Analysis
- max time kernel
153s - max time network
161s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
06/03/2022, 17:14
General
- Target 97236-71303032022-pdf.exe
- Size 333KB
- Sample220306-vrz79aeehl
- SHA256 52497f0956bd4d1e6467e37ed7d62a26844bada17eebfa05422d1eaacb0b3899
Malware Config
Extracted
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xloader
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2.5
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nqs9
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lgingood.com
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shopgeti.com
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christianuomo.com
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sportsxuk.com
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markidesignstore.com
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tjhuoliao.com
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docomobb.xyz
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ilrespirodelmare.com
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kfconline.rest
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paramusrepair.com
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w3zand.com
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unguamtruppe.quest
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bethesdagardensloveland.net
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bostonstretchlimousine.com
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yycsmj.net
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creatorgela.com
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bestalcoholfreebeer.com
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jorgeforfr.com
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dlzxd.com
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rajaranicoupon.xyz
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 2 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: 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 22 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\97236-71303032022-pdf.exe"C:\Users\Admin\AppData\Local\Temp\97236-71303032022-pdf.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\jywpusl.exeC:\Users\Admin\AppData\Local\Temp\jywpusl.exe C:\Users\Admin\AppData\Local\Temp\rtdigxodcs3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\jywpusl.exeC:\Users\Admin\AppData\Local\Temp\jywpusl.exe C:\Users\Admin\AppData\Local\Temp\rtdigxodcs4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.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\jywpusl.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/684-69-0x00000000001C0000-0x00000000001D1000-memory.dmp
memory/684-63-0x0000000000400000-0x0000000000429000-memory.dmp
memory/684-68-0x000000000041D000-0x000000000041E000-memory.dmp
memory/684-67-0x0000000000860000-0x0000000000B63000-memory.dmp
memory/1040-72-0x00000000008A0000-0x00000000008AE000-memory.dmp
memory/1040-73-0x0000000000130000-0x0000000000159000-memory.dmp
memory/1040-74-0x0000000002060000-0x0000000002363000-memory.dmp
memory/1040-75-0x00000000003A0000-0x0000000000430000-memory.dmp
memory/1448-70-0x00000000071C0000-0x000000000730B000-memory.dmp
memory/1448-76-0x0000000008F10000-0x000000000907C000-memory.dmp
memory/1556-64-0x00000000000E0000-0x00000000000E2000-memory.dmp
memory/1804-55-0x0000000075831000-0x0000000075833000-memory.dmp