Resubmissions

05/04/2024, 00:07

240405-aecwzafb2210

05/04/2024, 00:04

240405-acmy6aec6x10

Analysis

  • max time kernel
    162s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 00:04

General

  • Target
    doc_0862413890.exe
  • Size 256KB
  • Sample240405-acmy6aec6x
  • SHA256 7946718754bb669d3c7a80e355a20047e3e87dbfa9446927ceb6fabab21847d1
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • xloader

Version
  • 2.5

Campaign
  • nqn4

Decoy
  • posadaluna.com

  • ztwl2000.com

  • cvmu.net

  • marvellouslles.com

  • tiromiesu.com

  • allinsqadminn.com

  • 8straps.com

  • buyfood.store

  • jipodh.xyz

  • earthsidesoulalchemist.com

  • overiodize.xyz

  • weed.enterprises

  • minuseasy.com

  • konchord.com

  • 14attrayanteoffre.com

  • brasbux.com

  • aog.group

  • hairuno.com

  • solheimdesign.com

  • cosmetictreat.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\doc_0862413890.exe
      "C:\Users\Admin\AppData\Local\Temp\doc_0862413890.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4384
      • C:\Users\Admin\AppData\Local\Temp\doc_0862413890.exe
        "C:\Users\Admin\AppData\Local\Temp\doc_0862413890.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1848
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\doc_0862413890.exe"
        3⤵
          PID:2412

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          envdl.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsa93D5.tmp\envdl.dll
          • Size 21KB
          • SHA256 d12d71c87dbbe93303a1402e368e5e8827d512aa54bae78347077ca468abdbc6
          • MD5 SHA1 SHA512 SSDEEP

          memory/1848-13-0x0000000000400000-0x0000000000429000-memory.dmp

          memory/1848-9-0x0000000000400000-0x0000000000429000-memory.dmp

          memory/1848-14-0x00000000006D0000-0x00000000006E1000-memory.dmp

          memory/1848-11-0x0000000000BE0000-0x0000000000F2A000-memory.dmp

          memory/2600-17-0x0000000000E70000-0x0000000000E97000-memory.dmp

          memory/2600-19-0x0000000000E70000-0x0000000000E97000-memory.dmp

          memory/2600-20-0x0000000000C00000-0x0000000000C29000-memory.dmp

          memory/2600-21-0x0000000002CD0000-0x000000000301A000-memory.dmp

          memory/2600-22-0x0000000000C00000-0x0000000000C29000-memory.dmp

          memory/2600-24-0x0000000002B00000-0x0000000002B90000-memory.dmp

          memory/3488-15-0x0000000007C20000-0x0000000007D64000-memory.dmp

          memory/3488-25-0x0000000007C20000-0x0000000007D64000-memory.dmp

          memory/3488-28-0x0000000008330000-0x00000000084BC000-memory.dmp

          memory/3488-29-0x0000000008330000-0x00000000084BC000-memory.dmp

          memory/3488-32-0x0000000008330000-0x00000000084BC000-memory.dmp

          memory/4384-10-0x0000000010000000-0x0000000010009000-memory.dmp

          memory/4384-6-0x0000000010000000-0x0000000010009000-memory.dmp