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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02/09/2024, 13:25

General

  • Target

    b27978ed194861aefac16772c229ff70288f71cc59611679eae88035a6c0191a.exe

  • Size

    569KB

  • MD5

    809ba3f19600317ac167b5ec0612fa02

  • SHA1

    2d1990457f60acdfac8c15466fa18b97aa181d68

  • SHA256

    b27978ed194861aefac16772c229ff70288f71cc59611679eae88035a6c0191a

  • SHA512

    e4ccc0642c1c08862281e6064526bcc09f6a2a8158ff63d8bd7f4247aa77eeb29ac290425f3f0a20a34cb2335048fcaeb689b05e67e3e16f5ccd60770213a703

  • SSDEEP

    12288:FN86X601YM8eTlbuN3S/7xM1gPkUifDa3KdqxhzsWrKTJoe:FNf8A6NUVMna3Kdaho0+Z

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b27978ed194861aefac16772c229ff70288f71cc59611679eae88035a6c0191a.exe
    "C:\Users\Admin\AppData\Local\Temp\b27978ed194861aefac16772c229ff70288f71cc59611679eae88035a6c0191a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\b27978ed194861aefac16772c229ff70288f71cc59611679eae88035a6c0191a.exe
      "C:\Users\Admin\AppData\Local\Temp\b27978ed194861aefac16772c229ff70288f71cc59611679eae88035a6c0191a.exe"
      2⤵
        PID:2704
      • C:\Users\Admin\AppData\Local\Temp\b27978ed194861aefac16772c229ff70288f71cc59611679eae88035a6c0191a.exe
        "C:\Users\Admin\AppData\Local\Temp\b27978ed194861aefac16772c229ff70288f71cc59611679eae88035a6c0191a.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2832

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2832-20-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2832-21-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2832-24-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2832-23-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2832-18-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2832-16-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2832-13-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2832-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2832-11-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2832-9-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2832-12-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3004-1-0x0000000000BC0000-0x0000000000C54000-memory.dmp

      Filesize

      592KB

    • memory/3004-8-0x0000000004C20000-0x0000000004C8A000-memory.dmp

      Filesize

      424KB

    • memory/3004-7-0x00000000004B0000-0x00000000004BC000-memory.dmp

      Filesize

      48KB

    • memory/3004-6-0x0000000000420000-0x0000000000428000-memory.dmp

      Filesize

      32KB

    • memory/3004-0-0x000000007420E000-0x000000007420F000-memory.dmp

      Filesize

      4KB

    • memory/3004-5-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB

    • memory/3004-4-0x000000007420E000-0x000000007420F000-memory.dmp

      Filesize

      4KB

    • memory/3004-22-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB

    • memory/3004-3-0x00000000003B0000-0x00000000003C4000-memory.dmp

      Filesize

      80KB

    • memory/3004-2-0x0000000074200000-0x00000000748EE000-memory.dmp

      Filesize

      6.9MB