Analysis
- max time kernel
146s - max time network
181s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
15/10/2021, 12:35
General
- Target triage_dropped_file.exe
- Size 337KB
- Sample211015-psc68abfcp
- SHA256 d567a6e6ac075533ef1960033ab07c0afed9638c785ccb3a9461195785ac9636
Malware Config
Extracted
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xloader
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2.5
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fqiq
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http://www.esyscoloradosprings.com/fqiq/
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driventow.com
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ipatchwork.today
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bolder.equipment
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seal-brother.com
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mountlaketerraceapartments.com
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weeden.xyz
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sanlifalan.com
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athafood.com
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isshinn1.com
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creationslazzaroni.com
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eclecticrenaissancewoman.com
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satellitephonstore.com
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cotchildcare.com
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yamacorp.digital
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ff4cuno43.xyz
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quicksticks.community
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govindfinance.com
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farmersfirstseed.com
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megacinema.club
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tablescaperendezvous4two.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Xloader Payload 3 IoCs
- Deletes itself 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 20 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 15 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\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Windows\SysWOW64\cmmon32.exe"C:\Windows\SysWOW64\cmmon32.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\triage_dropped_file.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1152-55-0x00000000767F1000-0x00000000767F3000-memory.dmp
memory/1152-56-0x00000000002E0000-0x00000000002E5000-memory.dmp
memory/1152-57-0x0000000005020000-0x0000000005021000-memory.dmp
memory/1152-58-0x0000000000800000-0x000000000084B000-memory.dmp
memory/1152-53-0x0000000000FD0000-0x0000000000FD1000-memory.dmp
memory/1288-66-0x00000000069A0000-0x0000000006B44000-memory.dmp
memory/1288-73-0x0000000008D20000-0x0000000008E94000-memory.dmp
memory/1300-69-0x00000000001F0000-0x00000000001FD000-memory.dmp
memory/1300-71-0x0000000001F60000-0x0000000002263000-memory.dmp
memory/1300-70-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/1300-72-0x0000000000310000-0x00000000003A0000-memory.dmp
memory/1892-65-0x00000000002D0000-0x00000000002E1000-memory.dmp
memory/1892-64-0x0000000000850000-0x0000000000B53000-memory.dmp
memory/1892-61-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1892-60-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1892-59-0x0000000000400000-0x0000000000429000-memory.dmp