworkName = "Network 2" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-d5-39-95-6a-87\WpadDecision = "0" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-d5-39-95-6a-87 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{69FD3400-29A8-4165-ADDC-06CAEE54FA39}\fa-d5-39-95-6a-87 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-d5-39-95-6a-87\WpadDecisionTime = a062c999abdcd801 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exe"C:\Users\Admin\AppData\Local\Temp\bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.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\bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.exeC:\Users\Admin\AppData\Local\Temp\bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd.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
MD504af554ac498ed9e1353a8751bee6001
SHA1077c84f26b471c1b0075490d89fdfc5de6f7b9af
SHA25684b63d5d32bdbc8570257cbd5592c37626c1808a662ad70ae8972a75b4c61158
SHA5129fb261d4f2cedd26934df9f15f9044c22beaecbe109646fd0604b615344a9be124598018844b18b4a6e279df2431dba0158c9cf566036ecbbd3681e6e97e866a
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memory/1100-54-0x0000000074AD1000-0x0000000074AD3000-memory.dmpFilesize
8KB