Analysis
- max time kernel
150s - max time network
147s - platform
windows7_x64 - resource
win7-en-20211104 - submitted
10/11/2021, 07:59
General
- Target PO.exe
- Size 558KB
- Sample211110-jvd9eagee7
- SHA256 2a9f1febdc4e074beaa1b6b761d09900377204da7a9f1cdba39284d568e2ddc8
Malware Config
Extracted
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xloader
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2.5
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bcwg
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http://www.golfyouth.com/bcwg/
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sonoranoasisarizona.com
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islands.sbs
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497591.com
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linuxsauce.com
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warungbangtejo.com
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kenhthucung.com
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xn--2e0br59a7ucquav02b.com
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matkinmarketing.com
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consofreight.com
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mbljs.com
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drosteroe.quest
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spinez.net
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cngroupofcompanies.com
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tyykc.com
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xn--c3c5cwbb6iczd.com
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teamsportsco.com
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piperskara.quest
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solanapiranhas.com
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indiaglobalawarenesscodeday.com
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nutriprofitspro.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 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 31 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 18 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\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.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\PO.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/584-69-0x0000000000600000-0x0000000000690000-memory.dmp
memory/584-67-0x00000000000D0000-0x00000000000F9000-memory.dmp
memory/584-68-0x0000000001FE0000-0x00000000022E3000-memory.dmp
memory/584-66-0x0000000000710000-0x0000000000728000-memory.dmp
memory/1160-61-0x00000000005A0000-0x00000000005B1000-memory.dmp
memory/1160-60-0x0000000000700000-0x0000000000A03000-memory.dmp
memory/1160-57-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1212-62-0x0000000005FB0000-0x0000000006128000-memory.dmp
memory/1212-70-0x0000000006200000-0x00000000062BE000-memory.dmp
memory/1724-55-0x0000000075D01000-0x0000000075D03000-memory.dmp