Analysis
- max time kernel
151s - max time network
154s - platform
windows7_x64 - resource
win7-20220718-en - resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system - submitted
20/07/2022, 03:52
Static task
static1
Behavioral task
behavioral1
Sample
e54b3c74801bc99d032195f5e64b8631.dll
Resource
win7-20220718-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
e54b3c74801bc99d032195f5e64b8631.dll
Resource
win10v2004-20220718-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target e54b3c74801bc99d032195f5e64b8631.dll
- Size 5.0MB
- Sample220720-ee3jvabed8
- SHA256 f2cf2c68920d3812d76104aa8388cfa07934c53a39e8f48e098a282ddccbfbcf
- MD5 e54b3c74801bc99d032195f5e64b8631
- SHA1 30e28714c1e1217ba47e66a6b608a0acd53e530e
- SHA512 cc6cd1da6cc2d41ea5a4bf94fe42f6182712a90032d1b5b783a267b1f211c5ecc2d64e5d79c45cae48e5fed39f3f71b017b51e23a95a95d93155d62d7852d62a
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Wannacry
WannaCry is a ransomware cryptoworm.
- Contacts a large (1227) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Executes dropped EXE 3 IoCs
pid Process 1956 mssecsvc.exe 1072 mssecsvc.exe 1508 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 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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 (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\ca-fd-da-49-6e-f8 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 (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 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 Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-fd-da-49-6e-f8\WpadDecisionTime = 50d767dffc9bd801 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\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0}\ca-fd-da-49-6e-f8 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 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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0} mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0}\WpadDecisionTime = 50d767dffc9bd801 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{121F6D94-F911-403A-AC73-5AA3B2D1DAE0}\WpadDecisionReason = "1" 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 (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ca-fd-da-49-6e-f8\WpadDecision = "0" mssecsvc.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 976 wrote to memory of 1964 976 rundll32.exe 27 PID 976 wrote to memory of 1964 976 rundll32.exe 27 PID 976 wrote to memory of 1964 976 rundll32.exe 27 PID 976 wrote to memory of 1964 976 rundll32.exe 27 PID 976 wrote to memory of 1964 976 rundll32.exe 27 PID 976 wrote to memory of 1964 976 rundll32.exe 27 PID 976 wrote to memory of 1964 976 rundll32.exe 27 PID 1964 wrote to memory of 1956 1964 rundll32.exe 28 PID 1964 wrote to memory of 1956 1964 rundll32.exe 28 PID 1964 wrote to memory of 1956 1964 rundll32.exe 28 PID 1964 wrote to memory of 1956 1964 rundll32.exe 28
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e54b3c74801bc99d032195f5e64b8631.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e54b3c74801bc99d032195f5e64b8631.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1956 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i4⤵
- Executes dropped EXE
PID:1508
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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 ce45c82bcebe8ce436c3bcb4dc7813376af2df805314dc8633886298ac554baa
- MD5 31dbf931fa56634182d8248472dce6e4
- SHA1 a5edae7b62c53f08c67395ba5057b59bd51be8bb
- SHA512 4512d72580f508672bd65babd341315b080309b129f50d78a93098fb569fbdb30ea7cd2da556944b128db61e67f1a534c6f1e178ddc38f53432d8d63ae1c82bd
- SSDEEP 98304:XDqPoBhz1aU/xcEax7QY83EKx1eKOCXcn:XDqPe1DxY7j83PxISXcn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 ce45c82bcebe8ce436c3bcb4dc7813376af2df805314dc8633886298ac554baa
- MD5 31dbf931fa56634182d8248472dce6e4
- SHA1 a5edae7b62c53f08c67395ba5057b59bd51be8bb
- SHA512 4512d72580f508672bd65babd341315b080309b129f50d78a93098fb569fbdb30ea7cd2da556944b128db61e67f1a534c6f1e178ddc38f53432d8d63ae1c82bd
- SSDEEP 98304:XDqPoBhz1aU/xcEax7QY83EKx1eKOCXcn:XDqPe1DxY7j83PxISXcn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\mssecsvc.exe
- Size 3.6MB
- SHA256 ce45c82bcebe8ce436c3bcb4dc7813376af2df805314dc8633886298ac554baa
- MD5 31dbf931fa56634182d8248472dce6e4
- SHA1 a5edae7b62c53f08c67395ba5057b59bd51be8bb
- SHA512 4512d72580f508672bd65babd341315b080309b129f50d78a93098fb569fbdb30ea7cd2da556944b128db61e67f1a534c6f1e178ddc38f53432d8d63ae1c82bd
- SSDEEP 98304:XDqPoBhz1aU/xcEax7QY83EKx1eKOCXcn:XDqPe1DxY7j83PxISXcn
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\tasksche.exe
- Size 3.4MB
- SHA256 2d9ed5674045816c685ff78311cf11c4a91e2610f1fe7f4984bd1e293d0c357c
- MD5 d6df47df1b1a47a63610457b53225561
- SHA1 be1d00bc96a6fc9ca2b0b4c3dbfc02172fe3c8f1
- SHA512 537d779f15e9d42eb5cfc7a11ca2b60c0e1c6169048031c8478efd7868844af15c6b2ba34678bf0ca4c97b68994aec099bb4064027c2e07da41d8e577464e889
- SSDEEP 49152:nQqMSPbcBVQej/1INo//fZAXEall988QY9uNg7aelKx1tku3OC8GcglK:QqPoBhz1aU/xcEax7QY83EKx1eKOCXcJ
- MD5 SHA1 SHA512 SSDEEP