Analysis
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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, 07:40
Static task
static1
Behavioral task
behavioral1
Sample
9e0eaa68ea5bd83f297da656f907a51c.dll
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
9e0eaa68ea5bd83f297da656f907a51c.dll
Resource
win10v2004-20220718-en
General
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Target
9e0eaa68ea5bd83f297da656f907a51c.dll
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Size
5.0MB
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MD5
9e0eaa68ea5bd83f297da656f907a51c
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SHA1
0b794a2126670baecaf6bb733b73363a4c036233
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SHA256
c1bda90198c908e878987849861f37f1ed61003efeffeb6004524dbfc14d0a61
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SHA512
4d9b78a99decfd8e0a2810acfbefca3eace7790524b311210b9e3623ba6a19ab71311ca5609eb12746519d5bd48724bc4fe642443c789f3aab93e8dd6e695428
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (1240) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 2 IoCs
pid Process 1860 mssecsvc.exe 940 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\ZoneMap\ 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\06-b3-e2-21-6b-68 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-b3-e2-21-6b-68\WpadDecisionReason = "1" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-b3-e2-21-6b-68\WpadDecisionTime = b0a759bb1c9cd801 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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09198BD8-AAE4-4499-87F6-CDDADBEAFAA8} mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09198BD8-AAE4-4499-87F6-CDDADBEAFAA8}\WpadDecisionReason = "1" mssecsvc.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09198BD8-AAE4-4499-87F6-CDDADBEAFAA8}\WpadDecisionTime = b0a759bb1c9cd801 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09198BD8-AAE4-4499-87F6-CDDADBEAFAA8}\WpadDecision = "0" mssecsvc.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09198BD8-AAE4-4499-87F6-CDDADBEAFAA8}\WpadNetworkName = "Network 3" 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\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad mssecsvc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 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 (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\{09198BD8-AAE4-4499-87F6-CDDADBEAFAA8}\06-b3-e2-21-6b-68 mssecsvc.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\06-b3-e2-21-6b-68\WpadDecision = "0" 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 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1880 wrote to memory of 1744 1880 rundll32.exe 27 PID 1880 wrote to memory of 1744 1880 rundll32.exe 27 PID 1880 wrote to memory of 1744 1880 rundll32.exe 27 PID 1880 wrote to memory of 1744 1880 rundll32.exe 27 PID 1880 wrote to memory of 1744 1880 rundll32.exe 27 PID 1880 wrote to memory of 1744 1880 rundll32.exe 27 PID 1880 wrote to memory of 1744 1880 rundll32.exe 27 PID 1744 wrote to memory of 1860 1744 rundll32.exe 28 PID 1744 wrote to memory of 1860 1744 rundll32.exe 28 PID 1744 wrote to memory of 1860 1744 rundll32.exe 28 PID 1744 wrote to memory of 1860 1744 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9e0eaa68ea5bd83f297da656f907a51c.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9e0eaa68ea5bd83f297da656f907a51c.dll,#12⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\WINDOWS\mssecsvc.exeC:\WINDOWS\mssecsvc.exe3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1860
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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:940
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.6MB
MD53b5be2873bc5ed4a57f5d96ad9420b0b
SHA1505dee8417a21ba74eeaf036b2aaee9fd9992deb
SHA256593c32d9de0642b58e6b87da796b284165cae9f423f3a8fe0119aabf0dab03f0
SHA5123ed23006ad667df8a7e0c6765c03e0a7210e5393bdfaf8e3e564cf8eea0ec076973756eca5cb0482d017e7a3e57d96d596c24110b7178d85e4304df1d8e20069
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Filesize
3.6MB
MD53b5be2873bc5ed4a57f5d96ad9420b0b
SHA1505dee8417a21ba74eeaf036b2aaee9fd9992deb
SHA256593c32d9de0642b58e6b87da796b284165cae9f423f3a8fe0119aabf0dab03f0
SHA5123ed23006ad667df8a7e0c6765c03e0a7210e5393bdfaf8e3e564cf8eea0ec076973756eca5cb0482d017e7a3e57d96d596c24110b7178d85e4304df1d8e20069
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Filesize
3.6MB
MD53b5be2873bc5ed4a57f5d96ad9420b0b
SHA1505dee8417a21ba74eeaf036b2aaee9fd9992deb
SHA256593c32d9de0642b58e6b87da796b284165cae9f423f3a8fe0119aabf0dab03f0
SHA5123ed23006ad667df8a7e0c6765c03e0a7210e5393bdfaf8e3e564cf8eea0ec076973756eca5cb0482d017e7a3e57d96d596c24110b7178d85e4304df1d8e20069