Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2024, 14:33

General

  • Target
    tYEY1UeurGz0Mjb.exe
  • Size 606KB
  • Sample240704-rwva1szerc
  • SHA256 76650fb8aeaf679cd204ca347026a67767ab8d9c27f65597b275d8d57327e096
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • dy13

Decoy
  • manga-house.com

  • kjsdhklssk51.xyz

  • b0ba138.xyz

  • bt365033.com

  • ccbsinc.net

  • mrwine.xyz

  • nrxkrd527o.xyz

  • hoshi.social

  • 1912ai.com

  • serco2020.com

  • byfchfyr.xyz

  • imuschestvostorgov.online

  • austinheafey.com

  • mrdfa.club

  • 883106.photos

  • profitablefxmarkets.com

  • taini00.net

  • brye.top

  • ginsm.com

  • sportglid.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
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe
      "C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4368
      • C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe
        "C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3876
    • C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\tYEY1UeurGz0Mjb.exe"
        3⤵
          PID:2728

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3432-33-0x0000000008CD0000-0x0000000008DD9000-memory.dmp

          memory/3432-30-0x0000000008CD0000-0x0000000008DD9000-memory.dmp

          memory/3432-29-0x0000000008CD0000-0x0000000008DD9000-memory.dmp

          memory/3432-23-0x000000000BCB0000-0x000000000BE5C000-memory.dmp

          memory/3432-18-0x000000000BCB0000-0x000000000BE5C000-memory.dmp

          memory/3876-14-0x0000000001680000-0x00000000019CA000-memory.dmp

          memory/3876-16-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/3876-17-0x0000000001560000-0x0000000001575000-memory.dmp

          memory/3876-11-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/4140-21-0x00000000012B0000-0x00000000012DF000-memory.dmp

          memory/4140-20-0x00000000009A0000-0x00000000009AA000-memory.dmp

          memory/4140-19-0x00000000009A0000-0x00000000009AA000-memory.dmp

          memory/4368-6-0x0000000005570000-0x000000000558A000-memory.dmp

          memory/4368-13-0x0000000074650000-0x0000000074E00000-memory.dmp

          memory/4368-10-0x000000000F6B0000-0x000000000F74C000-memory.dmp

          memory/4368-9-0x000000000C030000-0x000000000C0A6000-memory.dmp

          memory/4368-8-0x000000000BDB0000-0x000000000BDBC000-memory.dmp

          memory/4368-7-0x0000000008DA0000-0x0000000008DA8000-memory.dmp

          memory/4368-0-0x000000007465E000-0x000000007465F000-memory.dmp

          memory/4368-5-0x00000000052C0000-0x00000000052CA000-memory.dmp

          memory/4368-4-0x0000000074650000-0x0000000074E00000-memory.dmp

          memory/4368-3-0x00000000051F0000-0x0000000005282000-memory.dmp

          memory/4368-2-0x00000000058F0000-0x0000000005E94000-memory.dmp

          memory/4368-1-0x0000000000770000-0x000000000080E000-memory.dmp