Analysis

  • max time kernel
    151s
  • max time network
    160s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    02/08/2021, 05:29

General

  • Target
    SPARE PARTS Provision_pdf.exe
  • Size 790KB
  • Sample210802-c4tjmqhe4e
  • SHA256 820874caef7dd09b3475fbeac4b6b7372446b6b5eee1583aa7eef9610e27b9f8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • xloader

Version
  • 2.3

C2
  • http://www.eco-memo.com/7bun/

Decoy
  • olimpiyatcarpet.com

  • dbgpartners.com

  • terra-kapitalverwaltung.com

  • nutrasweetlnatural.com

  • onetinyproject.com

  • ringroadpartners.com

  • 1099jigs.com

  • hm-refnd.com

  • chameocarajf.com

  • slashprices.net

  • greatestmomentsin.com

  • abgg999.com

  • newyorkbookforum.net

  • organizationfun.net

  • sneakerssupermarket.com

  • abstraksiekonomi.com

  • canadadirect.net

  • jobjiihnb.club

  • yonderdesk.com

  • scholarlyleadership.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)
  • Xloader Payload 3 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 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Users\Admin\AppData\Local\Temp\SPARE PARTS Provision_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SPARE PARTS Provision_pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:752
      • C:\Users\Admin\AppData\Local\Temp\SPARE PARTS Provision_pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\SPARE PARTS Provision_pdf.exe"
        3⤵
          PID:2300
        • C:\Users\Admin\AppData\Local\Temp\SPARE PARTS Provision_pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\SPARE PARTS Provision_pdf.exe"
          3⤵
            PID:2016
          • C:\Users\Admin\AppData\Local\Temp\SPARE PARTS Provision_pdf.exe
            "C:\Users\Admin\AppData\Local\Temp\SPARE PARTS Provision_pdf.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:1848
        • C:\Windows\SysWOW64\cmmon32.exe
          "C:\Windows\SysWOW64\cmmon32.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1292
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\SPARE PARTS Provision_pdf.exe"
            3⤵
              PID:1284

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              memory/752-115-0x0000000003071000-0x0000000003072000-memory.dmp

              memory/752-114-0x0000000003070000-0x0000000003071000-memory.dmp

              memory/1292-123-0x00000000005C0000-0x00000000005E9000-memory.dmp

              memory/1292-126-0x0000000004950000-0x00000000049E0000-memory.dmp

              memory/1292-122-0x0000000001280000-0x000000000128C000-memory.dmp

              memory/1292-124-0x0000000000F50000-0x0000000001270000-memory.dmp

              memory/1848-118-0x00000000014C0000-0x00000000017E0000-memory.dmp

              memory/1848-119-0x00000000014A0000-0x00000000014B1000-memory.dmp

              memory/1848-116-0x0000000000400000-0x0000000000429000-memory.dmp

              memory/3060-120-0x0000000007370000-0x00000000074CD000-memory.dmp

              memory/3060-127-0x0000000005AD0000-0x0000000005BF1000-memory.dmp