Analysis
- max time kernel
146s - max time network
145s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
07/10/2021, 16:52
General
- Target PO.exe
- Size 1010KB
- Sample211007-vdfaxschgr
- SHA256 4e7de7114cb5947cee9d0f5fa60f4ad2be8db68364a4f8f4b1a6ca4f5fe1a4ee
Malware Config
Extracted
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formbook
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4.1
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odse
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http://www.guncelekspres.com/odse/
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braedlifestyle.com
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morganjohnsondesign.online
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surup-v48.club
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diypoolpaint.sydney
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v-b7026-ghhh.space
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vetyvar.com
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lollydaisy.com
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campsitesurvival.com
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autocalibre.com
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fusiontech3d.com
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xn--udkog0cvez259c82sa.xyz
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eccentricartist.com
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jc-zg.com
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wacwin.com
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livehealthychoice.com
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visijuara.com
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phigsa.com
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sabayawork.com
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afcerd.com
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joeyshousesessions.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 4 IoCs
- Suspicious use of SetThreadContext 4 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
- Suspicious behavior: EnumeratesProcesses 24 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hHelUqhvdQvu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C5A.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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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/636-65-0x00000000008A0000-0x0000000000BA3000-memory.dmp
memory/636-67-0x00000000002F0000-0x0000000000304000-memory.dmp
memory/636-69-0x00000000003C0000-0x00000000003D4000-memory.dmp
memory/636-68-0x0000000000400000-0x000000000042E000-memory.dmp
memory/636-60-0x0000000000400000-0x000000000042E000-memory.dmp
memory/636-61-0x0000000000400000-0x000000000042E000-memory.dmp
memory/636-62-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1288-70-0x0000000006AD0000-0x0000000006BFE000-memory.dmp
memory/1288-66-0x00000000069A0000-0x0000000006ACA000-memory.dmp
memory/1288-77-0x0000000007B90000-0x0000000007CAC000-memory.dmp
memory/1696-58-0x0000000004DB0000-0x0000000004E01000-memory.dmp
memory/1696-56-0x00000000009E0000-0x00000000009E1000-memory.dmp
memory/1696-53-0x0000000001060000-0x0000000001061000-memory.dmp
memory/1696-55-0x00000000767F1000-0x00000000767F3000-memory.dmp
memory/1696-57-0x0000000000580000-0x0000000000591000-memory.dmp
memory/2020-72-0x0000000000570000-0x0000000000577000-memory.dmp
memory/2020-75-0x0000000001EE0000-0x00000000021E3000-memory.dmp
memory/2020-76-0x0000000001D90000-0x0000000001E23000-memory.dmp
memory/2020-73-0x0000000000080000-0x00000000000AE000-memory.dmp