Analysis

  • max time kernel
    119s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 01:20

General

  • Target

    XH4qdxHojXJKXSw.exe

  • Size

    881KB

  • MD5

    d47f63ebc20069af88b0e10e50ba9af5

  • SHA1

    b66a77a912924ab4830089af84f4a70c6109468d

  • SHA256

    113a19f388033e4860daf2ba9600a2e26590d5db897877c22a971ff1399285ed

  • SHA512

    16c151479406420e697d5540b76a6f4c6e87bc4011a8cd85662ee323bb65b7cd4aa4baa9ff791486124b7981e96a5801cd1915b9c91bbbed9acb14858ed6b232

  • SSDEEP

    12288:5aqB1H6KgblsHTy5brVxbaIHEPTLt/Lcg+fQFqM2Kjelk6:5aMsxsHTy5PVxBo/tTcgqQ8M2KEk

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7127892531:AAEiHDJV9da3w0nCvFvRsf9JJXqlkX03L5o/

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 2 TTPs

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XH4qdxHojXJKXSw.exe
    "C:\Users\Admin\AppData\Local\Temp\XH4qdxHojXJKXSw.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\XH4qdxHojXJKXSw.exe
      "C:\Users\Admin\AppData\Local\Temp\XH4qdxHojXJKXSw.exe"
      2⤵
        PID:2676
      • C:\Users\Admin\AppData\Local\Temp\XH4qdxHojXJKXSw.exe
        "C:\Users\Admin\AppData\Local\Temp\XH4qdxHojXJKXSw.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2416-0-0x000000007491E000-0x000000007491F000-memory.dmp

      Filesize

      4KB

    • memory/2416-1-0x0000000000E40000-0x0000000000F22000-memory.dmp

      Filesize

      904KB

    • memory/2416-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2416-3-0x0000000000960000-0x000000000097A000-memory.dmp

      Filesize

      104KB

    • memory/2416-4-0x0000000000940000-0x0000000000950000-memory.dmp

      Filesize

      64KB

    • memory/2416-5-0x0000000005290000-0x0000000005312000-memory.dmp

      Filesize

      520KB

    • memory/2416-6-0x000000007491E000-0x000000007491F000-memory.dmp

      Filesize

      4KB

    • memory/2416-7-0x0000000074910000-0x0000000074FFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2416-25-0x0000000074910000-0x0000000074FFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2724-12-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-10-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-14-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-18-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-8-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-24-0x0000000074910000-0x0000000074FFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2724-23-0x0000000074910000-0x0000000074FFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2724-22-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2724-26-0x0000000074910000-0x0000000074FFE000-memory.dmp

      Filesize

      6.9MB