Analysis

  • max time kernel
    93s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 01:07

General

  • Target

    078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d.exe

  • Size

    1.3MB

  • MD5

    b6b094b48e6bb079ca0e1f42d145baff

  • SHA1

    f565ba1bf316db46ce939176ae13d94bcd2c2999

  • SHA256

    078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d

  • SHA512

    64f187fe0fb71e4b7e239ff2c6fb96d11d8b52c8f85bdbc951fefb7ce064ff4bf7c0492476be6f13f83011496844b7cac1924b4796f9f1310443b3266366122f

  • SSDEEP

    24576:/8V74TIvF31QRutLW/Nye+NuiiySewAIynNyFZQvww:kZ46FoPMNTtzTnNyv

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    uy,o#mZj8$lY

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    uy,o#mZj8$lY

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d.exe
    "C:\Users\Admin\AppData\Local\Temp\078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d.exe
      "C:\Users\Admin\AppData\Local\Temp\078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d.exe"
      2⤵
        PID:4664
      • C:\Users\Admin\AppData\Local\Temp\078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d.exe
        "C:\Users\Admin\AppData\Local\Temp\078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1484-13-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/1484-23-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-22-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-21-0x00000000069F0000-0x0000000006A40000-memory.dmp

      Filesize

      320KB

    • memory/1484-18-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-17-0x0000000005380000-0x00000000053E6000-memory.dmp

      Filesize

      408KB

    • memory/1484-15-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2628-10-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2628-6-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2628-9-0x00000000751EE000-0x00000000751EF000-memory.dmp

      Filesize

      4KB

    • memory/2628-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

      Filesize

      4KB

    • memory/2628-11-0x0000000005970000-0x000000000598A000-memory.dmp

      Filesize

      104KB

    • memory/2628-12-0x0000000005990000-0x0000000005996000-memory.dmp

      Filesize

      24KB

    • memory/2628-7-0x0000000005070000-0x000000000510E000-memory.dmp

      Filesize

      632KB

    • memory/2628-8-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2628-16-0x00000000751E0000-0x0000000075990000-memory.dmp

      Filesize

      7.7MB

    • memory/2628-5-0x0000000004D20000-0x0000000004D2A000-memory.dmp

      Filesize

      40KB

    • memory/2628-4-0x0000000004E40000-0x0000000004EDC000-memory.dmp

      Filesize

      624KB

    • memory/2628-3-0x0000000004DA0000-0x0000000004E32000-memory.dmp

      Filesize

      584KB

    • memory/2628-2-0x00000000052B0000-0x0000000005854000-memory.dmp

      Filesize

      5.6MB

    • memory/2628-1-0x00000000001A0000-0x00000000002F4000-memory.dmp

      Filesize

      1.3MB