Analysis
- max time kernel
147s - max time network
135s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:37
General
- Target DHL Shipment AWB 5214910007391.exe
- Size 619KB
- Sample201109-mcv84kpcwe
- SHA256 ebfb1ff1b4c2b59183abffb8fbc8fd8271d0756868ceca9b72b26cfee8030ec9
Malware Config
Extracted
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formbook
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http://www.porcber.com/mq3/
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vamojunto.com
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zhuiju5.com
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brxer.com
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modnevesht.com
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qadmin.com
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yyw518.com
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diacleaningservice.com
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like-net.com
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mallscbd.com
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remdee.com
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salonyu-mie.com
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bookwormegy.com
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mymtaporta.com
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usepelican.com
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nam2store.com
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ubench.net
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techsupportnumber.directory
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globalkeystone.info
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computerhomebasedbusinesses.com
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yx956.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 3 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of UnmapMainImage 1 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 UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL Shipment AWB 5214910007391.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment AWB 5214910007391.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\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.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\DHL Shipment AWB 5214910007391.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3108-10-0x0000000006DC0000-0x0000000006E73000-memory.dmp
memory/3936-6-0x00000000010C0000-0x00000000010CB000-memory.dmp
memory/3936-7-0x00000000010C0000-0x00000000010CB000-memory.dmp
memory/3936-9-0x00000000041C0000-0x0000000004332000-memory.dmp
memory/4644-0-0x0000000073E30000-0x000000007451E000-memory.dmp
memory/4644-1-0x0000000000DA0000-0x0000000000DA1000-memory.dmp
memory/4644-3-0x0000000005610000-0x0000000005641000-memory.dmp
memory/4644-4-0x0000000005BE0000-0x0000000005BE1000-memory.dmp