Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/06/2024, 01:54

General

  • Target
    4397c1263474e99e7969a2a3c1794fbdf01332889accb90f4b600b09947f4890.exe
  • Size 850KB
  • Sample240612-cbt27aybre
  • SHA256 4397c1263474e99e7969a2a3c1794fbdf01332889accb90f4b600b09947f4890
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://beirutrest.com

  • Port

    21

  • Password

    9yXQ39wz(uL+

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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4397c1263474e99e7969a2a3c1794fbdf01332889accb90f4b600b09947f4890.exe
    "C:\Users\Admin\AppData\Local\Temp\4397c1263474e99e7969a2a3c1794fbdf01332889accb90f4b600b09947f4890.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Users\Admin\AppData\Local\Temp\4397c1263474e99e7969a2a3c1794fbdf01332889accb90f4b600b09947f4890.exe
      "C:\Users\Admin\AppData\Local\Temp\4397c1263474e99e7969a2a3c1794fbdf01332889accb90f4b600b09947f4890.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2816

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2816-12-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2816-10-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2816-24-0x00000000742C0000-0x00000000749AE000-memory.dmp

        memory/2816-23-0x00000000742C0000-0x00000000749AE000-memory.dmp

        memory/2816-21-0x00000000742C0000-0x00000000749AE000-memory.dmp

        memory/2816-16-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2816-7-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2816-8-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2816-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2816-18-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2816-20-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/2936-1-0x00000000010F0000-0x00000000011CC000-memory.dmp

        memory/2936-0-0x00000000742CE000-0x00000000742CF000-memory.dmp

        memory/2936-5-0x0000000005D60000-0x0000000005DE2000-memory.dmp

        memory/2936-22-0x00000000742C0000-0x00000000749AE000-memory.dmp

        memory/2936-4-0x00000000004D0000-0x00000000004E0000-memory.dmp

        memory/2936-3-0x0000000000520000-0x000000000053A000-memory.dmp

        memory/2936-2-0x00000000742C0000-0x00000000749AE000-memory.dmp