Analysis
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max time kernel
151s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
04-10-2022 19:24
Static task
static1
Behavioral task
behavioral1
Sample
1457da48cd8b51b54792cf4d13175eb8.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
1457da48cd8b51b54792cf4d13175eb8.exe
Resource
win10v2004-20220812-en
General
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Target
1457da48cd8b51b54792cf4d13175eb8.exe
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Size
3.6MB
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MD5
1457da48cd8b51b54792cf4d13175eb8
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SHA1
0061904369080aa7bd20b87fde01cc940ec0935a
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SHA256
50864f4e4f20010e4066d74bebb4fb95d178ac965b2d1a04766a935d7f4b18ba
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SHA512
1874aee2b626473b3729c6b71c70b62e836adc81a9848e140c478971f47991b90f40c4cc866fc1ef4c57d5d7a7e422514c9bcd82e1c0e2a66d1bc9cb4089151c
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SSDEEP
12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPUy2chP:2bLgddQhfdmMSirYbcC2chP
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (1299) 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 320 tasksche.exe -
Drops file in System32 directory 1 IoCs
Processes:
1457da48cd8b51b54792cf4d13175eb8.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat 1457da48cd8b51b54792cf4d13175eb8.exe -
Drops file in Windows directory 1 IoCs
Processes:
1457da48cd8b51b54792cf4d13175eb8.exedescription ioc process File created C:\WINDOWS\tasksche.exe 1457da48cd8b51b54792cf4d13175eb8.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
1457da48cd8b51b54792cf4d13175eb8.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1457da48cd8b51b54792cf4d13175eb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9531C690-CC1D-456E-A30E-4B0C7D16DD58} 1457da48cd8b51b54792cf4d13175eb8.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9531C690-CC1D-456E-A30E-4B0C7D16DD58}\WpadDecisionTime = f0424f0827d8d801 1457da48cd8b51b54792cf4d13175eb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9531C690-CC1D-456E-A30E-4B0C7D16DD58}\WpadNetworkName = "Network 2" 1457da48cd8b51b54792cf4d13175eb8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-94-7c-09-5d-71\WpadDecisionReason = "1" 1457da48cd8b51b54792cf4d13175eb8.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-94-7c-09-5d-71\WpadDecisionTime = f0424f0827d8d801 1457da48cd8b51b54792cf4d13175eb8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 1457da48cd8b51b54792cf4d13175eb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-94-7c-09-5d-71 1457da48cd8b51b54792cf4d13175eb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9531C690-CC1D-456E-A30E-4B0C7D16DD58}\62-94-7c-09-5d-71 1457da48cd8b51b54792cf4d13175eb8.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 1457da48cd8b51b54792cf4d13175eb8.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 1457da48cd8b51b54792cf4d13175eb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1457da48cd8b51b54792cf4d13175eb8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 1457da48cd8b51b54792cf4d13175eb8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 1457da48cd8b51b54792cf4d13175eb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1457da48cd8b51b54792cf4d13175eb8.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f000f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 1457da48cd8b51b54792cf4d13175eb8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9531C690-CC1D-456E-A30E-4B0C7D16DD58}\WpadDecisionReason = "1" 1457da48cd8b51b54792cf4d13175eb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 1457da48cd8b51b54792cf4d13175eb8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-94-7c-09-5d-71\WpadDecision = "0" 1457da48cd8b51b54792cf4d13175eb8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9531C690-CC1D-456E-A30E-4B0C7D16DD58}\WpadDecision = "0" 1457da48cd8b51b54792cf4d13175eb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 1457da48cd8b51b54792cf4d13175eb8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1457da48cd8b51b54792cf4d13175eb8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 1457da48cd8b51b54792cf4d13175eb8.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 1457da48cd8b51b54792cf4d13175eb8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1457da48cd8b51b54792cf4d13175eb8.exe"C:\Users\Admin\AppData\Local\Temp\1457da48cd8b51b54792cf4d13175eb8.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\1457da48cd8b51b54792cf4d13175eb8.exeC:\Users\Admin\AppData\Local\Temp\1457da48cd8b51b54792cf4d13175eb8.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
MD5812ea5f274980e1738065fa7c3074a14
SHA1ab5b7761dcf81fc858a216e715c091a2f2ce6081
SHA256de40bfcff0ced61f5e4b639672d6dee42ddf178b792ab228ba8ec5c3990bd301
SHA512b2c40a93e9ba917be1d0ffbc25f5120e7939400de7f22de054edd2b8d9e44b9120b05a23953f978556c06a5c03a92c6efef583473fe2156aeb894052cf1026eb
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memory/1456-54-0x0000000075B51000-0x0000000075B53000-memory.dmpFilesize
8KB