Analysis

  • max time kernel
    152s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 18:22

General

  • Target

    DHL invoice KULIR00895239.pdf.exe

  • Size

    438KB

  • MD5

    f668e4c9cc8a691b159e2033f30f50b5

  • SHA1

    3ef37ae10df8f196b68f69db29a7f369fa181970

  • SHA256

    07826de5569163107133c374c0f4fde7f494118f127cce285a2a280d98b2dd3b

  • SHA512

    92cef7c693652fbd31f878b2f5a759c6bacfc07e479a64cf0ce8ddb9cf35468c4a0630eac572185b90b1fc7e7076e3b6f6859d1ad39c7da7d1fdffb8cf67d90d

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

m6t2

C2

http://www.vmhenterprise.com/m6t2/

Decoy

somethinghaatke.net

bluehubwriters.com

ptfitnet.com

coastelevatorinteriors.com

hellensilvamkd.com

feekyfeeky.com

studioemiko.com

high-clicks2.com

troyleedesigns.club

peopletrucksinsurance.com

lameducation.com

pundiajaib.com

photosonunderwear.com

hautegirlmarket.com

groopadamce.quest

ignitivehq.com

partyprintable.digital

unlimitedrehab.com

awaytraveltnpasumo6.xyz

hourly.limo

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
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 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:3008
    • C:\Users\Admin\AppData\Local\Temp\DHL invoice KULIR00895239.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL invoice KULIR00895239.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:500
      • C:\Users\Admin\AppData\Local\Temp\DHL invoice KULIR00895239.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\DHL invoice KULIR00895239.pdf.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:916
    • C:\Windows\SysWOW64\msdt.exe
      "C:\Windows\SysWOW64\msdt.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2876
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\DHL invoice KULIR00895239.pdf.exe"
        3⤵
          PID:1524

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/500-115-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
      Filesize

      4KB

    • memory/500-117-0x0000000005AC0000-0x0000000005AC1000-memory.dmp
      Filesize

      4KB

    • memory/500-118-0x00000000055C0000-0x00000000055C1000-memory.dmp
      Filesize

      4KB

    • memory/500-119-0x00000000055C0000-0x0000000005ABE000-memory.dmp
      Filesize

      5.0MB

    • memory/500-120-0x0000000005590000-0x0000000005591000-memory.dmp
      Filesize

      4KB

    • memory/500-121-0x00000000059C0000-0x00000000059C7000-memory.dmp
      Filesize

      28KB

    • memory/500-122-0x0000000006360000-0x0000000006361000-memory.dmp
      Filesize

      4KB

    • memory/500-123-0x00000000062C0000-0x000000000630B000-memory.dmp
      Filesize

      300KB

    • memory/916-128-0x0000000000F00000-0x000000000104A000-memory.dmp
      Filesize

      1.3MB

    • memory/916-125-0x000000000041D450-mapping.dmp
    • memory/916-124-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/916-127-0x0000000001510000-0x0000000001830000-memory.dmp
      Filesize

      3.1MB

    • memory/1524-133-0x0000000000000000-mapping.dmp
    • memory/2876-130-0x0000000000000000-mapping.dmp
    • memory/2876-131-0x0000000001220000-0x0000000001393000-memory.dmp
      Filesize

      1.4MB

    • memory/2876-132-0x0000000000B30000-0x0000000000B59000-memory.dmp
      Filesize

      164KB

    • memory/2876-134-0x0000000004F00000-0x0000000005220000-memory.dmp
      Filesize

      3.1MB

    • memory/2876-135-0x0000000004D60000-0x0000000004DF0000-memory.dmp
      Filesize

      576KB

    • memory/3008-129-0x0000000005C20000-0x0000000005D66000-memory.dmp
      Filesize

      1.3MB

    • memory/3008-136-0x0000000006BD0000-0x0000000006CE5000-memory.dmp
      Filesize

      1.1MB