Analysis

  • max time kernel
    134s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06/01/2021, 07:53

General

  • Target
    rtgs_pdf.exe
  • Size 334KB
  • Sample210106-grsqeecj7a
  • SHA256 9affeeb392ec57f487776cb8da8e8abb89b3250aefa2d2f0b29997b0bd33d00f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

C2
  • http://www.destinny.com/s9zh/

Decoy
  • paintedinafrica.com

  • electrumfix.download

  • edlange.com

  • tqiawy.xyz

  • satiscenter.xyz

  • nc-affiliates.com

  • agencybuilderforum.com

  • testabcde.net

  • venisseturf.net

  • rubenvdsande.com

  • nzmatrimony.com

  • mdthriftsandflips.com

  • virtualfxstudio.com

  • communityinsuranceut.com

  • qqbokep.com

  • copeva.net

  • bookedupdaily.com

  • houstongrowmyairway.com

  • fortunapublishing.com

  • empireplumbingandheating.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\rtgs_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\rtgs_pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:60
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:192
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 1032
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1600
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
        PID:1252

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/192-2-0x0000000000400000-0x0000000000429000-memory.dmp

          memory/1600-5-0x0000000004FF0000-0x0000000004FF1000-memory.dmp