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, 00:45
Static task
static1
Behavioral task
behavioral1
Sample
a468c834d244c5c43614d5f4586d569b.dll
Resource
win7-20220718-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
a468c834d244c5c43614d5f4586d569b.dll
Resource
win10v2004-20220718-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target a468c834d244c5c43614d5f4586d569b.dll
- Size 5.0MB
- Sample220720-a33sasadan
- SHA256 32cdea873561d695dbb316a05f511bacec6f96702a3c54d2ce60cfc74ba65208
- MD5 a468c834d244c5c43614d5f4586d569b
- SHA1 b6ee042bc35fce6ce68d463ab763abd721c4a20c
- SHA512 3097b6460a41f0f13f66ddfdb9e1755660ef7a1f19090350891eee23a8ab5d8a07559eb113fb3b49681ec49dbf997d75c3552d7e7ec0253d0ad6110f45f195de
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (1206) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 3 IoCs
pid Process 536 mssecsvc.exe 1276 mssecsvc.exe 1624 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 (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\{C9D3ADBC-9893-4192-8967-3B13351BF0AC}\WpadDecision = "0" 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 = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C9D3ADBC-9893-4192-8967-3B13351BF0AC}\WpadDecisionTime = f06ac0c2e29bd801 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\ProxyEnable = "0" 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 (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-f9-78-30-a7-2d\WpadDecisionReason = "1" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C9D3ADBC-9893-4192-8967-3B13351BF0AC}\WpadNetworkName = "Network 3" mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-f9-78-30-a7-2d mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-f9-78-30-a7-2d\WpadDecisionTime = f06ac0c2e29bd801 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\Connections 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\{C9D3ADBC-9893-4192-8967-3B13351BF0AC} mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C9D3ADBC-9893-4192-8967-3B13351BF0AC}\WpadDecisionReason = "1" mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-f9-78-30-a7-2d\WpadDecision = "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\{C9D3ADBC-9893-4192-8967-3B13351BF0AC}\8e-f9-78-30-a7-2d mssecsvc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 840 wrote to memory of 1412 840 rundll32.exe 27 PID 840 wrote to memory of 1412 840 rundll32.exe 27 PID 840 wrote to memory of 1412 840 rundll32.exe 27 PID 840 wrote to memory of 1412 840 rundll32.exe 27 PID 840 wrote to memory of 1412 840 rundll32.exe 27 PID 840 wrote to memory of 1412 840 rundll32.exe 27 PID 840 wrote to memory of 1412 840 rundll32.exe 27 PID 1412 wrote to memory of 536 1412 rundll32.exe 28 PID 1412 wrote to memory of 536 1412 rundll32.exe 28 PID 1412 wrote to memory of 536 1412 rundll32.exe 28 PID 1412 wrote to memory of 536 1412 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a468c834d244c5c43614d5f4586d569b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a468c834d244c5c43614d5f4586d569b.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1412 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:536 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:1624
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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:1276
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\WINDOWS\mssecsvc.exe
- Size 3.6MB
- SHA256 25d3cbee9caf5673288750d0433291127b3fd8d6da4eb186be9f585d7f070f2e
- MD5 fc49e9ff1e4a0ae2e4a18e0947d8252c
- SHA1 a32942c3d0d7b61c14c67276fa81910cf0ed0c37
- SHA512 54365611a54ad94f77ef77fb05b59bb1756e992899435d7886d817fc4713fc39fd411e97e350bbcde8fc669366f18891a638857ebb9bb11c4d0bd2782693e500
- SSDEEP 98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Ky:XDqPe1Cxcxk3ZAEUadQy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 25d3cbee9caf5673288750d0433291127b3fd8d6da4eb186be9f585d7f070f2e
- MD5 fc49e9ff1e4a0ae2e4a18e0947d8252c
- SHA1 a32942c3d0d7b61c14c67276fa81910cf0ed0c37
- SHA512 54365611a54ad94f77ef77fb05b59bb1756e992899435d7886d817fc4713fc39fd411e97e350bbcde8fc669366f18891a638857ebb9bb11c4d0bd2782693e500
- SSDEEP 98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Ky:XDqPe1Cxcxk3ZAEUadQy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 25d3cbee9caf5673288750d0433291127b3fd8d6da4eb186be9f585d7f070f2e
- MD5 fc49e9ff1e4a0ae2e4a18e0947d8252c
- SHA1 a32942c3d0d7b61c14c67276fa81910cf0ed0c37
- SHA512 54365611a54ad94f77ef77fb05b59bb1756e992899435d7886d817fc4713fc39fd411e97e350bbcde8fc669366f18891a638857ebb9bb11c4d0bd2782693e500
- SSDEEP 98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Ky:XDqPe1Cxcxk3ZAEUadQy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\tasksche.exe
- Size 3.4MB
- SHA256 1ff8916d81f926bf920e7d56cf93c35ac974992f5ed07d75c36038e4e6b07216
- MD5 e4894c0fef9f5be48ffa0924d3af5c4d
- SHA1 9a2d24ebff66f352dff4e4acac738048107457fb
- SHA512 870175b96398d463d51d71fe43d050e4add5f71fe0318959503149f31aad5833919255fab495ddd01b188f4e39c9df2d210e528de61fbc232e7dd4fb8e997787
- SSDEEP 49152:nQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc8S:QqPoBhz1aRxcSUDk36SAEdhvxWa9P5KS
- MD5 SHA1 SHA512 SSDEEP