Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    25/02/2022, 10:29

General

  • Target
    RFQ ZHANGHAOBO CO.,LTD.exe
  • Size 1.0MB
  • Sample220225-mh85sshbdq
  • SHA256 d63af956dec05f8f8f440cc6feedb7d8045cbe0c2953eae0c9e612af8451c57c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • xloader

Version
  • 2.5

Campaign
  • iepw

Decoy
  • isabellechiritoiabogada.com

  • singaporeimpact.com

  • mdcxdgkr.com

  • fivestasrelectriccorp.com

  • apaspaa.com

  • datashen.com

  • yh2.space

  • remediationnews.com

  • randlesrice.com

  • mailclic.digital

  • n83a.com

  • wmeacc.com

  • cahuvoa.xyz

  • h0t-now.com

  • admtrans.com

  • yghdlhax.xyz

  • bakshipping.com

  • ambermariemusic.com

  • mandelbot.tech

  • cryptoassetmanager.xyz

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Users\Admin\AppData\Local\Temp\RFQ ZHANGHAOBO CO.,LTD.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ ZHANGHAOBO CO.,LTD.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3876
      • C:\Windows\SysWOW64\fontview.exe
        "C:\Windows\SysWOW64\fontview.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4692
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4408
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\fontview.exe"
        3⤵
          PID:212

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/992-137-0x00000000085F0000-0x00000000086F6000-memory.dmp

          memory/992-145-0x000000000F930000-0x000000000FAC0000-memory.dmp

          memory/3876-133-0x0000000005030000-0x0000000005031000-memory.dmp

          memory/3876-130-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

          memory/3876-132-0x00000000050E0000-0x000000000517C000-memory.dmp

          memory/3876-131-0x0000000000450000-0x0000000000558000-memory.dmp

          memory/4408-142-0x0000000000900000-0x0000000000929000-memory.dmp

          memory/4408-141-0x0000000000280000-0x00000000002A7000-memory.dmp

          memory/4408-143-0x00000000028F0000-0x0000000002C3A000-memory.dmp

          memory/4408-144-0x0000000002770000-0x0000000002800000-memory.dmp

          memory/4692-134-0x0000000000400000-0x0000000000445000-memory.dmp

          memory/4692-136-0x0000000000400000-0x0000000000445000-memory.dmp

          memory/4692-138-0x00000000012D0000-0x000000000161A000-memory.dmp

          memory/4692-139-0x000000000041D000-0x000000000041E000-memory.dmp

          memory/4692-140-0x0000000000D80000-0x0000000000D91000-memory.dmp