Analysis
- max time kernel
149s - max time network
151s - platform
windows10_x64 - resource
win10v20201028 - submitted
14/01/2021, 06:58
General
- Target MV. XIN YU_pdf.exe
- Size 857KB
- Sample210114-ccspv2rx2a
- SHA256 cf6959fe2bb4c2e078a8bb51c097dfd79bc0ca5cd296090a897ecb30a3ee6102
Malware Config
Extracted
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formbook
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http://www.huynhanhdung.com/kna/
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lawrencefiredepartment.com
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executivehomeoffices.com
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solfed.world
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oshawaexchange.com
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webdavlexstore.com
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youpieb.com
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chiller-master.com
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bearstoragetn.com
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daf90x16.com
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gewhacaalouine.com
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simplyezi.com
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cstechnologyservices.com
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nosyboats.com
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thecocomarie.com
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vetinaryeco.club
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americangoselfilm.com
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gdsuhejia.com
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verbunden-sein.net
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the-minerva.com
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loctrantv.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 48 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MV. XIN YU_pdf.exe"C:\Users\Admin\AppData\Local\Temp\MV. XIN YU_pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MV. XIN YU_pdf.exe"{path}"3⤵
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C:\Users\Admin\AppData\Local\Temp\MV. XIN YU_pdf.exe"{path}"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.exe"2⤵
- Suspicious use of SetThreadContext
- 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\MV. XIN YU_pdf.exe"3⤵
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/532-16-0x0000000000A30000-0x0000000000D2C000-memory.dmp
memory/532-15-0x0000000000A30000-0x0000000000D2C000-memory.dmp
memory/3200-11-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4804-6-0x00000000051D0000-0x00000000051D1000-memory.dmp
memory/4804-10-0x00000000077B0000-0x00000000077B1000-memory.dmp
memory/4804-9-0x0000000007680000-0x000000000770F000-memory.dmp
memory/4804-8-0x00000000053F0000-0x00000000053FE000-memory.dmp
memory/4804-7-0x0000000005270000-0x0000000005271000-memory.dmp
memory/4804-2-0x00000000739D0000-0x00000000740BE000-memory.dmp
memory/4804-5-0x00000000057C0000-0x00000000057C1000-memory.dmp
memory/4804-3-0x00000000008D0000-0x00000000008D1000-memory.dmp