Analysis
- max time kernel
148s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
18/03/2022, 15:13
General
- Target Nueva orden de compra.exe
- Size 1.1MB
- Sample220318-slrb2sbbhj
- SHA256 cf5d0eb741adc67acf2cffbbef91fb030c94aca534d7a6b95efdbace11b4a62a
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 3 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.
- Enumerates system info in registry 2 TTPs 1 IoCs
- Modifies data under HKEY_USERS 1 IoCs
- Suspicious behavior: EnumeratesProcesses 44 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of WriteProcessMemory 18 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\Nueva orden de compra.exe"C:\Users\Admin\AppData\Local\Temp\Nueva orden de compra.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\skdevKtKXQ.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\skdevKtKXQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF24D.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\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- 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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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/224-140-0x000001AF75E60000-0x000001AF75E70000-memory.dmp
memory/224-142-0x000001AF78460000-0x000001AF78464000-memory.dmp
memory/224-141-0x000001AF75EC0000-0x000001AF75ED0000-memory.dmp
memory/816-138-0x0000000005690000-0x0000000005C34000-memory.dmp
memory/816-135-0x0000000000CB0000-0x0000000000DD8000-memory.dmp
memory/816-134-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/816-137-0x0000000005780000-0x0000000005812000-memory.dmp
memory/816-136-0x0000000005C40000-0x00000000061E4000-memory.dmp
memory/816-143-0x0000000009010000-0x00000000090AC000-memory.dmp
memory/816-139-0x0000000005830000-0x000000000583A000-memory.dmp
memory/2776-173-0x0000000009180000-0x00000000092BA000-memory.dmp
memory/2776-159-0x0000000008C00000-0x0000000008D0C000-memory.dmp
memory/4000-146-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4000-158-0x0000000001400000-0x0000000001414000-memory.dmp
memory/4000-157-0x0000000000F80000-0x00000000012CA000-memory.dmp
memory/4000-156-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4000-153-0x000000000041F000-0x0000000000420000-memory.dmp
memory/4384-155-0x0000000002282000-0x0000000002283000-memory.dmp
memory/4384-166-0x0000000070250000-0x000000007029C000-memory.dmp
memory/4384-152-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/4384-151-0x00000000054C0000-0x0000000005526000-memory.dmp
memory/4384-150-0x0000000004BF0000-0x0000000004C56000-memory.dmp
memory/4384-148-0x0000000004A50000-0x0000000004A72000-memory.dmp
memory/4384-147-0x0000000004CA0000-0x00000000052C8000-memory.dmp
memory/4384-160-0x0000000005990000-0x00000000059AE000-memory.dmp
memory/4384-177-0x0000000007140000-0x0000000007148000-memory.dmp
memory/4384-176-0x0000000007160000-0x000000000717A000-memory.dmp
memory/4384-175-0x0000000007050000-0x000000000705E000-memory.dmp
memory/4384-164-0x0000000002285000-0x0000000002287000-memory.dmp
memory/4384-165-0x00000000060E0000-0x0000000006112000-memory.dmp
memory/4384-154-0x0000000002280000-0x0000000002281000-memory.dmp
memory/4384-167-0x00000000060C0000-0x00000000060DE000-memory.dmp
memory/4384-168-0x000000007F2D0000-0x000000007F2D1000-memory.dmp
memory/4384-169-0x0000000007460000-0x0000000007ADA000-memory.dmp
memory/4384-170-0x0000000005F10000-0x0000000005F2A000-memory.dmp
memory/4384-171-0x0000000006E90000-0x0000000006E9A000-memory.dmp
memory/4384-174-0x0000000007090000-0x0000000007126000-memory.dmp
memory/4384-144-0x00000000021E0000-0x0000000002216000-memory.dmp
memory/4656-172-0x0000000001480000-0x0000000001513000-memory.dmp
memory/4656-163-0x0000000001630000-0x000000000197A000-memory.dmp
memory/4656-162-0x0000000000E70000-0x0000000000E9F000-memory.dmp
memory/4656-161-0x0000000000310000-0x000000000031A000-memory.dmp