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Analysis
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max time kernel
139s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2022, 11:02
Static task
static1
Behavioral task
behavioral1
Sample
a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff.exe
Resource
win7-20220812-en
General
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Target
a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff.exe
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Size
94KB
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MD5
99f43174691b821453fab057fbe5929f
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SHA1
30b6e15bb4d7ee5571bb68bd4d82baf0592a9f80
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SHA256
a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff
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SHA512
1b01d5e66a769b1287bf7b96a85a16622ed19563c76feb2904c1b6785ab166fdd821a64d60ffd939c204b30df9568d546a83c0e128a0c16ef7b96fb5ef7a6171
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SSDEEP
1536:VB+mVbcZgNDGKpK6S6EHU5e7zMb1ya+ORHduBRkphLZdk7txIfQFNixOj4brpQQE:+m1rN3K6SZHUPEa+m9MRkLLMXXHIPp5
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4360 wrote to memory of 4844 4360 a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff.exe 81 PID 4360 wrote to memory of 4844 4360 a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff.exe 81 PID 4360 wrote to memory of 4844 4360 a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff.exe"C:\Users\Admin\AppData\Local\Temp\a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4360 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ytk.bat" "C:\Users\Admin\AppData\Local\Temp\a70b8c34747fbc47a18e6fac84e8aea90b7d026ee76fd224b529f5f378a90fff.exe" "2⤵PID:4844
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
71B
MD5e6b031b9b7d40fa332ebc6f38b2f9f64
SHA1d6dbffcfcc6a26188fd8d2e5b6257af4821fb48f
SHA25666a04ff993916bce61351e4c3b94ea079c806efb1723c7cd79bd32aaf6847e0b
SHA5127d17655334fcda4c3326110d340fd91cd23ee284dec99c3a8bbc8408342fda5f51e27aaba75fba4cccd513c342c22f07ad2cf6e2326ba575e3cc0eba4ea91948