Analysis
- max time kernel
153s - max time network
184s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
18/10/2021, 10:04
General
- Target Diagram and Specifications.exe
- Size 397KB
- Sample211018-l3yn5aecgn
- SHA256 4e9cb6e83b7ea6e353bafe82262c6b1c1de8a5fb5517fa8bd8bd80b353ca472d
Malware Config
Extracted
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xloader
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2.5
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sw39
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http://www.kompastar.com/sw39/
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ashwinpokharel.com
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bzsxlaw.com
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know-christ.com
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findevinsurance.com
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greenlink-engineering.com
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poseidonvips.com
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thebrandstudiointernational.com
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airkrol.com
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callofdutytool.xyz
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anthologyofenglishpoems.info
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dandftrading.com
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cjrotulacion.com
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tiroalpalodigital.com
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axeologements.com
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nchh29.xyz
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karedxb.com
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9158cs.xyz
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christialana.com
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francegravures.com
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snclgroupsource.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 3 IoCs
- Suspicious behavior: EnumeratesProcesses 22 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 19 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\Diagram and Specifications.exe"C:\Users\Admin\AppData\Local\Temp\Diagram and Specifications.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Diagram and Specifications.exe"C:\Users\Admin\AppData\Local\Temp\Diagram and Specifications.exe"3⤵
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C:\Users\Admin\AppData\Local\Temp\Diagram and Specifications.exe"C:\Users\Admin\AppData\Local\Temp\Diagram and Specifications.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\help.exe"C:\Windows\SysWOW64\help.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\Diagram and Specifications.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/984-63-0x00000000001E0000-0x00000000001F1000-memory.dmp
memory/984-62-0x00000000008D0000-0x0000000000BD3000-memory.dmp
memory/984-57-0x0000000000400000-0x0000000000429000-memory.dmp
memory/984-58-0x0000000000400000-0x0000000000429000-memory.dmp
memory/984-59-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1360-64-0x0000000004DC0000-0x0000000004E9F000-memory.dmp
memory/1360-71-0x0000000006F60000-0x0000000007083000-memory.dmp
memory/1680-56-0x0000000000B21000-0x0000000000B22000-memory.dmp
memory/1680-55-0x0000000000B20000-0x0000000000B21000-memory.dmp
memory/1680-54-0x0000000074B41000-0x0000000074B43000-memory.dmp
memory/1840-68-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/1840-69-0x00000000008D0000-0x0000000000BD3000-memory.dmp
memory/1840-67-0x0000000000540000-0x0000000000546000-memory.dmp
memory/1840-70-0x0000000000410000-0x00000000004A0000-memory.dmp