Analysis
- 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
10/10/2022, 11:24
Static task
static1
Behavioral task
behavioral1
Sample
d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7.dll
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7.dll
Resource
win10v2004-20220901-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7.dll
- Size 5.0MB
- Sample221010-nhp8csbfb7
- SHA256 d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7
- MD5 64f90ae0b16ad69df763d4172bf7b121
- SHA1 cd13b94c91bcc035464c28ca953b1fca990f59d5
- SHA512 4d3987cf1e8f6d19f9d7c2009a579deb4793bba89fa12087a865ab4638b20183068520e656d0573974fd8ff8cc6b555f1b6289251d0864852412b070590b88fe
- SSDEEP 49152:SnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9Z:+DqPoBhz1aRxcSUDk36SAEdhvxWa9Z
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (1261) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 3 IoCs
pid Process 316 mssecsvc.exe 984 mssecsvc.exe 1712 tasksche.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat mssecsvc.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\WINDOWS\mssecsvc.exe rundll32.exe File created C:\WINDOWS\tasksche.exe mssecsvc.exe - Modifies data under HKEY_USERS 24 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B8C6C4D1-9AC0-4562-B9AB-A926925356F9}\WpadDecision = "0" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-a6-83-9c-54-3e mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B8C6C4D1-9AC0-4562-B9AB-A926925356F9} mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B8C6C4D1-9AC0-4562-B9AB-A926925356F9}\WpadDecisionReason = "1" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B8C6C4D1-9AC0-4562-B9AB-A926925356F9}\WpadNetworkName = "Network 3" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B8C6C4D1-9AC0-4562-B9AB-A926925356F9}\d6-a6-83-9c-54-3e mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-a6-83-9c-54-3e\WpadDecisionReason = "1" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-a6-83-9c-54-3e\WpadDecisionTime = f0ec709fabdcd801 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0084000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B8C6C4D1-9AC0-4562-B9AB-A926925356F9}\WpadDecisionTime = f0ec709fabdcd801 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-a6-83-9c-54-3e\WpadDecision = "0" mssecsvc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1572 wrote to memory of 304 1572 rundll32.exe 27 PID 1572 wrote to memory of 304 1572 rundll32.exe 27 PID 1572 wrote to memory of 304 1572 rundll32.exe 27 PID 1572 wrote to memory of 304 1572 rundll32.exe 27 PID 1572 wrote to memory of 304 1572 rundll32.exe 27 PID 1572 wrote to memory of 304 1572 rundll32.exe 27 PID 1572 wrote to memory of 304 1572 rundll32.exe 27 PID 304 wrote to memory of 316 304 rundll32.exe 28 PID 304 wrote to memory of 316 304 rundll32.exe 28 PID 304 wrote to memory of 316 304 rundll32.exe 28 PID 304 wrote to memory of 316 304 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1572 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d085c477ebf60d0deb312b8a1e3aa08a04c0a61acb6f8085463e3f230314edc7.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:304 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:316 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:1712
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C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe -m security1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:984
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\WINDOWS\mssecsvc.exe
- Size 3.6MB
- SHA256 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd
- MD5 797d5d31c4e6c1accb2cbfddec8d66b9
- SHA1 dd5d04b01214dffdd75c575eefd342026c66a39d
- SHA512 ec26bd4120474d5a996a61c202befb548b5add6ac933986f6a992d050f00ccc3ebe49d19dc6946479da5605067df7b02f26f56e64855b029721f8789ae563e42
- SSDEEP 49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9ZI:yDqPoBhz1aRxcSUDk36SAEdhvxWa9ZI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd
- MD5 797d5d31c4e6c1accb2cbfddec8d66b9
- SHA1 dd5d04b01214dffdd75c575eefd342026c66a39d
- SHA512 ec26bd4120474d5a996a61c202befb548b5add6ac933986f6a992d050f00ccc3ebe49d19dc6946479da5605067df7b02f26f56e64855b029721f8789ae563e42
- SSDEEP 49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9ZI:yDqPoBhz1aRxcSUDk36SAEdhvxWa9ZI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 bbc4e7f739d9e7f38a343fc018bf5df9d654ed1a52dcaf00b6cc6cfdc8b18cbd
- MD5 797d5d31c4e6c1accb2cbfddec8d66b9
- SHA1 dd5d04b01214dffdd75c575eefd342026c66a39d
- SHA512 ec26bd4120474d5a996a61c202befb548b5add6ac933986f6a992d050f00ccc3ebe49d19dc6946479da5605067df7b02f26f56e64855b029721f8789ae563e42
- SSDEEP 49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9ZI:yDqPoBhz1aRxcSUDk36SAEdhvxWa9ZI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\tasksche.exe
- Size 3.4MB
- SHA256 84b63d5d32bdbc8570257cbd5592c37626c1808a662ad70ae8972a75b4c61158
- MD5 04af554ac498ed9e1353a8751bee6001
- SHA1 077c84f26b471c1b0075490d89fdfc5de6f7b9af
- SHA512 9fb261d4f2cedd26934df9f15f9044c22beaecbe109646fd0604b615344a9be124598018844b18b4a6e279df2431dba0158c9cf566036ecbbd3681e6e97e866a
- SSDEEP 49152:nQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9Zj:QqPoBhz1aRxcSUDk36SAEdhvxWa9Zj
- MD5 SHA1 SHA512 SSDEEP