Analysis
- max time kernel
157s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
09/02/2022, 16:54
General
- Target prueba de pago.exe
- Size 827KB
- Sample220209-vejpqsbbfn
- SHA256 4339504bc2ed58024692ebf1d7d3c02e9d5672a670136f97767f5e30fff831e0
Malware Config
Extracted
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formbook
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4.1
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gn27
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perilunevc.com
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kantogaming.com
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stageyor.online
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jixsux.site
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dingmei2020.icu
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savagesupplyco.com
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deadstockllc.com
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leyandfey.com
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zjn22558800.com
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projectupskill.net
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outliersresearch.com
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spaced.community
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zschengbangzx.com
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5gxzxxtax-ety7f.biz
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iq0xe.com
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6388xp9xg9k.com
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hengyungdzz.com
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retrosale.com
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echt.global
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canceltotalav.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 4 IoCs
- Drops file in Windows directory 8 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 64 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 WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\prueba de pago.exe"C:\Users\Admin\AppData\Local\Temp\prueba de pago.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- 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\EtIHlHzxsVpYue.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EtIHlHzxsVpYue" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A42.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
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C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- 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 wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/860-136-0x000002519B920000-0x000002519B930000-memory.dmp
memory/860-138-0x000002519E030000-0x000002519E034000-memory.dmp
memory/860-137-0x000002519B980000-0x000002519B990000-memory.dmp
memory/1056-164-0x0000000007220000-0x00000000072B6000-memory.dmp
memory/1056-156-0x00000000049F5000-0x00000000049F7000-memory.dmp
memory/1056-157-0x0000000006260000-0x0000000006292000-memory.dmp
memory/1056-167-0x00000000072C0000-0x00000000072C8000-memory.dmp
memory/1056-166-0x00000000072E0000-0x00000000072FA000-memory.dmp
memory/1056-165-0x00000000071D0000-0x00000000071DE000-memory.dmp
memory/1056-140-0x0000000002380000-0x00000000023B6000-memory.dmp
memory/1056-163-0x0000000007010000-0x000000000701A000-memory.dmp
memory/1056-162-0x000000007F080000-0x000000007F081000-memory.dmp
memory/1056-143-0x0000000005030000-0x0000000005658000-memory.dmp
memory/1056-144-0x0000000074F6E000-0x0000000074F6F000-memory.dmp
memory/1056-145-0x00000000049F0000-0x00000000049F1000-memory.dmp
memory/1056-146-0x00000000049F2000-0x00000000049F3000-memory.dmp
memory/1056-147-0x0000000004CD0000-0x0000000004CF2000-memory.dmp
memory/1056-148-0x0000000004F70000-0x0000000004FD6000-memory.dmp
memory/1056-149-0x0000000005660000-0x00000000056C6000-memory.dmp
memory/1056-151-0x0000000005C90000-0x0000000005CAE000-memory.dmp
memory/1056-161-0x0000000006FA0000-0x0000000006FBA000-memory.dmp
memory/1056-160-0x00000000075E0000-0x0000000007C5A000-memory.dmp
memory/1056-159-0x0000000006240000-0x000000000625E000-memory.dmp
memory/1056-158-0x0000000071820000-0x000000007186C000-memory.dmp
memory/1512-175-0x00000000021A0000-0x0000000002233000-memory.dmp
memory/1512-174-0x0000000002500000-0x000000000284A000-memory.dmp
memory/1512-173-0x0000000000420000-0x000000000044F000-memory.dmp
memory/1512-172-0x0000000000D70000-0x0000000000D86000-memory.dmp
memory/2712-171-0x0000000007E10000-0x0000000007F7A000-memory.dmp
memory/2712-176-0x0000000007F80000-0x0000000008018000-memory.dmp
memory/2712-155-0x0000000007CE0000-0x0000000007DAC000-memory.dmp
memory/3176-132-0x0000000005980000-0x0000000005A12000-memory.dmp
memory/3176-133-0x0000000074F6E000-0x0000000074F6F000-memory.dmp
memory/3176-134-0x0000000005970000-0x000000000597A000-memory.dmp
memory/3176-139-0x0000000007DC0000-0x0000000007E5C000-memory.dmp
memory/3176-130-0x0000000000EE0000-0x0000000000FB6000-memory.dmp
memory/3176-135-0x0000000005930000-0x0000000005931000-memory.dmp
memory/3176-131-0x0000000005E90000-0x0000000006434000-memory.dmp
memory/3360-170-0x0000000003110000-0x0000000003124000-memory.dmp
memory/3360-169-0x000000000041F000-0x0000000000420000-memory.dmp
memory/3360-142-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3360-152-0x0000000001370000-0x00000000016BA000-memory.dmp
memory/3360-153-0x000000000041F000-0x0000000000420000-memory.dmp
memory/3360-168-0x0000000000400000-0x000000000042F000-memory.dmp
memory/3360-154-0x0000000001790000-0x00000000017A4000-memory.dmp