Analysis
- max time kernel
150s - max time network
151s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
14/02/2022, 03:28
General
- Target DHL Shipment_xlsx.exe
- Size 290KB
- Sample220214-d1cd4seca8
- SHA256 a83afdd193623f46ac870f04455f2176d64466c5e2d3cd92eda0498de29f0417
Malware Config
Extracted
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formbook
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4.1
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by73
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advertencys.info
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printableminis.com
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mjahpr.icu
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workremotehome.com
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es-dailynews.info
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zaryard.com
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your-bakemark.com
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metalypsis.com
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primehomerealtyut.com
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turbantechie.com
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dd-mhgj.com
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earnwithcryptocurrency.com
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xn--8dbh2c.com
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trainopia.com
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plysec.xyz
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avis-tente.com
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pitabel.com
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gabriannanails.com
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thebipolarpenguin.com
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alumistarcomponentes.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- 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 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 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\DHL Shipment_xlsx.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment_xlsx.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uhdabgqf.exeC:\Users\Admin\AppData\Local\Temp\uhdabgqf.exe C:\Users\Admin\AppData\Local\Temp\sbdjq3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\uhdabgqf.exeC:\Users\Admin\AppData\Local\Temp\uhdabgqf.exe C:\Users\Admin\AppData\Local\Temp\sbdjq4⤵
- Executes dropped EXE
- 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:\Users\Admin\AppData\Local\Temp\uhdabgqf.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/516-62-0x0000000000230000-0x0000000000232000-memory.dmp
memory/620-72-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/620-71-0x0000000000550000-0x0000000000559000-memory.dmp
memory/620-73-0x0000000002050000-0x0000000002353000-memory.dmp
memory/620-74-0x0000000000560000-0x00000000005F3000-memory.dmp
memory/760-63-0x0000000000400000-0x000000000042F000-memory.dmp
memory/760-66-0x0000000000400000-0x000000000042F000-memory.dmp
memory/760-68-0x000000000041F000-0x0000000000420000-memory.dmp
memory/760-67-0x0000000000700000-0x0000000000A03000-memory.dmp
memory/760-69-0x0000000000590000-0x00000000005A4000-memory.dmp
memory/1200-70-0x0000000003850000-0x0000000003953000-memory.dmp
memory/1200-75-0x0000000007490000-0x000000000761C000-memory.dmp
memory/1588-55-0x0000000075321000-0x0000000075323000-memory.dmp