Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16/06/2022, 09:43

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

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • 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
  • Adds policy 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 21 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1356
    • 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:824
      • 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:1328
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      2⤵
      • Adds policy 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:2032
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
          PID:1168
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:1612

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/824-55-0x0000000000550000-0x0000000000584000-memory.dmp

              Filesize

              208KB

            • memory/824-54-0x0000000001240000-0x000000000127C000-memory.dmp

              Filesize

              240KB

            • memory/1328-66-0x0000000000400000-0x000000000042B000-memory.dmp

              Filesize

              172KB

            • memory/1328-56-0x0000000000400000-0x000000000042B000-memory.dmp

              Filesize

              172KB

            • memory/1328-57-0x0000000000400000-0x000000000042B000-memory.dmp

              Filesize

              172KB

            • memory/1328-59-0x0000000000400000-0x000000000042B000-memory.dmp

              Filesize

              172KB

            • memory/1328-61-0x0000000000C10000-0x0000000000F13000-memory.dmp

              Filesize

              3.0MB

            • memory/1328-63-0x0000000000160000-0x0000000000171000-memory.dmp

              Filesize

              68KB

            • memory/1356-64-0x0000000006AE0000-0x0000000006BF4000-memory.dmp

              Filesize

              1.1MB

            • memory/1356-72-0x0000000006D70000-0x0000000006EF8000-memory.dmp

              Filesize

              1.5MB

            • memory/1356-73-0x0000000006D70000-0x0000000006EF8000-memory.dmp

              Filesize

              1.5MB

            • memory/2032-68-0x0000000000590000-0x0000000000598000-memory.dmp

              Filesize

              32KB

            • memory/2032-69-0x0000000000A80000-0x0000000000D83000-memory.dmp

              Filesize

              3.0MB

            • memory/2032-70-0x0000000000080000-0x00000000000AB000-memory.dmp

              Filesize

              172KB

            • memory/2032-71-0x00000000005A0000-0x0000000000630000-memory.dmp

              Filesize

              576KB

            • memory/2032-74-0x00000000762C1000-0x00000000762C3000-memory.dmp

              Filesize

              8KB