Analysis
- max time kernel
149s - max time network
151s - platform
windows10_x64 - resource
win10v20201028 - 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
- 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 64 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of UnmapMainImage
- 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⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2480-12-0x0000000000140000-0x0000000000168000-memory.dmp
memory/2480-11-0x0000000000B50000-0x0000000000E70000-memory.dmp
memory/2480-10-0x0000000001360000-0x000000000136A000-memory.dmp
memory/2480-16-0x00000000009A0000-0x0000000000A2F000-memory.dmp
memory/3024-8-0x0000000002810000-0x00000000028CA000-memory.dmp
memory/3024-17-0x0000000005C90000-0x0000000005D43000-memory.dmp
memory/3440-6-0x0000000000B00000-0x0000000000E20000-memory.dmp
memory/3440-7-0x00000000006B0000-0x00000000006C0000-memory.dmp
memory/3440-5-0x0000000000400000-0x0000000000428000-memory.dmp