Analysis

  • max time kernel
    191s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    16/06/2022, 09:47

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 4 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:384
    • 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:3256
      • 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:4228
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5044
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
          PID:4012

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/384-137-0x0000000002A40000-0x0000000002B0D000-memory.dmp

            Filesize

            820KB

          • memory/384-146-0x0000000008370000-0x00000000084DC000-memory.dmp

            Filesize

            1.4MB

          • memory/384-144-0x0000000008370000-0x00000000084DC000-memory.dmp

            Filesize

            1.4MB

          • memory/3256-130-0x00000000001D0000-0x000000000020C000-memory.dmp

            Filesize

            240KB

          • memory/4228-132-0x0000000000400000-0x000000000042B000-memory.dmp

            Filesize

            172KB

          • memory/4228-134-0x0000000000400000-0x000000000042B000-memory.dmp

            Filesize

            172KB

          • memory/4228-135-0x00000000016A0000-0x00000000019EA000-memory.dmp

            Filesize

            3.3MB

          • memory/4228-136-0x0000000001640000-0x0000000001651000-memory.dmp

            Filesize

            68KB

          • memory/5044-139-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

            Filesize

            72KB

          • memory/5044-141-0x00000000023F0000-0x000000000273A000-memory.dmp

            Filesize

            3.3MB

          • memory/5044-143-0x0000000000DC0000-0x0000000000E50000-memory.dmp

            Filesize

            576KB

          • memory/5044-140-0x00000000004B0000-0x00000000004DB000-memory.dmp

            Filesize

            172KB

          • memory/5044-145-0x00000000004B0000-0x00000000004DB000-memory.dmp

            Filesize

            172KB