Analysis
- max time kernel
151s - max time network
158s - platform
windows10_x64 - resource
win10v20210408 - 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 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 44 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of UnmapMainImage 1 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 UnmapMainImage
- 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\tmp635E.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\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
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Downloads
memory/656-114-0x00000000008C0000-0x00000000008C1000-memory.dmp
memory/656-116-0x0000000005860000-0x0000000005861000-memory.dmp
memory/656-117-0x0000000005360000-0x0000000005361000-memory.dmp
memory/656-118-0x0000000005360000-0x000000000585E000-memory.dmp
memory/656-119-0x0000000005330000-0x0000000005331000-memory.dmp
memory/656-120-0x0000000005590000-0x00000000055A1000-memory.dmp
memory/656-121-0x0000000007760000-0x0000000007761000-memory.dmp
memory/656-122-0x0000000007990000-0x00000000079E1000-memory.dmp
memory/1924-124-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1924-128-0x0000000001150000-0x0000000001164000-memory.dmp
memory/1924-127-0x00000000017E0000-0x0000000001B00000-memory.dmp
memory/2128-132-0x0000000000FF0000-0x0000000000FFB000-memory.dmp
memory/2128-133-0x0000000000E90000-0x0000000000EBE000-memory.dmp
memory/2128-134-0x0000000003790000-0x0000000003AB0000-memory.dmp
memory/2128-135-0x00000000034F0000-0x0000000003583000-memory.dmp
memory/3060-129-0x0000000006CD0000-0x0000000006E54000-memory.dmp
memory/3060-136-0x0000000003490000-0x0000000003546000-memory.dmp