Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    02/09/2024, 12:08

General

  • Target
    Bill for the Month of August.exe
  • Size 1.1MB
  • Sample240902-pawkva1ane
  • SHA256 ad796730fe76da567b892419b2cdba44eeaef29bf62b637c3c3af4cce42886ce
  • 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\Bill for the Month of August.exe
      "C:\Users\Admin\AppData\Local\Temp\Bill for the Month of August.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2388
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\Bill for the Month of August.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2200
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1244
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\svchost.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2484

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/1200-16-0x0000000005120000-0x0000000005211000-memory.dmp

        memory/1200-28-0x0000000006B70000-0x0000000006C83000-memory.dmp

        memory/1200-26-0x0000000006B70000-0x0000000006C83000-memory.dmp

        memory/1200-25-0x0000000006B70000-0x0000000006C83000-memory.dmp

        memory/1200-20-0x0000000005120000-0x0000000005211000-memory.dmp

        memory/1244-17-0x0000000000050000-0x0000000000057000-memory.dmp

        memory/1244-18-0x0000000000050000-0x0000000000057000-memory.dmp

        memory/1244-19-0x0000000000090000-0x00000000000BF000-memory.dmp

        memory/2200-14-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/2200-15-0x0000000000180000-0x0000000000194000-memory.dmp

        memory/2200-12-0x00000000009E0000-0x0000000000CE3000-memory.dmp

        memory/2200-11-0x0000000000400000-0x000000000042F000-memory.dmp

        memory/2388-10-0x00000000001E0000-0x00000000001E4000-memory.dmp