Analysis
- max time kernel
150s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
15/06/2022, 04:18
General
- Target SR2022061584,pdf.exe
- Size 230KB
- Sample220615-ewx1pacfaj
- SHA256 347b2260600d99e1b3007aeaf18c01e4c5bb1d9f2b97eb371c6d2d69c8ee1169
Malware Config
Extracted
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xloader
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2.6
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uugs
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dooflegogpriitives.com
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designvak.com
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burunghitam.com
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sw-autotrader.com
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rebelvulgar.top
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brentwilsonphoto.com
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masjidmuqarrabin.com
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loyaltykleaners.com
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rodfernandesmarketing.com
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goshenlaboratory.com
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golivehome.store
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lensflareair.com
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annistonescarra.com
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pastedup.com
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burinfohope-holding-group.com
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monicaconsulting.com
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theswanmarketing.com
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guentherconstructionllc.com
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citizenshipguides.com
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aemsmc.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 4 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 46 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SR2022061584,pdf.exe"C:\Users\Admin\AppData\Local\Temp\SR2022061584,pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.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:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1040-130-0x0000000000C50000-0x0000000000C8C000-memory.dmp
memory/1352-132-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1352-133-0x0000000001560000-0x00000000018AA000-memory.dmp
memory/1352-135-0x00000000010F0000-0x0000000001101000-memory.dmp
memory/1352-137-0x0000000000400000-0x000000000042B000-memory.dmp
memory/2148-136-0x0000000002930000-0x0000000002A16000-memory.dmp
memory/2148-146-0x0000000002A20000-0x0000000002AD4000-memory.dmp
memory/2148-144-0x0000000002A20000-0x0000000002AD4000-memory.dmp
memory/2356-143-0x00000000011C0000-0x0000000001250000-memory.dmp
memory/2356-140-0x0000000000C80000-0x0000000000C8A000-memory.dmp
memory/2356-142-0x0000000001420000-0x000000000176A000-memory.dmp
memory/2356-141-0x00000000009D0000-0x00000000009FB000-memory.dmp
memory/2356-145-0x00000000009D0000-0x00000000009FB000-memory.dmp