Analysis
- max time kernel
157s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-20220331-en - submitted
13/04/2022, 16:03
General
- Target art¡culos de orden de compra.pdf.exe
- Size 830KB
- Sample220413-thbmvsdbgn
- SHA256 97504b3dbc2dfe20922f3323f905aa9d4f5f440720cab63dd26c82f26f7d76a2
Malware Config
Extracted
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formbook
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4.1
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d2g7
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inviteonlyme.com
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noashopping.com
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raysyoutube.com
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chicagp.com
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brnguatemala.com
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speechboutique.com
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philippinepodcastdirectory.com
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konnecio.com
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9q1ng6.icu
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treez.info
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appleiclou.com
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pettras.com
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txherz.icu
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freearcae.com
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mindpetalsoftwaresolutions.com
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my-beautiful-switzerland.com
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hpzebike.online
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fadsekclub.xyz
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newcastledhaka.com
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varidsk.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Formbook Payload 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 49 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\art¡culos de orden de compra.pdf.exe"C:\Users\Admin\AppData\Local\Temp\art¡culos de orden de compra.pdf.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\YKIXrXdfzJS.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\YKIXrXdfzJS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp351A.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⤵
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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\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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp351A.tmp
memory/1116-162-0x0000000002C10000-0x0000000002D05000-memory.dmp
memory/1116-144-0x0000000008540000-0x000000000869B000-memory.dmp
memory/1464-152-0x0000000007510000-0x00000000075A6000-memory.dmp
memory/1464-147-0x0000000006530000-0x000000000654E000-memory.dmp
memory/1464-151-0x0000000007300000-0x000000000730A000-memory.dmp
memory/1464-150-0x0000000007290000-0x00000000072AA000-memory.dmp
memory/1464-132-0x00000000049E0000-0x0000000004A16000-memory.dmp
memory/1464-149-0x00000000078D0000-0x0000000007F4A000-memory.dmp
memory/1464-134-0x0000000005170000-0x0000000005798000-memory.dmp
memory/1464-148-0x0000000004B35000-0x0000000004B37000-memory.dmp
memory/1464-157-0x00000000075B0000-0x00000000075B8000-memory.dmp
memory/1464-156-0x00000000075D0000-0x00000000075EA000-memory.dmp
memory/1464-138-0x0000000004EC0000-0x0000000004EE2000-memory.dmp
memory/1464-139-0x0000000005890000-0x00000000058F6000-memory.dmp
memory/1464-146-0x0000000071040000-0x000000007108C000-memory.dmp
memory/1464-141-0x0000000005F90000-0x0000000005FAE000-memory.dmp
memory/1464-154-0x00000000074C0000-0x00000000074CE000-memory.dmp
memory/1464-145-0x0000000006F60000-0x0000000006F92000-memory.dmp
memory/2200-128-0x0000000004D00000-0x0000000004D0A000-memory.dmp
memory/2200-126-0x0000000004D40000-0x0000000004DD2000-memory.dmp
memory/2200-125-0x0000000005250000-0x00000000057F4000-memory.dmp
memory/2200-127-0x0000000004DE0000-0x0000000004E7C000-memory.dmp
memory/2200-129-0x0000000007100000-0x0000000007166000-memory.dmp
memory/2200-124-0x0000000000270000-0x0000000000346000-memory.dmp
memory/2464-158-0x0000000000480000-0x0000000000497000-memory.dmp
memory/2464-160-0x0000000001800000-0x0000000001B4A000-memory.dmp
memory/2464-159-0x0000000001060000-0x000000000108F000-memory.dmp
memory/2464-161-0x0000000001640000-0x00000000016D3000-memory.dmp
memory/4224-143-0x0000000000E80000-0x0000000000E94000-memory.dmp
memory/4224-142-0x0000000001360000-0x00000000016AA000-memory.dmp
memory/4224-137-0x0000000000400000-0x000000000042F000-memory.dmp