Analysis
- max time kernel
158s - max time network
165s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
21/03/2022, 10:08
General
- Target 1e40c98d3677061af5e7d6737f6ba86f.exe
- Size 1007KB
- Sample220321-l58l4sbeam
- SHA256 ca77df966e202e0eab6d3c2280f95fb59aee28b5e9e540be3dca1d66c46bf2af
Malware Config
Extracted
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xloader
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2.5
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vfm2
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swedishchess.com
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vanlifedubai.com
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srespd.com
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aquaeyego.com
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mipily.com
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wolderland-technologiesmy.com
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reidandwriteon.com
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realtywithgeorge.com
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thomasangelop.com
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innotecon.com
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alternativedata.services
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shogohorinouchi.com
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fuliba001.xyz
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levelprism.com
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auditocity.club
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opmatix.com
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eds.center
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sophia-tokimeki.com
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htbrasil.com
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trueacademia.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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops file in System32 directory 6 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Windows directory 12 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.
- Modifies data under HKEY_USERS 1 IoCs
- Suspicious behavior: EnumeratesProcesses 33 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\1e40c98d3677061af5e7d6737f6ba86f.exe"C:\Users\Admin\AppData\Local\Temp\1e40c98d3677061af5e7d6737f6ba86f.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jvPXysCP.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jvPXysCP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF41D.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\mstsc.exe"C:\Windows\SysWOW64\mstsc.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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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1820-169-0x0000000002BF0000-0x0000000002C80000-memory.dmp
memory/1820-161-0x0000000000F90000-0x00000000010CA000-memory.dmp
memory/1820-163-0x0000000002ED0000-0x000000000321A000-memory.dmp
memory/1820-162-0x0000000000CF0000-0x0000000000D19000-memory.dmp
memory/2208-140-0x000001B539A60000-0x000001B539A70000-memory.dmp
memory/2208-141-0x000001B539AC0000-0x000001B539AD0000-memory.dmp
memory/2208-142-0x000001B539DD0000-0x000001B539DD4000-memory.dmp
memory/2208-179-0x000001B53C3C0000-0x000001B53C3C4000-memory.dmp
memory/2208-178-0x000001B53C3C0000-0x000001B53C3C4000-memory.dmp
memory/3040-159-0x0000000008700000-0x000000000882F000-memory.dmp
memory/3040-170-0x0000000008830000-0x0000000008901000-memory.dmp
memory/4760-155-0x0000000000400000-0x0000000000429000-memory.dmp
memory/4760-157-0x000000000041D000-0x000000000041E000-memory.dmp
memory/4760-158-0x0000000001030000-0x0000000001041000-memory.dmp
memory/4760-156-0x0000000001070000-0x00000000013BA000-memory.dmp
memory/4760-150-0x0000000000400000-0x0000000000429000-memory.dmp
memory/4768-139-0x0000000004D30000-0x0000000004D3A000-memory.dmp
memory/4768-136-0x0000000005130000-0x00000000056D4000-memory.dmp
memory/4768-135-0x00000000000D0000-0x00000000001D4000-memory.dmp
memory/4768-137-0x0000000004B80000-0x0000000004C12000-memory.dmp
memory/4768-138-0x0000000004AD0000-0x0000000004B62000-memory.dmp
memory/4768-134-0x00000000746C0000-0x0000000074E70000-memory.dmp
memory/4768-143-0x0000000000B20000-0x0000000000BBC000-memory.dmp
memory/5012-145-0x0000000000890000-0x0000000000891000-memory.dmp
memory/5012-160-0x0000000005A40000-0x0000000005A5E000-memory.dmp
memory/5012-154-0x0000000005310000-0x0000000005376000-memory.dmp
memory/5012-153-0x0000000004B30000-0x0000000004B96000-memory.dmp
memory/5012-151-0x0000000004990000-0x00000000049B2000-memory.dmp
memory/5012-164-0x0000000000895000-0x0000000000897000-memory.dmp
memory/5012-165-0x0000000006A10000-0x0000000006A42000-memory.dmp
memory/5012-166-0x000000006FD90000-0x000000006FDDC000-memory.dmp
memory/5012-167-0x0000000005FF0000-0x000000000600E000-memory.dmp
memory/5012-168-0x000000007F010000-0x000000007F011000-memory.dmp
memory/5012-148-0x0000000004CE0000-0x0000000005308000-memory.dmp
memory/5012-147-0x0000000000892000-0x0000000000893000-memory.dmp
memory/5012-171-0x00000000073C0000-0x0000000007A3A000-memory.dmp
memory/5012-172-0x0000000006D00000-0x0000000006D1A000-memory.dmp
memory/5012-173-0x0000000006DE0000-0x0000000006DEA000-memory.dmp
memory/5012-174-0x0000000007010000-0x00000000070A6000-memory.dmp
memory/5012-175-0x0000000006FA0000-0x0000000006FAE000-memory.dmp
memory/5012-176-0x0000000006FF0000-0x000000000700A000-memory.dmp
memory/5012-177-0x0000000006FE0000-0x0000000006FE8000-memory.dmp
memory/5012-146-0x00000000021B0000-0x00000000021E6000-memory.dmp
memory/5012-144-0x00000000746C0000-0x0000000074E70000-memory.dmp