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, 07:52
Static task
static1
Behavioral task
behavioral1
Sample
03a2f8730c933e0407a1b47b2a1ee767.dll
Resource
win7-20220718-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
03a2f8730c933e0407a1b47b2a1ee767.dll
Resource
win10v2004-20220718-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target 03a2f8730c933e0407a1b47b2a1ee767.dll
- Size 5.0MB
- Sample220720-jqedlsdch5
- SHA256 ad2a493477867e6750937b17185c3a958d97562dc9e59c24ef24bd00c5177fed
- MD5 03a2f8730c933e0407a1b47b2a1ee767
- SHA1 fa7f57144e872a6cafe694e0a745678a7c7b671e
- SHA512 a8d5571a0f2fd46363bf11939588eede91aeb9b4e2283c7b6029478e2b832263b91c6937120db48ed77d3ede99d142be014e787fd4bf73429781e3f11d3dc75a
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (1237) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 3 IoCs
pid Process 1892 mssecsvc.exe 2028 mssecsvc.exe 1496 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 (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-75-a7-dd-b9-dc mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-75-a7-dd-b9-dc\WpadDecisionReason = "1" 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\Wpad\06-75-a7-dd-b9-dc\WpadDecisionTime = 500677661e9cd801 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-75-a7-dd-b9-dc\WpadDecision = "0" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\06-75-a7-dd-b9-dc 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 (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\History\CachePrefix = "Visited:" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0} mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\WpadDecision = "0" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\WpadNetworkName = "Network 3" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 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\AutoDetect = "1" 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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\WpadDecisionReason = "1" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E9134DB-3C23-4031-8933-B00BB05E13E0}\WpadDecisionTime = 500677661e9cd801 mssecsvc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 640 wrote to memory of 1420 640 rundll32.exe 27 PID 1420 wrote to memory of 1892 1420 rundll32.exe 28 PID 1420 wrote to memory of 1892 1420 rundll32.exe 28 PID 1420 wrote to memory of 1892 1420 rundll32.exe 28 PID 1420 wrote to memory of 1892 1420 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\03a2f8730c933e0407a1b47b2a1ee767.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\03a2f8730c933e0407a1b47b2a1ee767.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1892 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:1496
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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:2028
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\WINDOWS\mssecsvc.exe
- Size 3.6MB
- SHA256 a2575acfc9400d6cc06a22867d60b3fc72c74ce47004ab8fa6661fb123141dc4
- MD5 9dc2d6dc5273f5809c2efdc5f5ad7a1f
- SHA1 410c5ed63101db76a35e3e68a994a1a138bd094d
- SHA512 907316a32c2df7d6a74ae03b57474bf40fa1179362398d70929f668f79c568245d91e6c4532dc11e5025a0e437d04a637b90e912f61e7d1b0d025304aef5a658
- SSDEEP 49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6S9rH9PAMEcaEaue5c/bXZROAxf:yDqPoBhz1aRxcSUDk36SR9P59Uc/Jf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 a2575acfc9400d6cc06a22867d60b3fc72c74ce47004ab8fa6661fb123141dc4
- MD5 9dc2d6dc5273f5809c2efdc5f5ad7a1f
- SHA1 410c5ed63101db76a35e3e68a994a1a138bd094d
- SHA512 907316a32c2df7d6a74ae03b57474bf40fa1179362398d70929f668f79c568245d91e6c4532dc11e5025a0e437d04a637b90e912f61e7d1b0d025304aef5a658
- SSDEEP 49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6S9rH9PAMEcaEaue5c/bXZROAxf:yDqPoBhz1aRxcSUDk36SR9P59Uc/Jf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 a2575acfc9400d6cc06a22867d60b3fc72c74ce47004ab8fa6661fb123141dc4
- MD5 9dc2d6dc5273f5809c2efdc5f5ad7a1f
- SHA1 410c5ed63101db76a35e3e68a994a1a138bd094d
- SHA512 907316a32c2df7d6a74ae03b57474bf40fa1179362398d70929f668f79c568245d91e6c4532dc11e5025a0e437d04a637b90e912f61e7d1b0d025304aef5a658
- SSDEEP 49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6S9rH9PAMEcaEaue5c/bXZROAxf:yDqPoBhz1aRxcSUDk36SR9P59Uc/Jf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\tasksche.exe
- Size 3.4MB
- SHA256 70cf5e5725a8776c98b44e9b5ebffc3357ceaf363effd18eb411cc56a079db86
- MD5 d3db835eb1dcaa488d20bc7005a6163f
- SHA1 d563fbd07d3f088f1fc6866d1c0a7d2c8bd813d9
- SHA512 702c878dc4fc8fb46f3dca55a487b4ef841b9c5ca78144581551348e522607d378e9820652a4bdcf2678c325bf9362bf6e7bb6b3c9464b70f467707c47223f3c
- SSDEEP 49152:nQqMSPbcBVQej/1INRx+TSqTdX1HkQo6S9rH9PAMEcaEaue5c/bXZROAxr:QqPoBhz1aRxcSUDk36SR9P59Uc/Jr
- MD5 SHA1 SHA512 SSDEEP