Analysis

  • max time kernel
    152s
  • max time network
    195s
  • 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 6 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 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 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SR20220600525003,pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:964
      • 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:1804
    • C:\Windows\SysWOW64\autofmt.exe
      "C:\Windows\SysWOW64\autofmt.exe"
      2⤵
        PID:1088
      • C:\Windows\SysWOW64\autochk.exe
        "C:\Windows\SysWOW64\autochk.exe"
        2⤵
          PID:620
        • C:\Windows\SysWOW64\help.exe
          "C:\Windows\SysWOW64\help.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1976
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
            3⤵
              PID:2028

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/964-55-0x0000000000500000-0x0000000000534000-memory.dmp

                Filesize

                208KB

              • memory/964-54-0x0000000000880000-0x00000000008BC000-memory.dmp

                Filesize

                240KB

              • memory/1384-65-0x0000000004AE0000-0x0000000004C50000-memory.dmp

                Filesize

                1.4MB

              • memory/1384-78-0x0000000006A20000-0x0000000006BA8000-memory.dmp

                Filesize

                1.5MB

              • memory/1384-76-0x0000000006A20000-0x0000000006BA8000-memory.dmp

                Filesize

                1.5MB

              • memory/1384-68-0x0000000004C50000-0x0000000004DBB000-memory.dmp

                Filesize

                1.4MB

              • memory/1804-67-0x0000000000330000-0x0000000000341000-memory.dmp

                Filesize

                68KB

              • memory/1804-70-0x0000000000400000-0x000000000042B000-memory.dmp

                Filesize

                172KB

              • memory/1804-64-0x0000000000290000-0x00000000002A1000-memory.dmp

                Filesize

                68KB

              • memory/1804-62-0x0000000000400000-0x000000000042B000-memory.dmp

                Filesize

                172KB

              • memory/1804-59-0x0000000000400000-0x000000000042B000-memory.dmp

                Filesize

                172KB

              • memory/1804-57-0x0000000000400000-0x000000000042B000-memory.dmp

                Filesize

                172KB

              • memory/1804-63-0x0000000000A60000-0x0000000000D63000-memory.dmp

                Filesize

                3.0MB

              • memory/1804-56-0x0000000000400000-0x000000000042B000-memory.dmp

                Filesize

                172KB

              • memory/1976-71-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

                Filesize

                24KB

              • memory/1976-73-0x00000000007C0000-0x0000000000AC3000-memory.dmp

                Filesize

                3.0MB

              • memory/1976-75-0x00000000005D0000-0x0000000000660000-memory.dmp

                Filesize

                576KB

              • memory/1976-72-0x0000000000080000-0x00000000000AB000-memory.dmp

                Filesize

                172KB

              • memory/1976-77-0x0000000000080000-0x00000000000AB000-memory.dmp

                Filesize

                172KB