Analysis
- max time kernel
150s - max time network
143s - platform
windows7_x64 - resource
win7v20201028 - submitted
01/03/2021, 12:11
General
- Target shipping document008476_pdf.exe
- Size 205KB
- Sample210301-tlcedechp2
- SHA256 c1877b91dfa943d79a313f9478d8dd45dd08cad8683206e83b9deae4b60f5e5a
Malware Config
Extracted
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xloader
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http://www.eleriwyn.com/xgxp/
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sin7799.com
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konkondwa.com
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fixmylot.com
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redbirdscottsdale.com
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cotcoservices.com
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jonwcvxw.com
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scotthaeberletriathlon.com
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bob816.com
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pinukimgood.life
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ambitiondurable-ce.com
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jioholdingscorp.com
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thisisadreamright.com
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asaptebal.xyz
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sloanehealth.com
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huugmooren.com
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birdsbarber.supply
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albeider.com
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theperfectcolour.com
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alibabulilmhouston.com
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chaing-list.xyz
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 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.
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 35 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 use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\shipping document008476_pdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping document008476_pdf.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\shipping document008476_pdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping document008476_pdf.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- 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\shipping document008476_pdf.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/296-2-0x0000000076381000-0x0000000076383000-memory.dmp
memory/1244-8-0x0000000006F90000-0x000000000710A000-memory.dmp
memory/1244-15-0x0000000009010000-0x0000000009152000-memory.dmp
memory/2028-7-0x00000000001C0000-0x00000000001D0000-memory.dmp
memory/2028-5-0x0000000000400000-0x0000000000428000-memory.dmp
memory/2028-6-0x0000000000700000-0x0000000000A03000-memory.dmp
memory/2044-12-0x0000000000080000-0x00000000000A8000-memory.dmp
memory/2044-13-0x00000000020E0000-0x00000000023E3000-memory.dmp
memory/2044-11-0x0000000000B40000-0x0000000000B47000-memory.dmp
memory/2044-14-0x00000000009E0000-0x0000000000A6F000-memory.dmp