Analysis
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max time kernel
140s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
22-02-2022 17:46
Behavioral task
behavioral1
Sample
12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe
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Size
57KB
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MD5
47ab8895fdecb378d4f47d1ca2f05dc9
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SHA1
9e8f8837111543157a51c033879a3c63e001b808
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SHA256
12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf
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SHA512
73a8594be0b3444ca81a4e761c26fd3deabf4f112243508a25702add203b2993a0c967de7e2d24cf0a8299b6427fbbe5df5d63b6bf61ee1157071ae26232b792
Malware Config
Signatures
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Drops file in System32 directory 4 IoCs
Processes:
movesizes.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies movesizes.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 movesizes.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 movesizes.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE movesizes.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 3 IoCs
Processes:
movesizes.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" movesizes.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" movesizes.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix movesizes.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
movesizes.exepid process 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe 2164 movesizes.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exepid process 5096 12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exemovesizes.exedescription pid process target process PID 1588 wrote to memory of 5096 1588 12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe 12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe PID 1588 wrote to memory of 5096 1588 12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe 12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe PID 1588 wrote to memory of 5096 1588 12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe 12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe PID 2028 wrote to memory of 2164 2028 movesizes.exe movesizes.exe PID 2028 wrote to memory of 2164 2028 movesizes.exe movesizes.exe PID 2028 wrote to memory of 2164 2028 movesizes.exe movesizes.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe"C:\Users\Admin\AppData\Local\Temp\12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\12cea53b187c92750c027135784cb6366e6bf55121b6d9091fd9f8fcdfc670cf.exe--b419c16d2⤵
- Suspicious behavior: RenamesItself
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C:\Windows\SysWOW64\movesizes.exe"C:\Windows\SysWOW64\movesizes.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\movesizes.exe--bca6f2d72⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses