Analysis
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max time kernel
168s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2022 19:26
Static task
static1
Behavioral task
behavioral1
Sample
834389b39d5f26ab08bd160f9a102ec0.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
834389b39d5f26ab08bd160f9a102ec0.exe
Resource
win10v2004-20220812-en
General
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Target
834389b39d5f26ab08bd160f9a102ec0.exe
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Size
3.6MB
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MD5
834389b39d5f26ab08bd160f9a102ec0
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SHA1
421afaca0623357c4ac0786ad3ad91df7428273e
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SHA256
5f8e1de744bccf4d649d5013fc8c5f2de42e8ca5eb99a541896e4f45844066eb
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SHA512
244fd59feca3048eac677b2c93f745bee3192d1a97efed079e7cedd716c62ae914aef405ff4e439ecab55a4f8729db7710e724898f5f9de32d3361a949450b5d
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SSDEEP
12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D4OWFiUBk38p:2bLgddQhfdmMSirYbcMNgef0JR0UriUb
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (2708) 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 3804 tasksche.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Drops file in Windows directory 1 IoCs
Processes:
834389b39d5f26ab08bd160f9a102ec0.exedescription ioc process File created C:\WINDOWS\tasksche.exe 834389b39d5f26ab08bd160f9a102ec0.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
834389b39d5f26ab08bd160f9a102ec0.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 834389b39d5f26ab08bd160f9a102ec0.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 834389b39d5f26ab08bd160f9a102ec0.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 834389b39d5f26ab08bd160f9a102ec0.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 834389b39d5f26ab08bd160f9a102ec0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 834389b39d5f26ab08bd160f9a102ec0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\834389b39d5f26ab08bd160f9a102ec0.exe"C:\Users\Admin\AppData\Local\Temp\834389b39d5f26ab08bd160f9a102ec0.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\834389b39d5f26ab08bd160f9a102ec0.exeC:\Users\Admin\AppData\Local\Temp\834389b39d5f26ab08bd160f9a102ec0.exe -m security1⤵
- 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
MD57adc7088044265dfa37a450adf237102
SHA13952ee4debef7d327f7cc1cdbdb60c0fc6dcf327
SHA25688935dcd80704c43847491d530f89312342597dcfa0b8620e6d53de790594f96
SHA5121761e0fcbb15432a14a49aa127c65b1f23edef7371555b10e190eb941b036f4b8692a2044cbb6fe5cc7b88b48ac6cac46e32f30cab70177da301f7403d3647ec