Analysis
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max time kernel
151s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
08-09-2022 19:35
Static task
static1
Behavioral task
behavioral1
Sample
f12b69c504464cc5443eb5ced38b690b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f12b69c504464cc5443eb5ced38b690b.exe
Resource
win10v2004-20220812-en
General
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Target
f12b69c504464cc5443eb5ced38b690b.exe
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Size
3.6MB
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MD5
f12b69c504464cc5443eb5ced38b690b
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SHA1
40d08fe240c6dca35bab10eb630397919a9b5a88
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SHA256
78bbe4a65e13a06df5ae05c158aeec7c0ed7883a62261a25c63673c600047d4c
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SHA512
be9e2fa92d379baa6cb92dd064ffd1c6c3ce360f75adcbe205aebb2c112d14b88da834d94b21bc2007aecff12d2eb04f378d80eb21be4563093121702ec70c5c
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SSDEEP
98304:XDqPoBhz1aRxcSUDk36SAEdhv8P593R8yAVp2HI:XDqPe1Cxcxk3ZAEyzR8yc4HI
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (1258) 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 1372 tasksche.exe -
Drops file in System32 directory 1 IoCs
Processes:
f12b69c504464cc5443eb5ced38b690b.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat f12b69c504464cc5443eb5ced38b690b.exe -
Drops file in Windows directory 1 IoCs
Processes:
f12b69c504464cc5443eb5ced38b690b.exedescription ioc process File created C:\WINDOWS\tasksche.exe f12b69c504464cc5443eb5ced38b690b.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
f12b69c504464cc5443eb5ced38b690b.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" f12b69c504464cc5443eb5ced38b690b.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 f12b69c504464cc5443eb5ced38b690b.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F59A668A-91B5-4A02-BF6C-7F4C486ED030}\WpadDecisionTime = 9063abe8cac3d801 f12b69c504464cc5443eb5ced38b690b.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-02-ac-5b-2f-f6 f12b69c504464cc5443eb5ced38b690b.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F59A668A-91B5-4A02-BF6C-7F4C486ED030}\aa-02-ac-5b-2f-f6 f12b69c504464cc5443eb5ced38b690b.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 f12b69c504464cc5443eb5ced38b690b.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" f12b69c504464cc5443eb5ced38b690b.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f12b69c504464cc5443eb5ced38b690b.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F59A668A-91B5-4A02-BF6C-7F4C486ED030} f12b69c504464cc5443eb5ced38b690b.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F59A668A-91B5-4A02-BF6C-7F4C486ED030}\WpadNetworkName = "Network 2" f12b69c504464cc5443eb5ced38b690b.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-02-ac-5b-2f-f6\WpadDecisionReason = "1" f12b69c504464cc5443eb5ced38b690b.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-02-ac-5b-2f-f6\WpadDecisionTime = 9063abe8cac3d801 f12b69c504464cc5443eb5ced38b690b.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F59A668A-91B5-4A02-BF6C-7F4C486ED030}\WpadDecisionReason = "1" f12b69c504464cc5443eb5ced38b690b.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings f12b69c504464cc5443eb5ced38b690b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings f12b69c504464cc5443eb5ced38b690b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f12b69c504464cc5443eb5ced38b690b.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" f12b69c504464cc5443eb5ced38b690b.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f12b69c504464cc5443eb5ced38b690b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad f12b69c504464cc5443eb5ced38b690b.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0007000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 f12b69c504464cc5443eb5ced38b690b.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-02-ac-5b-2f-f6\WpadDecision = "0" f12b69c504464cc5443eb5ced38b690b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections f12b69c504464cc5443eb5ced38b690b.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f12b69c504464cc5443eb5ced38b690b.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F59A668A-91B5-4A02-BF6C-7F4C486ED030}\WpadDecision = "0" f12b69c504464cc5443eb5ced38b690b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f12b69c504464cc5443eb5ced38b690b.exe"C:\Users\Admin\AppData\Local\Temp\f12b69c504464cc5443eb5ced38b690b.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\f12b69c504464cc5443eb5ced38b690b.exeC:\Users\Admin\AppData\Local\Temp\f12b69c504464cc5443eb5ced38b690b.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
MD571cb28d82d822b74b5dabe0e7d08fb04
SHA1d9eb8751973dfb933c2c481e2205a47970e3f461
SHA2563e4b13d1d3ac51041a7e8301c55f421545265d013fa9b0b6aa1aecf736fff735
SHA51223a196afad2996e7fe6fb3305637fee476fff312f7554aefca3c098922fb3c44d9568a8d49c4d821fb81e95acc75debafd2f37b6208034a4497016afc2bb0210
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memory/1836-54-0x0000000075771000-0x0000000075773000-memory.dmpFilesize
8KB