Analysis

  • max time kernel
    153s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    18/02/2022, 12:05

General

  • Target
    INQUIRY 30562-JO.exe
  • Size 763KB
  • Sample220218-n87kbscea8
  • SHA256 882adac4b90bbb61698ae0056c7fc82a185f9b3e33f9ebbdb77bb20bcd16d41e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • xloader

Version
  • 2.5

Campaign
  • dnqi

Decoy
  • globexglobalstore.com

  • nanshalife.online

  • sferastp.com

  • coastalriskga.com

  • vintagealiso.com

  • bremosa.com

  • dirtymindtees.com

  • nonsensehenough.com

  • stakecompare.com

  • alphablackcars.com

  • vinawap.mobi

  • subito-credit.xyz

  • infowebp.com

  • boomboombusiness.com

  • pestancecontrol.xyz

  • amazingspanishlook.com

  • nb-xingya.com

  • bhawanitransports.com

  • contractor-mart.com

  • igingood.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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:2372
    • C:\Users\Admin\AppData\Local\Temp\INQUIRY 30562-JO.exe
      "C:\Users\Admin\AppData\Local\Temp\INQUIRY 30562-JO.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3524
      • C:\Windows\SysWOW64\DpiScaling.exe
        C:\Windows\System32\DpiScaling.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2796
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\DpiScaling.exe"
        3⤵
          PID:2680
    • C:\Windows\system32\MusNotifyIcon.exe
      %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
      1⤵
      • Checks processor information in registry
      PID:3232
    • 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:3268
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1464

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/2372-140-0x0000000008810000-0x0000000008928000-memory.dmp

          memory/2372-145-0x0000000008590000-0x00000000086C3000-memory.dmp

          memory/2600-144-0x00000000055D0000-0x0000000005660000-memory.dmp

          memory/2600-143-0x00000000057A0000-0x0000000005AEA000-memory.dmp

          memory/2600-142-0x0000000005000000-0x0000000005029000-memory.dmp

          memory/2600-141-0x0000000000430000-0x000000000043A000-memory.dmp

          memory/2796-137-0x0000000004580000-0x00000000048CA000-memory.dmp

          memory/2796-135-0x0000000000380000-0x0000000000381000-memory.dmp

          memory/2796-139-0x0000000000D30000-0x0000000000D41000-memory.dmp

          memory/2796-138-0x000000007249D000-0x000000007249E000-memory.dmp

          memory/2796-136-0x0000000072480000-0x00000000724A9000-memory.dmp

          memory/2796-134-0x0000000072480000-0x00000000724A9000-memory.dmp

          memory/3524-130-0x00000000006C0000-0x00000000006C1000-memory.dmp

          memory/3524-133-0x00000000039F6000-0x00000000039F7000-memory.dmp