Analysis
- max time kernel
148s - max time network
151s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
22/02/2022, 09:28
General
- Target JP181213001.exe
- Size 248KB
- Sample220222-lfb7lsgcfp
- SHA256 ff3e94ded64b43f620ba549db99baa31abdd763209b60f7c9fc884b82cfac6d3
Malware Config
Extracted
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formbook
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4.1
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d1s8
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xn--hy1b43d3xk9tap20a7jq.com
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ratedbinoculars.com
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g1rawat.com
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solten.online
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rawmaterialsadvisory.com
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bulkbackhauls.com
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oldartbooks.com
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turtletraxontopsailbeach.com
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onedollarlights.com
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iamhwh.com
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yiyue10000.com
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denisepishgam.com
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67ys.net
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secretparisguide.com
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stephaniesews.com
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rubiasytostadas.com
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azizyagraphics.com
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magicmea.com
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villatradin.com
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icatsles.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
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 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.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 30 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\JP181213001.exe"C:\Users\Admin\AppData\Local\Temp\JP181213001.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\gdtvllu.exeC:\Users\Admin\AppData\Local\Temp\gdtvllu.exe C:\Users\Admin\AppData\Local\Temp\eitjyct3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\gdtvllu.exeC:\Users\Admin\AppData\Local\Temp\gdtvllu.exe C:\Users\Admin\AppData\Local\Temp\eitjyct4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\SysWOW64\ipconfig.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:\Users\Admin\AppData\Local\Temp\gdtvllu.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/472-62-0x00000000003C0000-0x00000000003C2000-memory.dmp
memory/560-66-0x0000000000400000-0x000000000042F000-memory.dmp
memory/560-63-0x0000000000400000-0x000000000042F000-memory.dmp
memory/560-67-0x0000000000810000-0x0000000000B13000-memory.dmp
memory/560-68-0x000000000041F000-0x0000000000420000-memory.dmp
memory/560-69-0x00000000002C0000-0x00000000002D5000-memory.dmp
memory/832-54-0x0000000075891000-0x0000000075893000-memory.dmp
memory/1416-70-0x0000000006360000-0x0000000006437000-memory.dmp
memory/1416-76-0x0000000006F70000-0x00000000070E3000-memory.dmp
memory/1840-72-0x0000000000530000-0x000000000053A000-memory.dmp
memory/1840-73-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/1840-74-0x00000000021B0000-0x00000000024B3000-memory.dmp
memory/1840-75-0x0000000000540000-0x00000000005D4000-memory.dmp