Analysis
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max time kernel
170s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2022 19:41
Static task
static1
Behavioral task
behavioral1
Sample
73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Resource
win10v2004-20220812-en
General
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Target
73a745cd7a35f81f7ca9d7d81ba40e1c.exe
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Size
5.0MB
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MD5
73a745cd7a35f81f7ca9d7d81ba40e1c
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SHA1
5c0e4eb81186b7b3f3bf1b145fa757d6d88e1c42
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SHA256
ae29fa6590365573a80499fe19d125d8bd48f6f9096e2b1311b76a694cd6c2bb
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SHA512
2398c808b919efa10fe50925e75c0518299f226bfc92e9b1a33a8f512b3e6a760416d988b5e2e50e224c2e7e6cc84b980fba650840e9225406dbb24a6f9a04d6
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SSDEEP
98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Z+G:yDqPe1Cxcxk3ZAEUadH
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (2507) 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 3276 tasksche.exe -
Drops file in Windows directory 1 IoCs
Processes:
73a745cd7a35f81f7ca9d7d81ba40e1c.exedescription ioc process File created C:\WINDOWS\tasksche.exe 73a745cd7a35f81f7ca9d7d81ba40e1c.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
73a745cd7a35f81f7ca9d7d81ba40e1c.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 73a745cd7a35f81f7ca9d7d81ba40e1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 73a745cd7a35f81f7ca9d7d81ba40e1c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 73a745cd7a35f81f7ca9d7d81ba40e1c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 73a745cd7a35f81f7ca9d7d81ba40e1c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 73a745cd7a35f81f7ca9d7d81ba40e1c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe"C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe"1⤵
- Drops file in Windows directory
PID:4816 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:3276
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C:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exeC:\Users\Admin\AppData\Local\Temp\73a745cd7a35f81f7ca9d7d81ba40e1c.exe -m security1⤵
- Modifies data under HKEY_USERS
PID:4996
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.4MB
MD5c2d36bc9c188745c2b8fdf9d0476b686
SHA19ee71be6eb7bcd941fbcac74633111aaaeed0a0d
SHA25651526c8b491d7adaf5c583b56db21d249963e153f7f5891746dc521ea0352921
SHA512245e11c85302df5e86e75127432a496d4c85e75ecee7a979d7d0a19a082d1a30f109ccef9c68bcf7b6f472af1e3b3db45bc74f27549e3342c06b1720c03c2d5e