Analysis
- max time kernel
149s - max time network
138s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
16/02/2022, 09:00
General
- Target INV-DHL202038.exe
- Size 424KB
- Sample220216-kyb4wsbec7
- SHA256 c0255201237bfaac3d1396aa62c0277631f9ccbae295de89e71b504a1373002a
Malware Config
Extracted
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formbook
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4.1
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cn31
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jdklawnmaintenance.com
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honshukensetsu.com
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physicsengineering.com
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xs.business
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carrierguard.net
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glasses-shop.online
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fwqim.icu
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drmoedavirtual.com
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mindmedicine.institute
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pe9dze.site
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domise.xyz
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appaloosa.design
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msiems.info
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wersling.com
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proeasyit.com
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mercatelectric.com
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utahtitle9lawyer.com
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happi-lyfe.com
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miamihumanfactor.com
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14239765.club
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 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.
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\INV-DHL202038.exe"C:\Users\Admin\AppData\Local\Temp\INV-DHL202038.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\qmukbw.exeC:\Users\Admin\AppData\Local\Temp\qmukbw.exe C:\Users\Admin\AppData\Local\Temp\cvkzbsi3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\qmukbw.exeC:\Users\Admin\AppData\Local\Temp\qmukbw.exe C:\Users\Admin\AppData\Local\Temp\cvkzbsi4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\SysWOW64\cmd.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\qmukbw.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/524-70-0x000000004AB90000-0x000000004ABDC000-memory.dmp
memory/524-71-0x00000000001C0000-0x00000000001EF000-memory.dmp
memory/524-72-0x0000000001EA0000-0x00000000021A3000-memory.dmp
memory/524-73-0x0000000001DF0000-0x0000000001E83000-memory.dmp
memory/1248-69-0x00000000061F0000-0x00000000062FD000-memory.dmp
memory/1248-74-0x00000000073D0000-0x000000000755D000-memory.dmp
memory/1664-54-0x0000000075341000-0x0000000075343000-memory.dmp
memory/1928-62-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1928-65-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1928-66-0x0000000000950000-0x0000000000C53000-memory.dmp
memory/1928-67-0x000000000041F000-0x0000000000420000-memory.dmp
memory/1928-68-0x0000000000280000-0x0000000000294000-memory.dmp