Analysis
- max time kernel
147s - max time network
134s - platform
windows7_x64 - resource
win7-20220331-en - submitted
12/04/2022, 12:20
General
- Target dekont.exe
- Size 234KB
- Sample220412-phs5pabdap
- SHA256 c767db1d9bb5f369f3a2d395412c98f71de29cf829800a2494a2c0dec8e4a57f
Malware Config
Extracted
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formbook
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4.1
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mh76
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healthgovcalottery.net
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wenxinliao.com
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rooterphd.com
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bbobbo.one
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american-mes-de-dezembro.xyz
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mintager.com
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thespecialtstore.com
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wemakegreenhomes.com
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occurandmental.xyz
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fidelityrealtytitle.com
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numerisat.asia
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wearestallions.com
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supxl.com
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rajacumi.com
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renaziv.online
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blixtindustries.com
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fjljq.com
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exploretrivenicamping.com
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authenticusspa.com
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uucloud.press
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
- 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.
- Suspicious behavior: EnumeratesProcesses 27 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 use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\dekont.exe"C:\Users\Admin\AppData\Local\Temp\dekont.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\osqihihwa.exeC:\Users\Admin\AppData\Local\Temp\osqihihwa.exe C:\Users\Admin\AppData\Local\Temp\wxuluwqqid3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\osqihihwa.exeC:\Users\Admin\AppData\Local\Temp\osqihihwa.exe C:\Users\Admin\AppData\Local\Temp\wxuluwqqid4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\systray.exe"C:\Windows\SysWOW64\systray.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\osqihihwa.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
921ll2enr4lqqc
osqihihwa.exe
osqihihwa.exe
osqihihwa.exe
wxuluwqqid
osqihihwa.exe
osqihihwa.exe
memory/1252-70-0x0000000004410000-0x00000000044F6000-memory.dmp
memory/1252-77-0x0000000004B30000-0x0000000004BD0000-memory.dmp
memory/1552-54-0x0000000075341000-0x0000000075343000-memory.dmp
memory/2016-73-0x00000000000F0000-0x00000000000F5000-memory.dmp
memory/2016-74-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2016-75-0x0000000001ED0000-0x00000000021D3000-memory.dmp
memory/2016-76-0x0000000001DD0000-0x0000000001E64000-memory.dmp
memory/2036-69-0x0000000000430000-0x0000000000445000-memory.dmp
memory/2036-68-0x0000000000880000-0x0000000000B83000-memory.dmp
memory/2036-67-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2036-63-0x0000000000400000-0x000000000042F000-memory.dmp