Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    09-02-2022 20:34

General

  • Target

    bnxcvbzxvxzvxzvzxvzx.exe

  • Size

    680KB

  • MD5

    d5025c93cb55f4249b4a25a56725a052

  • SHA1

    50b93b51d0ffa4baffd40bf96b3967b115886d5d

  • SHA256

    6893bbff4695dce3754071670e11d7e7d310ad196b57cdb41cd8c3cd7ea3d8f3

  • SHA512

    754c71110c83a092bf18ed15ee56cffd3661d0f0801faa9189ce908a0fd1747422d4f73c751d12f10e18a0378abd9b77a099d6a9dc5153725ee26fad32699fc3

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

be4o

Decoy

neonewway.club

kuanghong.club

7bkj.com

ooo-club.com

kamchatka-agency.com

sjsndtvitzru.mobi

noireimpactcollective.net

justbe-event.com

easypeasy.community

southcoast.glass

janhenningsen.com

jmxyjj.com

tarihibilet.com

nagradi7.com

percentrostered.net

certvaxid.com

kingseafoodsydney.com

blacksheepwalk.com

waktuk.com

inteligenciaenrefrigeracion.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\AppData\Local\Temp\bnxcvbzxvxzvxzvzxvzx.exe
      "C:\Users\Admin\AppData\Local\Temp\bnxcvbzxvxzvxzvzxvzx.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:860
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2400
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
        3⤵
          PID:2644
    • C:\Windows\system32\MusNotifyIcon.exe
      %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
      1⤵
      • Checks processor information in registry
      PID:652
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k NetworkService -p
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:1944

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/860-133-0x0000000000DF0000-0x0000000000EA0000-memory.dmp
      Filesize

      704KB

    • memory/860-134-0x00007FFAB0E63000-0x00007FFAB0E65000-memory.dmp
      Filesize

      8KB

    • memory/860-135-0x000000001CA10000-0x000000001CA12000-memory.dmp
      Filesize

      8KB

    • memory/2400-139-0x00000000017D0000-0x0000000001B1A000-memory.dmp
      Filesize

      3.3MB

    • memory/2400-138-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/2400-140-0x000000000041D000-0x000000000041E000-memory.dmp
      Filesize

      4KB

    • memory/2400-136-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/2400-141-0x0000000001330000-0x0000000001341000-memory.dmp
      Filesize

      68KB

    • memory/2448-142-0x0000000007B40000-0x0000000007CA6000-memory.dmp
      Filesize

      1.4MB

    • memory/2448-149-0x0000000007CB0000-0x0000000007DDC000-memory.dmp
      Filesize

      1.2MB

    • memory/2864-146-0x0000000002400000-0x0000000002429000-memory.dmp
      Filesize

      164KB

    • memory/2864-145-0x00000000000C0000-0x00000000000D2000-memory.dmp
      Filesize

      72KB

    • memory/2864-147-0x0000000004290000-0x00000000045DA000-memory.dmp
      Filesize

      3.3MB

    • memory/2864-148-0x0000000004120000-0x00000000041B0000-memory.dmp
      Filesize

      576KB