Analysis
- max time kernel
149s - max time network
194s - platform
windows7_x64 - resource
win7v20210408 - submitted
28/06/2021, 12:18
General
- Target PO KIPO000903 KIND122822.pdf.exe
- Size 728KB
- Sample210628-3bakkf3hlj
- SHA256 940049a73f4604611186b3fe1f93bec8328d4ca2c486499d5be25df5b5d51ca9
Malware Config
Extracted
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xloader
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2.3
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http://www.xgegqs.com/gscc/
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digdeepalways.com
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medicaidcovidsurvey.com
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thebranchfellowship.com
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trillionairebigboysclub.com
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pointsvalidation.com
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thatcomfortableplace.com
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stretchingchic.com
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tabletadigital.online
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xkg.xyz
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merlin-hygieneforce.com
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mockexamsonline.com
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mortgagemegloans.com
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fraudcast.net
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bexleyheathdmcc.xyz
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shop77c.club
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blueathue.com
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bjzxsd.com
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8metode.com
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ravexim3.com
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kratiemthaicuisine.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 23 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 22 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\PO KIPO000903 KIND122822.pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO KIPO000903 KIND122822.pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xdKZfyzPQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF8D.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wininit.exe"C:\Windows\SysWOW64\wininit.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1224-79-0x0000000006200000-0x0000000006350000-memory.dmp
memory/1224-72-0x0000000002AB0000-0x0000000002BAE000-memory.dmp
memory/1896-76-0x0000000001FD0000-0x00000000022D3000-memory.dmp
memory/1896-80-0x00000000767B1000-0x00000000767B3000-memory.dmp
memory/1896-78-0x00000000004B0000-0x000000000053F000-memory.dmp
memory/1896-75-0x00000000000C0000-0x00000000000E8000-memory.dmp
memory/1896-74-0x0000000000260000-0x000000000027A000-memory.dmp
memory/1964-70-0x00000000008B0000-0x0000000000BB3000-memory.dmp
memory/1964-71-0x0000000000090000-0x00000000000A0000-memory.dmp
memory/1964-67-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1988-63-0x0000000005270000-0x00000000052F9000-memory.dmp
memory/1988-64-0x0000000000AA0000-0x0000000000AEE000-memory.dmp
memory/1988-59-0x0000000000210000-0x0000000000211000-memory.dmp
memory/1988-62-0x0000000009D30000-0x000000000BD2F000-memory.dmp
memory/1988-61-0x00000000049B0000-0x00000000049B1000-memory.dmp