Analysis

  • max time kernel
    151s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16/06/2022, 09:49

General

  • Target

    SR20220600525003,pdf.exe

  • Size

    236KB

  • MD5

    9bb6e1be7a871997359c19c8559cabf3

  • SHA1

    a3aff540f8c1af33ea7a215e303bdbe0a131c7c6

  • SHA256

    00468491177bab4d715685cc174538ff0a3c15cdf0b679c7d163b89e3b8d2421

  • SHA512

    ef65c69b16f636ba4ea8c48a51778643a6a4b437d36d481ba31e723b7c1d8645983ca83a91fdfca805a715300f1d42374ccf1c72fec93552a39a5dc408e0d23a

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

tn61

Decoy

ryliehorrall.art

mesdco.net

street-art-ink.com

sepetcin.com

stilghar.com

hawaiipooltiles.com

fuerst-von-falkennest.com

totalvirtue.com

xdk0blc0tqy6a7.life

zootowngravel.com

kreditkarten-optionde.com

6888tlbb.xyz

albertakleekai.com

travelnurseinfofinder3.life

valleyinnswat.com

secure-remove-devices.com

digitalswamy.com

www112casinova.com

medifasttrd.com

distritoxermar.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 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:284
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
          PID:2012
        • 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
          PID:1500
      • C:\Windows\SysWOW64\wininit.exe
        "C:\Windows\SysWOW64\wininit.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Drops file in Program Files directory
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1980
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
          3⤵
            PID:1956
          • C:\Program Files\Mozilla Firefox\Firefox.exe
            "C:\Program Files\Mozilla Firefox\Firefox.exe"
            3⤵
              PID:576

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/284-55-0x00000000002A0000-0x00000000002D4000-memory.dmp

                Filesize

                208KB

              • memory/284-54-0x0000000001050000-0x000000000108C000-memory.dmp

                Filesize

                240KB

              • memory/1300-65-0x0000000006EE0000-0x0000000006FEB000-memory.dmp

                Filesize

                1.0MB

              • memory/1300-74-0x00000000042A0000-0x0000000004355000-memory.dmp

                Filesize

                724KB

              • memory/1300-72-0x00000000042A0000-0x0000000004355000-memory.dmp

                Filesize

                724KB

              • memory/1500-57-0x0000000000400000-0x000000000042B000-memory.dmp

                Filesize

                172KB

              • memory/1500-62-0x0000000000400000-0x000000000042B000-memory.dmp

                Filesize

                172KB

              • memory/1500-63-0x0000000000D00000-0x0000000001003000-memory.dmp

                Filesize

                3.0MB

              • memory/1500-64-0x0000000000140000-0x0000000000151000-memory.dmp

                Filesize

                68KB

              • memory/1500-59-0x0000000000400000-0x000000000042B000-memory.dmp

                Filesize

                172KB

              • memory/1500-56-0x0000000000400000-0x000000000042B000-memory.dmp

                Filesize

                172KB

              • memory/1980-70-0x0000000001F60000-0x0000000002263000-memory.dmp

                Filesize

                3.0MB

              • memory/1980-71-0x0000000001D90000-0x0000000001E20000-memory.dmp

                Filesize

                576KB

              • memory/1980-69-0x00000000000C0000-0x00000000000EB000-memory.dmp

                Filesize

                172KB

              • memory/1980-73-0x00000000000C0000-0x00000000000EB000-memory.dmp

                Filesize

                172KB

              • memory/1980-68-0x0000000000380000-0x000000000039A000-memory.dmp

                Filesize

                104KB

              • memory/1980-75-0x00000000763E1000-0x00000000763E3000-memory.dmp

                Filesize

                8KB