Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 14:19

General

  • Target
    MalwareBazaar.exe
  • Size 1.1MB
  • Sample240724-rmybbazfnq
  • SHA256 d2a39b14a5228cf9cbaa0535645985cccc4bf04328e4de0592483b06b623242e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • pt46

Decoy
  • twinportslocal.com

  • rovor.store

  • 98169.club

  • mdywl.com

  • jrd3s.rest

  • aston1717.top

  • floridawoodworkingmachinery.com

  • 17tk555t.com

  • ankitsho.shop

  • seclameh.com

  • realrecordlabel.com

  • trenchonbirmingham.com

  • af28.top

  • rtp1kenzototo.com

  • theselflovesite.com

  • promotegetpaid.info

  • strategiclogisticsagency.com

  • learneracademy.net

  • per-watch.com

  • betbox2341.com

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3824
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1044
    • C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4332
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\svchost.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1788

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/1044-15-0x0000000001620000-0x0000000001634000-memory.dmp

        memory/1044-11-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/1044-12-0x0000000001700000-0x0000000001A4A000-memory.dmp

        memory/1044-14-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/3516-21-0x0000000002A00000-0x0000000002AF6000-memory.dmp

        memory/3516-16-0x0000000002A00000-0x0000000002AF6000-memory.dmp

        memory/3516-24-0x000000000A310000-0x000000000A436000-memory.dmp

        memory/3516-25-0x000000000A310000-0x000000000A436000-memory.dmp

        memory/3516-28-0x000000000A310000-0x000000000A436000-memory.dmp

        memory/3824-10-0x00000000008A0000-0x00000000008A4000-memory.dmp

        memory/4332-18-0x0000000000070000-0x0000000000086000-memory.dmp

        memory/4332-17-0x0000000000070000-0x0000000000086000-memory.dmp

        memory/4332-19-0x0000000000560000-0x000000000058F000-memory.dmp