Analysis
- max time kernel
150s - max time network
140s - platform
windows10_x64 - resource
win10v20210408 - submitted
04/06/2021, 12:48
General
- Target Proof of Payment.bat.exe
- Size 234KB
- Sample210604-wr8wql5nbx
- SHA256 bdc84c917558fe1a4055309a8d6ad6d89d2cdf5a6741c218ace44f70489f9260
Malware Config
Extracted
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formbook
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4.1
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http://www.knighttechinca.com/dxe/
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sardarfarm.com
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959tremont.com
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privat-livecam.net
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ansel-homebakery.com
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joysupermarket.com
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peninsulamatchmakers.net
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northsytyle.com
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radioconexaoubermusic.com
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relocatingrealtor.com
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desyrnan.com
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onlinehoortoestel.online
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enpointe.online
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rvvikings.com
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paulpoirier.com
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shitarpa.net
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kerneis.net
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rokitreach.com
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essentiallygaia.com
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prestiged.net
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fuerzaagavera.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 IoCs
- Loads dropped DLL 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Proof of Payment.bat.exe"C:\Users\Admin\AppData\Local\Temp\Proof of Payment.bat.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Proof of Payment.bat.exe"C:\Users\Admin\AppData\Local\Temp\Proof of Payment.bat.exe"3⤵
- 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⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\Proof of Payment.bat.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2816-117-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2816-119-0x00000000005C0000-0x00000000005D4000-memory.dmp
memory/2816-118-0x0000000000B50000-0x0000000000E70000-memory.dmp
memory/2844-124-0x00000000030A0000-0x00000000030CE000-memory.dmp
memory/2844-123-0x0000000000C80000-0x0000000000C8B000-memory.dmp
memory/2844-125-0x00000000036C0000-0x00000000039E0000-memory.dmp
memory/2844-126-0x00000000035C0000-0x0000000003653000-memory.dmp
memory/2988-120-0x0000000002A20000-0x0000000002B01000-memory.dmp
memory/2988-127-0x0000000005F70000-0x0000000006066000-memory.dmp