Analysis
- max time kernel
152s - max time network
178s - platform
windows7_x64 - resource
win7v20210408 - submitted
07/10/2021, 15:55
General
- Target Untitled attachment 00075.exe
- Size 938KB
- Sample211007-tctlgschbk
- SHA256 a4bf92333fa0839d92c30859f87f08f91f988c35dd30227c2b4fe60e7188a4a2
Malware Config
Extracted
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formbook
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4.1
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n7ak
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http://www.kmresults.com/n7ak/
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modischoolcbse.com
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theneverwinter.com
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rszkjx-vps-hosting.website
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fnihil.com
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1pbet.com
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nnowzscorrez.com
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uaotgvjl.icu
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starmapsqatar.com
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ekisilani.com
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extradeepsheets.com
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jam-nins.com
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buranly.com
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orixentertainment.com
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rawtech.energy
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myol.guru
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utex.club
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jiapie.com
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wowig.store
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wweidlyyl.com
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systaskautomation.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 4 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 27 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Users\Admin\AppData\Local\Temp\Untitled attachment 00075.exe"C:\Users\Admin\AppData\Local\Temp\Untitled attachment 00075.exe"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mobsync.exeC:\Windows\System32\mobsync.exe3⤵
- 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\systray.exe"C:\Windows\SysWOW64\systray.exe"4⤵
- 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:\Windows\SysWOW64\mobsync.exe"5⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1228-73-0x0000000004F40000-0x0000000005020000-memory.dmp
memory/1228-83-0x0000000006470000-0x0000000006557000-memory.dmp
memory/1228-76-0x00000000067D0000-0x0000000006924000-memory.dmp
memory/1512-75-0x0000000000230000-0x0000000000244000-memory.dmp
memory/1512-64-0x0000000000080000-0x0000000000081000-memory.dmp
memory/1512-68-0x0000000000090000-0x0000000000091000-memory.dmp
memory/1512-69-0x0000000072480000-0x00000000724AE000-memory.dmp
memory/1512-72-0x00000000001F0000-0x0000000000204000-memory.dmp
memory/1512-71-0x0000000002350000-0x0000000002653000-memory.dmp
memory/1512-63-0x0000000072480000-0x00000000724AE000-memory.dmp
memory/1512-74-0x0000000072480000-0x00000000724AE000-memory.dmp
memory/1800-80-0x0000000000080000-0x00000000000AE000-memory.dmp
memory/1800-79-0x0000000000860000-0x0000000000865000-memory.dmp
memory/1800-81-0x00000000020D0000-0x00000000023D3000-memory.dmp
memory/1800-82-0x0000000000750000-0x00000000007E3000-memory.dmp
memory/1908-62-0x00000000003A1000-0x00000000003B5000-memory.dmp
memory/1908-60-0x0000000075B31000-0x0000000075B33000-memory.dmp
memory/1908-61-0x00000000002C0000-0x00000000002C1000-memory.dmp