Analysis
- max time kernel
151s - max time network
151s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
25/01/2022, 11:10
General
- Target Invoice50001.doc.exe
- Size 411KB
- Sample220125-m9r1laefer
- SHA256 86fe5597dcc6944c5615838866eb7d68d212bc87200c9ea1a2e244755d8fe410
Malware Config
Extracted
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xloader
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2.5
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mwfc
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a-great-intl-voip-phones.zone
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police-trust-security.com
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415391.com
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coi-sl.com
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liming-steel.com
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criticalracetheoryexplained.com
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pintoent.com
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columbusrx.com
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clarktribe.net
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texasforblanchard.com
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musical.voyage
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priyamblogs.com
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employbridge.works
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americanchessmaster.com
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australiaaddictioncenters.com
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drkell-yann.xyz
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barryisdaner.com
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frankkystein.art
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aromatoto7.com
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alsuwal.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 4 IoCs
- Suspicious behavior: EnumeratesProcesses 20 IoCs
- Suspicious behavior: MapViewOfSection 6 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
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C:\Users\Admin\AppData\Local\Temp\Invoice50001.doc.exe"C:\Users\Admin\AppData\Local\Temp\Invoice50001.doc.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Invoice50001.doc.exe"C:\Users\Admin\AppData\Local\Temp\Invoice50001.doc.exe"3⤵
- 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\raserver.exe"C:\Windows\SysWOW64\raserver.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:\Users\Admin\AppData\Local\Temp\Invoice50001.doc.exe"5⤵
- Deletes itself
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1240-68-0x00000000002D0000-0x00000000002E1000-memory.dmp
memory/1240-67-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1240-66-0x0000000000290000-0x00000000002A1000-memory.dmp
memory/1240-60-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1240-61-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1240-62-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1240-64-0x0000000000960000-0x0000000000C63000-memory.dmp
memory/1412-65-0x0000000006B00000-0x0000000006C89000-memory.dmp
memory/1412-75-0x0000000004880000-0x000000000495F000-memory.dmp
memory/1412-69-0x00000000049E0000-0x0000000004AE0000-memory.dmp
memory/1516-59-0x0000000004420000-0x000000000447E000-memory.dmp
memory/1516-54-0x0000000000ED0000-0x0000000000F3C000-memory.dmp
memory/1516-58-0x000000007EF40000-0x000000007EF41000-memory.dmp
memory/1516-57-0x00000000004C0000-0x00000000004CE000-memory.dmp
memory/1516-56-0x0000000004E10000-0x0000000004E11000-memory.dmp
memory/1516-55-0x0000000075AB1000-0x0000000075AB3000-memory.dmp
memory/2016-71-0x0000000000480000-0x000000000049C000-memory.dmp
memory/2016-72-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/2016-73-0x0000000002080000-0x0000000002383000-memory.dmp
memory/2016-74-0x0000000000590000-0x0000000002071000-memory.dmp