Analysis
- max time kernel
149s - max time network
140s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
- submitted
14/10/2022, 14:39
General
- Target DHL Shipment Notification_pdf.exe
- Size 430KB
- Sample221014-rz96msdfd6
- SHA256 205e6c6df8dffec4ab2525d317bf4f0b79ab0fd4c84b197ec8555adcf8f15e40
Malware Config
Extracted
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formbook
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4.1
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g28p
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whhmgs.asia
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wellmedcaredirect.net
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beggarded.com
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wtpjiv.site
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todo-celulares.com
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parkitny.net
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43345.top
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pro-genie.com
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cwdxz.com
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cbc-inc.xyz
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healthspots.net
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rulil.top
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pyramidaudit.solutions
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k8sb15.live
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hempaware.report
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usclink.life
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stayefs.net
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05262.top
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shop-izakaya-jin.com
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iccworldcupnews.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 2 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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.
- Suspicious behavior: EnumeratesProcesses 27 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 17 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\DHL Shipment Notification_pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification_pdf.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vchvt.exe"C:\Users\Admin\AppData\Local\Temp\vchvt.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vchvt.exe"C:\Users\Admin\AppData\Local\Temp\vchvt.exe"4⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\control.exe"C:\Windows\SysWOW64\control.exe"2⤵
- Suspicious use of SetThreadContext
- 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\vchvt.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gqxstdq.u
nlmfwfbsxy.cns
vchvt.exe
vchvt.exe
vchvt.exe
vchvt.exe
vchvt.exe
memory/344-71-0x0000000000360000-0x000000000037F000-memory.dmp
memory/344-76-0x00000000000C0000-0x00000000000EF000-memory.dmp
memory/344-74-0x0000000001D00000-0x0000000001D93000-memory.dmp
memory/344-73-0x0000000001E00000-0x0000000002103000-memory.dmp
memory/344-72-0x00000000000C0000-0x00000000000EF000-memory.dmp
memory/956-54-0x0000000076561000-0x0000000076563000-memory.dmp
memory/1192-66-0x0000000000190000-0x00000000001A4000-memory.dmp
memory/1192-65-0x0000000000A30000-0x0000000000D33000-memory.dmp
memory/1396-67-0x0000000006A90000-0x0000000006BB1000-memory.dmp
memory/1396-75-0x0000000006C40000-0x0000000006D6A000-memory.dmp
memory/1396-77-0x0000000006C40000-0x0000000006D6A000-memory.dmp