Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 20:07

General

  • Target

    vbc.exe

  • Size

    337KB

  • MD5

    fb861097be51a4c1f963c83f6d6053fb

  • SHA1

    75184cd1e66ccbce5cc3ff42e47c24c3d87a5964

  • SHA256

    7834211343251375fd593b99c6d64a9c9cd90acb68d0f3970a9c964ad193c1b3

  • SHA512

    289cbdbffa9f57d00f2654fed8b0ce6009750dc111919916f300cec1dd761bda1887fd9b2668b5a64d00dac0fc2244a2b92c5d88e8ad75adf808dd8ace5193d4

  • SSDEEP

    6144:CHpP/LXH8RjIHp9bIYFUqQPMq9VmUDsxggqqOQhvpNcJ:CHpnjcxc/bInqpYmUDsqgeep

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

qjnt

Decoy

funeralinsurancetoppro.info

californiaredstate.com

xn--jpr220deud640b.com

playx.finance

siamfellow.com

tekirdagvethelp.com

forrealmodels.com

desenergie.info

whynotplus.com

graniteinaminute.com

satgurucolorlabs.com

potviper.com

racevx.xyz

thebluefishhotel.net

elletesla.com

4608capaydrive.com

buckhead-meat.com

garage-repair-near-me.com

ubique.works

markokuzmanovicpreduzetnik.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader family
  • Xloader payload 4 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.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 62 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 use of WriteProcessMemory
    PID:3340
    • 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 use of WriteProcessMemory
      PID:3644
      • 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:2068
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3416
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2068-3-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2068-5-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/3340-6-0x0000000008340000-0x00000000084CA000-memory.dmp

    Filesize

    1.5MB

  • memory/3340-12-0x0000000008340000-0x00000000084CA000-memory.dmp

    Filesize

    1.5MB

  • memory/3340-16-0x00000000087E0000-0x000000000896B000-memory.dmp

    Filesize

    1.5MB

  • memory/3340-17-0x00000000087E0000-0x000000000896B000-memory.dmp

    Filesize

    1.5MB

  • memory/3416-9-0x0000000000F90000-0x0000000000F9B000-memory.dmp

    Filesize

    44KB

  • memory/3416-10-0x0000000000F90000-0x0000000000F9B000-memory.dmp

    Filesize

    44KB

  • memory/3416-11-0x0000000000500000-0x0000000000529000-memory.dmp

    Filesize

    164KB

  • memory/3644-2-0x0000000000BD0000-0x0000000000BFA000-memory.dmp

    Filesize

    168KB

  • memory/3644-1-0x0000000000CB0000-0x0000000000DB0000-memory.dmp

    Filesize

    1024KB