Analysis
- max time kernel
151s - max time network
153s - platform
windows7_x64 - resource
win7-20220718-en - resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system - submitted
20/07/2022, 01:04
Static task
static1
Behavioral task
behavioral1
Sample
d3df97698f6ac52964481865c72ef24a.dll
Resource
win7-20220718-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
d3df97698f6ac52964481865c72ef24a.dll
Resource
win10v2004-20220718-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target d3df97698f6ac52964481865c72ef24a.dll
- Size 5.0MB
- Sample220720-beydcaadhr
- SHA256 bfb00de090581b449c36d04734aaa3d62802fb1bee1d6a4c614cb0d58d1143fb
- MD5 d3df97698f6ac52964481865c72ef24a
- SHA1 9a997ea429f0b6da3342b70dee614586a0dbc428
- SHA512 eeb26539ad9ba91206c794bd0a1b12a858d46d0c04f38545155a449797932f2697f6152057392e9c2ce0afad2998defc6ab2d169ee94f0c92f176f5c2b44680c
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (982) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 2 IoCs
pid Process 1956 mssecsvc.exe 1072 mssecsvc.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\ZoneMap\AutoDetect = "1" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0}\WpadDecision = "0" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0}\WpadNetworkName = "Network 3" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 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 Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0} mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-fd-da-49-6e-f8\WpadDecisionReason = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-fd-da-49-6e-f8\WpadDecision = "0" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0}\WpadDecisionReason = "1" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-fd-da-49-6e-f8 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0}\ca-fd-da-49-6e-f8 mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-fd-da-49-6e-f8\WpadDecisionTime = 70d72d66e59bd801 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0}\WpadDecisionTime = 70d72d66e59bd801 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\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 976 wrote to memory of 1908 976 rundll32.exe 27 PID 976 wrote to memory of 1908 976 rundll32.exe 27 PID 976 wrote to memory of 1908 976 rundll32.exe 27 PID 976 wrote to memory of 1908 976 rundll32.exe 27 PID 976 wrote to memory of 1908 976 rundll32.exe 27 PID 976 wrote to memory of 1908 976 rundll32.exe 27 PID 976 wrote to memory of 1908 976 rundll32.exe 27 PID 1908 wrote to memory of 1956 1908 rundll32.exe 28 PID 1908 wrote to memory of 1956 1908 rundll32.exe 28 PID 1908 wrote to memory of 1956 1908 rundll32.exe 28 PID 1908 wrote to memory of 1956 1908 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d3df97698f6ac52964481865c72ef24a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d3df97698f6ac52964481865c72ef24a.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1956
-
-
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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:1072
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\WINDOWS\mssecsvc.exe
- Size 3.6MB
- SHA256 489889953eb7164684c072b708da4026ce3cbeabef38622da89e5a507afdd2aa
- MD5 f669c9a546cb823592a7cee9bc0d51aa
- SHA1 c92c2d6aee58e75d825d13964f940b8904e671be
- SHA512 b2a37e37b1b92dd037fe919cec6f15fabdca97b12a54a89c9618f58eed3b1a2855048d27fbb7a87afeacb4851e85596c76c3886dc60ec2f5435c2320f09eaddc
- SSDEEP 49152:XnAQkMlUacBVQejolel3KBHz/hu9OhivP/v:XDknfBhUqaBT/hukhif
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 489889953eb7164684c072b708da4026ce3cbeabef38622da89e5a507afdd2aa
- MD5 f669c9a546cb823592a7cee9bc0d51aa
- SHA1 c92c2d6aee58e75d825d13964f940b8904e671be
- SHA512 b2a37e37b1b92dd037fe919cec6f15fabdca97b12a54a89c9618f58eed3b1a2855048d27fbb7a87afeacb4851e85596c76c3886dc60ec2f5435c2320f09eaddc
- SSDEEP 49152:XnAQkMlUacBVQejolel3KBHz/hu9OhivP/v:XDknfBhUqaBT/hukhif
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 489889953eb7164684c072b708da4026ce3cbeabef38622da89e5a507afdd2aa
- MD5 f669c9a546cb823592a7cee9bc0d51aa
- SHA1 c92c2d6aee58e75d825d13964f940b8904e671be
- SHA512 b2a37e37b1b92dd037fe919cec6f15fabdca97b12a54a89c9618f58eed3b1a2855048d27fbb7a87afeacb4851e85596c76c3886dc60ec2f5435c2320f09eaddc
- SSDEEP 49152:XnAQkMlUacBVQejolel3KBHz/hu9OhivP/v:XDknfBhUqaBT/hukhif
- MD5 SHA1 SHA512 SSDEEP