Analysis

  • max time kernel
    154s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    10/03/2022, 15:38

General

  • Target
    doc.exe
  • Size 1.0MB
  • Sample220310-s24bjsbfbr
  • SHA256 c08090499272c9eb85fa61570bfd62799b3c3bd1441b1a86f2720bd03a17dfd5
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • ld23

Decoy
  • lms22j.com

  • es-autentificacion.com

  • lottoprevisioni.com

  • yvw3z.xyz

  • womenupclub.com

  • phoenixeducationcentreni.com

  • metaversegurme.com

  • candymediaaa.com

  • virginiafamilyhealth.com

  • scasus.com

  • wide-hub.com

  • 176218.com

  • huayidg.com

  • ticknft.site

  • sulfaa.com

  • system42.info

  • naturalhigh.love

  • taoshouyouac.xyz

  • lacasadeifolli.com

  • kotan3.com

Signatures

  • Formbook

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

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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 behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\doc.exe
      "C:\Users\Admin\AppData\Local\Temp\doc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:492
      • C:\Users\Admin\AppData\Local\Temp\doc.exe
        "C:\Users\Admin\AppData\Local\Temp\doc.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3888
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:3336
      • C:\Windows\SysWOW64\autoconv.exe
        "C:\Windows\SysWOW64\autoconv.exe"
        2⤵
          PID:3484
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\SysWOW64\rundll32.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1664
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\doc.exe"
            3⤵
              PID:2288

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/492-130-0x0000000000FB0000-0x00000000010BC000-memory.dmp

              memory/492-131-0x00000000061B0000-0x0000000006754000-memory.dmp

              memory/492-132-0x00000000750D0000-0x0000000075880000-memory.dmp

              memory/492-133-0x0000000005AC0000-0x0000000005B52000-memory.dmp

              memory/492-134-0x0000000005A60000-0x0000000005A6A000-memory.dmp

              memory/492-135-0x0000000005C00000-0x00000000061A4000-memory.dmp

              memory/492-136-0x0000000008370000-0x000000000840C000-memory.dmp

              memory/1664-144-0x0000000000460000-0x000000000048F000-memory.dmp

              memory/1664-143-0x0000000000AB0000-0x0000000000AC4000-memory.dmp

              memory/1664-145-0x00000000023D0000-0x000000000271A000-memory.dmp

              memory/1664-146-0x0000000002330000-0x00000000023C4000-memory.dmp

              memory/3020-142-0x0000000008A70000-0x0000000008B3B000-memory.dmp

              memory/3020-147-0x0000000009140000-0x00000000092B4000-memory.dmp

              memory/3888-139-0x00000000010E0000-0x000000000142A000-memory.dmp

              memory/3888-140-0x000000000041F000-0x0000000000420000-memory.dmp

              memory/3888-141-0x0000000001500000-0x0000000001515000-memory.dmp

              memory/3888-137-0x0000000000400000-0x000000000042F000-memory.dmp