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Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 11:20

General

  • Target

    $PLUGINSDIR/fzltxxnfffs.dll

  • Size

    194KB

  • MD5

    c1ee8fc3cb583c07338524ac89801344

  • SHA1

    041872fd3d00b10c7983f641be1e579bb709e6b7

  • SHA256

    2b1efdc452245df048688e006a8d7c103e5ec369cab07125060161752ea6d8b6

  • SHA512

    bd59b363d5c6e01a5f92e17f3c8c86eda4793a7ca53fa062aa80632fdb2130df527991ceb3ac6f73edd09e22a8e71968d0b7ad6e50fb7a7f2f9ed417f82f0190

  • SSDEEP

    6144:ZUtJEr7mQNzZ/vDXqxnfNahvFp1cck4X3rm6v:ZnCYFD6TG9pjni6v

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pnug

Decoy

natureate.com

ita-pots.website

sucohansmushroom.com

produrielrosen.com

gosystemupdatenow.online

jiskra.art

janwiench.com

norfolkfoodhall.com

iloveaddictss.com

pogozip.com

buyinstapva.com

teardirectionfreedom.xyz

0205168.com

apaixonadosporpugs.online

jawscoinc.com

crafter.quest

wikipedianow.com

radiopuls.net

kendama-co.com

goodstudycanada.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fzltxxnfffs.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fzltxxnfffs.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fzltxxnfffs.dll,#1
        3⤵
          PID:2532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1788-1-0x00000000000D0000-0x0000000000110000-memory.dmp

      Filesize

      256KB

    • memory/2532-2-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB