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Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2024, 20:39

General

  • Target

    vbc.exe

  • Size

    713KB

  • MD5

    6dd65cf5c7523aff3f622e3ab7142f91

  • SHA1

    e3ea22daf35fe994b0612550cfdf8009c2fee3e2

  • SHA256

    3b49fb8bc04b8446394c1fd905fa6ee17155a5d34284a509765bca640cbbd37a

  • SHA512

    c2d425c8e557504dadfda829fef525d0f2f6e150cbad95d6e40b0d20765d78e6ea4c114522b498effb006dc766645ba3fc82ff2b2c881807da0a497d81c0e91b

  • SSDEEP

    12288:LGUUogb8YUPJh3b+vz+TA39U5LiiHdmEorzEKMK:L5UoVPJhFAtUtrdor4K

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

24ng

Decoy

thesmarterhold.com

meandondita.com

getzlppi.com

kaibosatadom.com

ibggroupkerala.com

emmymorrow.xyz

wandallia.com

jogiyoga.support

vuagiaychatt.com

jadhavconstructions.com

hypydeals.com

brightstarqr.com

unifi.group

derm-course.com

jvbcloud.com

upuwallet.com

115manhuang.com

ashleytdg.com

ptpatennis.com

noodahl.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader family
  • Xloader payload 3 IoCs
  • Deletes itself 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Users\Admin\AppData\Local\Temp\vbc.exe
        "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
        3⤵
          PID:2764
        • C:\Users\Admin\AppData\Local\Temp\vbc.exe
          "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
          3⤵
            PID:2636
          • C:\Users\Admin\AppData\Local\Temp\vbc.exe
            "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
            3⤵
              PID:2820
            • C:\Users\Admin\AppData\Local\Temp\vbc.exe
              "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
              3⤵
                PID:1780
              • C:\Users\Admin\AppData\Local\Temp\vbc.exe
                "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
                3⤵
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious behavior: MapViewOfSection
                • Suspicious use of AdjustPrivilegeToken
                PID:2592
            • C:\Windows\SysWOW64\wuapp.exe
              "C:\Windows\SysWOW64\wuapp.exe"
              2⤵
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:2824
              • C:\Windows\SysWOW64\cmd.exe
                /c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
                3⤵
                • Deletes itself
                • System Location Discovery: System Language Discovery
                PID:1840

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1256-25-0x0000000000010000-0x0000000000020000-memory.dmp

            Filesize

            64KB

          • memory/1256-19-0x0000000006DB0000-0x0000000006E9F000-memory.dmp

            Filesize

            956KB

          • memory/1256-24-0x0000000006DB0000-0x0000000006E9F000-memory.dmp

            Filesize

            956KB

          • memory/1256-18-0x0000000000010000-0x0000000000020000-memory.dmp

            Filesize

            64KB

          • memory/2536-3-0x00000000004D0000-0x00000000004EC000-memory.dmp

            Filesize

            112KB

          • memory/2536-5-0x0000000073D10000-0x00000000743FE000-memory.dmp

            Filesize

            6.9MB

          • memory/2536-6-0x0000000007C90000-0x0000000007CFC000-memory.dmp

            Filesize

            432KB

          • memory/2536-7-0x0000000004760000-0x0000000004796000-memory.dmp

            Filesize

            216KB

          • memory/2536-4-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

            Filesize

            4KB

          • memory/2536-2-0x0000000073D10000-0x00000000743FE000-memory.dmp

            Filesize

            6.9MB

          • memory/2536-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

            Filesize

            4KB

          • memory/2536-1-0x0000000000230000-0x00000000002E8000-memory.dmp

            Filesize

            736KB

          • memory/2536-13-0x0000000073D10000-0x00000000743FE000-memory.dmp

            Filesize

            6.9MB

          • memory/2592-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2592-17-0x0000000000080000-0x0000000000090000-memory.dmp

            Filesize

            64KB

          • memory/2592-16-0x0000000000400000-0x0000000000428000-memory.dmp

            Filesize

            160KB

          • memory/2592-14-0x0000000000990000-0x0000000000C93000-memory.dmp

            Filesize

            3.0MB

          • memory/2592-9-0x0000000000400000-0x0000000000428000-memory.dmp

            Filesize

            160KB

          • memory/2592-12-0x0000000000400000-0x0000000000428000-memory.dmp

            Filesize

            160KB

          • memory/2592-8-0x0000000000400000-0x0000000000428000-memory.dmp

            Filesize

            160KB

          • memory/2824-20-0x0000000000A70000-0x0000000000A7B000-memory.dmp

            Filesize

            44KB

          • memory/2824-22-0x0000000000A70000-0x0000000000A7B000-memory.dmp

            Filesize

            44KB

          • memory/2824-23-0x00000000000D0000-0x00000000000F8000-memory.dmp

            Filesize

            160KB