Analysis
- max time kernel
149s - max time network
139s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:44
General
- Target menu.exe
- Size 406KB
- Sample201109-nlt6e3cwpj
- SHA256 978d9731a42b87de3650a93cd5291e890c8f85f6aaa00f78547be6dabb327817
Malware Config
Extracted
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formbook
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http://www.mafov.com/l6l/
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rubiputra.com
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seaexplorer360.com
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loantruststop.biz
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quantumstepscoaching.com
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blitzparade.store
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nurembergproject.online
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studiostudiostudio.net
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csgotale.com
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ycchengjian.com
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danidays.com
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xperienceglamping.com
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utilityglasses.com
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mayorauto.com
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armonktaxi.com
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theskoose.com
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cd5201314.com
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arlingtonloyaltyclub.win
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3881.ink
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alternatifsbobet365.com
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tiotheatre.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 1 IoCs
- Adds policy Run key to start application 2 TTPs 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 2 IoCs
- Drops file in Program Files directory 1 IoCs
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 46 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\menu.exe"C:\Users\Admin\AppData\Local\Temp\menu.exe"2⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\SysWOW64\ipconfig.exe"2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\menu.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/984-0-0x0000000073310000-0x00000000739FE000-memory.dmp
memory/984-1-0x0000000000F50000-0x0000000000F51000-memory.dmp
memory/984-3-0x0000000005750000-0x000000000577F000-memory.dmp
memory/984-4-0x0000000005D10000-0x0000000005D11000-memory.dmp
memory/2000-6-0x0000000000B40000-0x0000000000B4B000-memory.dmp
memory/2000-7-0x0000000000B40000-0x0000000000B4B000-memory.dmp
memory/2000-9-0x0000000004410000-0x0000000004523000-memory.dmp