Analysis
- max time kernel
163s - max time network
164s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
30/11/2022, 15:21
General
- Target vbc.exe
- Size 572KB
- Sample221130-srdcdaed7y
- SHA256 71ea65acce74b5793f509989efe2b9dee25d7700f6d52aeb07e321ad2ebe0b59
Malware Config
Extracted
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formbook
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4.1
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g2fg
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snowcrash.website
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pointman.us
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newheartvalve.care
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drandl.com
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sandspringsramblers.com
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programagubernamental.online
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boja.us
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mvrsnike.com
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mentallyillmotherhood.com
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facom.us
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programagubernamental.store
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izivente.com
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roller-v.fr
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amazonbioactives.com
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metaverseapple.xyz
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5gt-mobilevsverizon.com
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gtwebsolutions.co
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scottdunn.life
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usdp.trade
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pikmin.run
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- 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.
- Suspicious behavior: EnumeratesProcesses 38 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PSjwKGB.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PSjwKGB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB7.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"3⤵
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.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\vbc.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpDB7.tmp
memory/1440-165-0x00000000060F0000-0x000000000610A000-memory.dmp
memory/1440-144-0x0000000004D30000-0x0000000005358000-memory.dmp
memory/1440-169-0x0000000006F80000-0x0000000006F8E000-memory.dmp
memory/1440-170-0x0000000007090000-0x00000000070AA000-memory.dmp
memory/1440-140-0x0000000000C80000-0x0000000000CB6000-memory.dmp
memory/1440-166-0x0000000006DC0000-0x0000000006DCA000-memory.dmp
memory/1440-171-0x0000000007070000-0x0000000007078000-memory.dmp
memory/1440-164-0x0000000007400000-0x0000000007A7A000-memory.dmp
memory/1440-168-0x0000000006FD0000-0x0000000007066000-memory.dmp
memory/1440-162-0x0000000005FB0000-0x0000000005FCE000-memory.dmp
memory/1440-161-0x00000000719A0000-0x00000000719EC000-memory.dmp
memory/1440-160-0x0000000005FD0000-0x0000000006002000-memory.dmp
memory/1440-149-0x00000000049F0000-0x0000000004A12000-memory.dmp
memory/1440-150-0x0000000005360000-0x00000000053C6000-memory.dmp
memory/1440-151-0x0000000005440000-0x00000000054A6000-memory.dmp
memory/1440-158-0x0000000005910000-0x000000000592E000-memory.dmp
memory/2236-153-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2236-147-0x00000000011E0000-0x00000000011F4000-memory.dmp
memory/2236-143-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2236-146-0x0000000001280000-0x00000000015CA000-memory.dmp
memory/3044-172-0x00000000077F0000-0x00000000078D9000-memory.dmp
memory/3044-163-0x00000000077F0000-0x00000000078D9000-memory.dmp
memory/3044-148-0x0000000007710000-0x00000000077E1000-memory.dmp
memory/4228-159-0x00000000017A0000-0x0000000001833000-memory.dmp
memory/4228-157-0x0000000000F50000-0x0000000000F7F000-memory.dmp
memory/4228-156-0x00000000019C0000-0x0000000001D0A000-memory.dmp
memory/4228-167-0x0000000000F50000-0x0000000000F7F000-memory.dmp
memory/4228-155-0x00000000007E0000-0x00000000007F7000-memory.dmp
memory/4644-132-0x0000000000510000-0x00000000005A6000-memory.dmp
memory/4644-136-0x0000000008C40000-0x0000000008CDC000-memory.dmp
memory/4644-135-0x0000000004F50000-0x0000000004F5A000-memory.dmp
memory/4644-134-0x0000000004F80000-0x0000000005012000-memory.dmp
memory/4644-133-0x0000000005490000-0x0000000005A34000-memory.dmp