Analysis
- max time kernel
149s - max time network
153s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
22/09/2021, 23:17
General
- Target invoice.exe
- Size 772KB
- Sample210922-29pykaead8
- SHA256 ef4a9aba2afcd39bbfbce4fde4f5b14869115984d430c2e73353e89e214feaa4
Malware Config
Extracted
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xloader
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2.5
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etaf
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http://www.jingkevip.com/etaf/
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villamanagementinalgarve.com
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solslabradoodle.com
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e0852.com
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nautilusratio.club
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freelancecentral.net
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noeisee.com
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dzace.com
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earlylearningadvisors.com
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happynotebooks.com
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ustaylormademalls.club
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mistrymethod.com
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skullz.xyz
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criticalequipmentservices.com
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kudamonobatake.net
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vslent.com
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scottishbeachhuts.com
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048yu.xyz
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simera.xyz
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safeguardinspector.com
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broughttolife.store
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Deletes itself 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 21 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\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.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\invoice.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1092-55-0x0000000002340000-0x0000000002341000-memory.dmp
memory/1092-56-0x0000000000770000-0x000000000078D000-memory.dmp
memory/1092-57-0x00000000058D0000-0x000000000593D000-memory.dmp
memory/1092-58-0x0000000000CB0000-0x0000000000CED000-memory.dmp
memory/1092-53-0x0000000000CF0000-0x0000000000CF1000-memory.dmp
memory/1164-66-0x0000000000680000-0x00000000006C6000-memory.dmp
memory/1164-67-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/1164-68-0x0000000001F80000-0x0000000002283000-memory.dmp
memory/1164-69-0x0000000001DF0000-0x0000000001E80000-memory.dmp
memory/1164-71-0x0000000074B41000-0x0000000074B43000-memory.dmp
memory/1360-63-0x0000000004730000-0x00000000047EB000-memory.dmp
memory/1360-70-0x0000000006A60000-0x0000000006B46000-memory.dmp
memory/1784-62-0x0000000000160000-0x0000000000171000-memory.dmp
memory/1784-61-0x0000000000DC0000-0x00000000010C3000-memory.dmp
memory/1784-59-0x0000000000400000-0x0000000000429000-memory.dmp