Analysis
- max time kernel
149s - max time network
197s - platform
windows7_x64 - resource
win7v20210408 - submitted
16/08/2021, 17:28
General
- Target DHL Shipment doc.exe
- Size 575KB
- Sample210816-j5z26js4e2
- SHA256 ba852a2b1acc3b7c2bb98e6acbe41948de4e8046bbf6c3a874d7462f23d19f1e
Malware Config
Extracted
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xloader
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2.3
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cre4
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http://www.shiveringcactus.net/cre4/
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namirani.com
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winnerscircleapparel.com
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blackgoldranchoutfitters.com
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absintheshopping.com
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billionairetaste.com
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weida15.com
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clubsibaritas.com
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bitmonarch.com
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xo-car.com
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terreo.info
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anymore.one
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sundarbanstore.com
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blueshoediaries.com
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fastloansflorida.com
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streamzone300.xyz
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mspxzx.com
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dailydefileader.com
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wildblissboutique.com
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museumsalive.com
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theeverscholar.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 2 IoCs
- Deletes itself 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 31 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 13 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\DHL Shipment doc.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment doc.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL Shipment doc.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment doc.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\NAPSTAT.EXE"C:\Windows\SysWOW64\NAPSTAT.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\DHL Shipment doc.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/556-71-0x0000000001E20000-0x0000000001EB0000-memory.dmp
memory/556-69-0x0000000002060000-0x0000000002363000-memory.dmp
memory/556-68-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/556-67-0x00000000000B0000-0x00000000000F6000-memory.dmp
memory/1224-65-0x0000000006220000-0x000000000639D000-memory.dmp
memory/1224-72-0x0000000004250000-0x000000000431B000-memory.dmp
memory/1824-64-0x0000000000190000-0x00000000001A1000-memory.dmp
memory/1824-63-0x0000000000990000-0x0000000000C93000-memory.dmp
memory/1824-62-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1988-59-0x00000000767B1000-0x00000000767B3000-memory.dmp
memory/1988-61-0x00000000002E0000-0x00000000002E2000-memory.dmp