Analysis
- max time kernel
148s - max time network
146s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
09/11/2021, 13:28
General
- Target Hoja de orden de compra.pdf.exe
- Size 377KB
- Sample211109-qqnqlscdcq
- SHA256 bf28fead8ec14ec9e464574a4dd67fec82af54f203787632e55e7899293666df
Malware Config
Extracted
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formbook
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4.1
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dv9n
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http://www.elianedefalco.com/dv9n/
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nblvqing.com
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delmegebuildingproducts.com
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xiongba8.com
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latuawebreputation.online
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nowcloud.tech
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cckghs.com
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tradeoo.ltd
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ppapo.com
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tphoaphuongdo.club
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whitefoxy.site
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bottle-sentences.net
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computersewa.com
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lushberryholidays.com
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motobotz.com
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shadurj.com
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amazonlexdeveloper.com
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shunli178.xyz
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sjzzlmh.com
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6eu09rp.xyz
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novinmes.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
- 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.
- Suspicious behavior: EnumeratesProcesses 47 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 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\Hoja de orden de compra.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Hoja de orden de compra.pdf.exe"2⤵
- 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\yWRbOT.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\yWRbOT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4756.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\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.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
Loading Replay Monitor...
Downloads
memory/1184-147-0x0000000001610000-0x0000000001624000-memory.dmp
memory/1184-146-0x0000000001710000-0x0000000001A30000-memory.dmp
memory/1184-134-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1360-391-0x0000000003500000-0x0000000003593000-memory.dmp
memory/1360-270-0x00000000037A0000-0x0000000003AC0000-memory.dmp
memory/1360-266-0x0000000000A60000-0x0000000000A6B000-memory.dmp
memory/1360-267-0x00000000032B0000-0x00000000032DF000-memory.dmp
memory/1432-139-0x0000000008200000-0x0000000008201000-memory.dmp
memory/1432-169-0x0000000009BA0000-0x0000000009BA1000-memory.dmp
memory/1432-132-0x0000000007120000-0x0000000007121000-memory.dmp
memory/1432-133-0x0000000007910000-0x0000000007911000-memory.dmp
memory/1432-129-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/1432-136-0x00000000077C0000-0x00000000077C1000-memory.dmp
memory/1432-137-0x0000000007F40000-0x0000000007F41000-memory.dmp
memory/1432-138-0x0000000007FB0000-0x0000000007FB1000-memory.dmp
memory/1432-238-0x000000007EF70000-0x000000007EF71000-memory.dmp
memory/1432-140-0x00000000072D0000-0x00000000072D1000-memory.dmp
memory/1432-141-0x00000000072D2000-0x00000000072D3000-memory.dmp
memory/1432-142-0x00000000080E0000-0x00000000080E1000-memory.dmp
memory/1432-144-0x0000000008A10000-0x0000000008A11000-memory.dmp
memory/1432-145-0x00000000088A0000-0x00000000088A1000-memory.dmp
memory/1432-239-0x00000000072D3000-0x00000000072D4000-memory.dmp
memory/1432-130-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/1432-168-0x00000000099F0000-0x00000000099F1000-memory.dmp
memory/1432-149-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/1432-156-0x00000000098C0000-0x00000000098F3000-memory.dmp
memory/1432-163-0x0000000009880000-0x0000000009881000-memory.dmp
memory/2156-148-0x0000000002EE0000-0x0000000002FB6000-memory.dmp
memory/2156-392-0x0000000007870000-0x00000000079F6000-memory.dmp
memory/2748-125-0x00000000056E0000-0x00000000056E1000-memory.dmp
memory/2748-126-0x0000000005780000-0x00000000057CC000-memory.dmp
memory/2748-118-0x00000000000D0000-0x00000000000D1000-memory.dmp
memory/2748-124-0x00000000048E0000-0x0000000004972000-memory.dmp
memory/2748-123-0x0000000004BC0000-0x0000000004BC7000-memory.dmp
memory/2748-122-0x0000000004970000-0x0000000004971000-memory.dmp
memory/2748-121-0x0000000004990000-0x0000000004991000-memory.dmp
memory/2748-120-0x0000000004E90000-0x0000000004E91000-memory.dmp