Analysis
- max time kernel
150s - max time network
154s - platform
windows7_x64 - resource
win7-20220715-en - resource tags
arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system - submitted
20/07/2022, 01:20
Static task
static1
Behavioral task
behavioral1
Sample
0a9138624a09d2bd90e04a78799b35ac.dll
Resource
win7-20220715-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
0a9138624a09d2bd90e04a78799b35ac.dll
Resource
win10v2004-20220718-en
windows10-2004-x64
5 signatures
150 seconds
General
- Target 0a9138624a09d2bd90e04a78799b35ac.dll
- Size 5.0MB
- Sample220720-bp4ywaaae8
- SHA256 48fc9ccb42ec0234df4d4f41db1d0cb1e1fe6aa5e640c28625aa3d73e65d2856
- MD5 0a9138624a09d2bd90e04a78799b35ac
- SHA1 018aa130b119685c358514576ba3ba4d37b95e43
- SHA512 24f7ed2d3a526ebfb1389833d2a7de79b565799c3bde644c67fdda37e0ca831c747d9267922caba4018dc4c16ec7b70825b44652cc69f6801d33b6af84d1958b
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (1313) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 2 IoCs
pid Process 900 mssecsvc.exe 1616 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD5ABDE6-A542-44FB-BBC4-452A0BE1EF0D} mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD5ABDE6-A542-44FB-BBC4-452A0BE1EF0D}\WpadNetworkName = "Network 3" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-d2-28-2d-c7-fb\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\ZoneMap\AutoDetect = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD5ABDE6-A542-44FB-BBC4-452A0BE1EF0D}\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\SavedLegacySettings = 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\{CD5ABDE6-A542-44FB-BBC4-452A0BE1EF0D}\WpadDecisionTime = 30e7f7dfd69bd801 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-d2-28-2d-c7-fb\WpadDecisionReason = "1" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-d2-28-2d-c7-fb\WpadDecisionTime = 30e7f7dfd69bd801 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD5ABDE6-A542-44FB-BBC4-452A0BE1EF0D}\WpadDecisionReason = "1" 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 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 mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0105000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-d2-28-2d-c7-fb mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CD5ABDE6-A542-44FB-BBC4-452A0BE1EF0D}\56-d2-28-2d-c7-fb mssecsvc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1848 wrote to memory of 1756 1848 rundll32.exe 27 PID 1848 wrote to memory of 1756 1848 rundll32.exe 27 PID 1848 wrote to memory of 1756 1848 rundll32.exe 27 PID 1848 wrote to memory of 1756 1848 rundll32.exe 27 PID 1848 wrote to memory of 1756 1848 rundll32.exe 27 PID 1848 wrote to memory of 1756 1848 rundll32.exe 27 PID 1848 wrote to memory of 1756 1848 rundll32.exe 27 PID 1756 wrote to memory of 900 1756 rundll32.exe 28 PID 1756 wrote to memory of 900 1756 rundll32.exe 28 PID 1756 wrote to memory of 900 1756 rundll32.exe 28 PID 1756 wrote to memory of 900 1756 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0a9138624a09d2bd90e04a78799b35ac.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0a9138624a09d2bd90e04a78799b35ac.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:900
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-
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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:1616
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\WINDOWS\mssecsvc.exe
- Size 3.6MB
- SHA256 9c47b3926cbb301c7449449cb427f9fc774d109bc2b46b6a1439adf50170d7b4
- MD5 b5b08199acf7e5cdbbe3c804c751e04d
- SHA1 47e0beb1515875af762dc41c7a5c7c912cae1fad
- SHA512 22b28606176c8628ee6ffdfecf2ab29a4ff58371df034d2554d35ee4893de6c0d398d19e3842bf63e2a65505417362909d5c76979af4b307e85994df6607e256
- SSDEEP 98304:XaPoB1zGX9+MDHODemamMIX6RSTq8ybHQstsJU8jMesffN:XaPSGt+MDsemamMIX6RSTq8ybHQy2U8i
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 9c47b3926cbb301c7449449cb427f9fc774d109bc2b46b6a1439adf50170d7b4
- MD5 b5b08199acf7e5cdbbe3c804c751e04d
- SHA1 47e0beb1515875af762dc41c7a5c7c912cae1fad
- SHA512 22b28606176c8628ee6ffdfecf2ab29a4ff58371df034d2554d35ee4893de6c0d398d19e3842bf63e2a65505417362909d5c76979af4b307e85994df6607e256
- SSDEEP 98304:XaPoB1zGX9+MDHODemamMIX6RSTq8ybHQstsJU8jMesffN:XaPSGt+MDsemamMIX6RSTq8ybHQy2U8i
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 9c47b3926cbb301c7449449cb427f9fc774d109bc2b46b6a1439adf50170d7b4
- MD5 b5b08199acf7e5cdbbe3c804c751e04d
- SHA1 47e0beb1515875af762dc41c7a5c7c912cae1fad
- SHA512 22b28606176c8628ee6ffdfecf2ab29a4ff58371df034d2554d35ee4893de6c0d398d19e3842bf63e2a65505417362909d5c76979af4b307e85994df6607e256
- SSDEEP 98304:XaPoB1zGX9+MDHODemamMIX6RSTq8ybHQstsJU8jMesffN:XaPSGt+MDsemamMIX6RSTq8ybHQy2U8i
- MD5 SHA1 SHA512 SSDEEP