Analysis
- max time kernel
150s - max time network
141s - platform
windows7_x64 - resource
win7-20230712-en - resource tags
- submitted
02/08/2023, 09:19
General
- Target Ultratech Alfa PO NO.333.exe
- Size 246KB
- Sample230802-k96smsfa7t
- SHA256 190090b95e7c9b2410ceb2149bb1c4369550963e56693e331bda3d020a0018e2
Malware Config
Extracted
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formbook
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4.1
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sn26
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resenha10.bet
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gulshan-rajput.com
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xbus.tech
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z813my.cfd
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wlxzjlny.cfd
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auntengotiempo.com
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canada-reservation.com
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thegiftcompany.shop
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esthersilveirapropiedades.com
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1wapws.top
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ymjblnvo.cfd
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termokimik.net
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kushiro-artist-school.com
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bmmboo.com
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caceresconstructionservices.com
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kentuckywalkabout.com
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bringyourcart.com
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miamiwinetour.com
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bobcatsocial.site
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thirdmind.network
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 13 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\Ultratech Alfa PO NO.333.exe"C:\Users\Admin\AppData\Local\Temp\Ultratech Alfa PO NO.333.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\Ultratech Alfa PO NO.333.exe"C:\Users\Admin\AppData\Local\Temp\Ultratech Alfa PO NO.333.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.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\Ultratech Alfa PO NO.333.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
vimoa.dll
memory/1300-75-0x00000000070E0000-0x00000000071F5000-memory.dmp
memory/1300-90-0x000007FEFA180000-0x000007FEFA18A000-memory.dmp
memory/1300-89-0x000007FEF55C0000-0x000007FEF5703000-memory.dmp
memory/1300-86-0x000007FEF55C0000-0x000007FEF5703000-memory.dmp
memory/1300-65-0x0000000003570000-0x0000000003670000-memory.dmp
memory/1300-87-0x000007FEFA180000-0x000007FEFA18A000-memory.dmp
memory/1300-82-0x0000000007200000-0x0000000007360000-memory.dmp
memory/1300-67-0x00000000070E0000-0x00000000071F5000-memory.dmp
memory/1300-80-0x0000000007200000-0x0000000007360000-memory.dmp
memory/1300-79-0x0000000007200000-0x0000000007360000-memory.dmp
memory/1300-78-0x00000000039A0000-0x0000000003BA0000-memory.dmp
memory/2312-72-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2312-74-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2312-77-0x0000000001DE0000-0x0000000001E74000-memory.dmp
memory/2312-73-0x0000000001FC0000-0x00000000022C3000-memory.dmp
memory/2312-71-0x0000000000350000-0x0000000000357000-memory.dmp
memory/2312-68-0x0000000000350000-0x0000000000357000-memory.dmp
memory/2472-60-0x0000000000360000-0x0000000000362000-memory.dmp
memory/2912-66-0x0000000000340000-0x0000000000355000-memory.dmp
memory/2912-64-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2912-62-0x00000000008B0000-0x0000000000BB3000-memory.dmp
memory/2912-61-0x0000000000400000-0x000000000042F000-memory.dmp