Analysis
- max time kernel
148s - max time network
145s - platform
windows10_x64 - resource
win10-en - submitted
15/09/2021, 11:44
General
- Target Quote#56432.exe
- Size 537KB
- Sample210915-nv55caafa6
- SHA256 97ea895e92f76192010e02f12aca8ec4ffa1b667e84c9958332d280ced624402
Malware Config
Extracted
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formbook
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4.1
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vd9n
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http://www.constructioncleanup.pro/vd9n/
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theunwrappedcollective.com
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seckj-ic.com
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tyresandover.com
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thetrophyworld.com
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fonggrconstruction.com
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hopiproject.com
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sktitle.com
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charlotteobscurer.com
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qjuhe.com
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girlzglitter.com
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createmylawn.com
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hempcbgpill.com
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zzdfdzkj.com
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shreehariessential.com
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226sm.com
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getcupscall.com
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neuralviolin.com
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sanskaar.life
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xn--fhqrm54yyukopc.com
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togetherx4fantasy5star.today
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 44 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of FindShellTrayWindow 8 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Quote#56432.exe"C:\Users\Admin\AppData\Local\Temp\Quote#56432.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ySWmXEgh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C57.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2532-130-0x00000000006E0000-0x000000000079C000-memory.dmp
memory/2532-137-0x0000000005730000-0x0000000005891000-memory.dmp
memory/4736-117-0x0000000004FF0000-0x0000000004FF1000-memory.dmp
memory/4736-118-0x0000000004AF0000-0x0000000004AF1000-memory.dmp
memory/4736-119-0x0000000004AF0000-0x0000000004FEE000-memory.dmp
memory/4736-120-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
memory/4736-121-0x0000000004CC0000-0x0000000004CC7000-memory.dmp
memory/4736-122-0x0000000007F90000-0x0000000007F91000-memory.dmp
memory/4736-123-0x0000000008130000-0x00000000081A6000-memory.dmp
memory/4736-124-0x000000000A8C0000-0x000000000A906000-memory.dmp
memory/4736-115-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/4884-126-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4884-128-0x0000000001960000-0x0000000001C80000-memory.dmp
memory/4884-129-0x00000000013A0000-0x000000000144E000-memory.dmp
memory/4944-132-0x0000000001120000-0x000000000112B000-memory.dmp
memory/4944-134-0x0000000000CC0000-0x0000000000FE0000-memory.dmp
memory/4944-133-0x0000000000600000-0x000000000062E000-memory.dmp
memory/4944-136-0x0000000000BD0000-0x0000000000C63000-memory.dmp