Analysis
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max time kernel
187s -
max time network
192s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06-09-2022 21:34
Static task
static1
Behavioral task
behavioral1
Sample
84099c2e3f641d8722d18d2b555948fe.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
84099c2e3f641d8722d18d2b555948fe.exe
Resource
win10v2004-20220901-en
General
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Target
84099c2e3f641d8722d18d2b555948fe.exe
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Size
3.6MB
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MD5
84099c2e3f641d8722d18d2b555948fe
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SHA1
846aa657b643666ab2843183b8fb60b4468b0e52
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SHA256
6cecf1c41be6009136c66398fb446ae287b91f4ef3bdd2d8f88dd151cb97b515
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SHA512
02a3491705f27551b40a6b4ebf08f460198024fd0844aff9c06e8a43bb632f075946b896131419e8079274e2bdadc8dc3b3c9c9e8df80191f8cc7271f424abca
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SSDEEP
49152:2nAQqMSPbcBVFAMEcaEau3R8yAH1plAHI:yDqPoBP593R8yAVp2HI
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (957) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 1 IoCs
Processes:
tasksche.exepid process 828 tasksche.exe -
Drops file in System32 directory 1 IoCs
Processes:
84099c2e3f641d8722d18d2b555948fe.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat 84099c2e3f641d8722d18d2b555948fe.exe -
Drops file in Windows directory 1 IoCs
Processes:
84099c2e3f641d8722d18d2b555948fe.exedescription ioc process File created C:\WINDOWS\tasksche.exe 84099c2e3f641d8722d18d2b555948fe.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
84099c2e3f641d8722d18d2b555948fe.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D62F913D-C875-4B27-9EC3-2ED4CE68E8C2}\WpadNetworkName = "Network 2" 84099c2e3f641d8722d18d2b555948fe.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-d1-ff-83-dd-21\WpadDecisionTime = 506fc85f49c2d801 84099c2e3f641d8722d18d2b555948fe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 84099c2e3f641d8722d18d2b555948fe.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 84099c2e3f641d8722d18d2b555948fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 84099c2e3f641d8722d18d2b555948fe.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D62F913D-C875-4B27-9EC3-2ED4CE68E8C2} 84099c2e3f641d8722d18d2b555948fe.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D62F913D-C875-4B27-9EC3-2ED4CE68E8C2}\WpadDecisionReason = "1" 84099c2e3f641d8722d18d2b555948fe.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 84099c2e3f641d8722d18d2b555948fe.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 84099c2e3f641d8722d18d2b555948fe.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D62F913D-C875-4B27-9EC3-2ED4CE68E8C2}\WpadDecisionTime = 506fc85f49c2d801 84099c2e3f641d8722d18d2b555948fe.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-d1-ff-83-dd-21\WpadDecision = "0" 84099c2e3f641d8722d18d2b555948fe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 84099c2e3f641d8722d18d2b555948fe.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 84099c2e3f641d8722d18d2b555948fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 84099c2e3f641d8722d18d2b555948fe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 84099c2e3f641d8722d18d2b555948fe.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 84099c2e3f641d8722d18d2b555948fe.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-d1-ff-83-dd-21 84099c2e3f641d8722d18d2b555948fe.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D62F913D-C875-4B27-9EC3-2ED4CE68E8C2}\52-d1-ff-83-dd-21 84099c2e3f641d8722d18d2b555948fe.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-d1-ff-83-dd-21\WpadDecisionReason = "1" 84099c2e3f641d8722d18d2b555948fe.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 84099c2e3f641d8722d18d2b555948fe.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 84099c2e3f641d8722d18d2b555948fe.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 84099c2e3f641d8722d18d2b555948fe.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 84099c2e3f641d8722d18d2b555948fe.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{D62F913D-C875-4B27-9EC3-2ED4CE68E8C2}\WpadDecision = "0" 84099c2e3f641d8722d18d2b555948fe.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\84099c2e3f641d8722d18d2b555948fe.exe"C:\Users\Admin\AppData\Local\Temp\84099c2e3f641d8722d18d2b555948fe.exe"1⤵
- Drops file in Windows directory
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C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\84099c2e3f641d8722d18d2b555948fe.exeC:\Users\Admin\AppData\Local\Temp\84099c2e3f641d8722d18d2b555948fe.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\tasksche.exeFilesize
3.4MB
MD552eb8688bbfb129b524ae82ae9fc17ed
SHA1caf14da7c532d1f18abda03a07f2caacb829f9f1
SHA256dc944d7b8ef7e5c6d62300bc33e3157ebd4343bbec7bb01f162583025ea585ae
SHA5122e05f3f996a6f25e9af9fc7f978760c8c1129c10811d7fe866ad0dc6bf27c58780ea32c58772522b3d126ff557935d8a6efb48686656114d53926e28ac4e96f7
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memory/1656-54-0x0000000074D61000-0x0000000074D63000-memory.dmpFilesize
8KB