Analysis

  • max time kernel
    135s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 16:02

General

  • Target
    rMT103_126021720924.exe
  • Size 799KB
  • Sample241031-tgryfssnbl
  • SHA256 c68ac751c2b84e31bd64a9d318fd5cde9c1fa7f9f9090940808fef7989b3ade9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.haliza.com.my

  • Port

    21

  • Password

    JesusChrist007$

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.haliza.com.my

  • Port

    21

  • Password

    JesusChrist007$

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rMT103_126021720924.exe
    "C:\Users\Admin\AppData\Local\Temp\rMT103_126021720924.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\rMT103_126021720924.exe
      "C:\Users\Admin\AppData\Local\Temp\rMT103_126021720924.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:3232

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        rMT103_126021720924.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rMT103_126021720924.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/2104-10-0x0000000004F10000-0x0000000004F94000-memory.dmp

        memory/2104-16-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/2104-3-0x0000000005530000-0x00000000055C2000-memory.dmp

        memory/2104-0-0x000000007452E000-0x000000007452F000-memory.dmp

        memory/2104-5-0x00000000057B0000-0x000000000584C000-memory.dmp

        memory/2104-6-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/2104-7-0x0000000005950000-0x000000000596C000-memory.dmp

        memory/2104-8-0x000000007452E000-0x000000007452F000-memory.dmp

        memory/2104-2-0x0000000005A40000-0x0000000005FE4000-memory.dmp

        memory/2104-9-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/2104-4-0x0000000005470000-0x000000000547A000-memory.dmp

        memory/2104-1-0x0000000000B50000-0x0000000000C1E000-memory.dmp

        memory/3232-11-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/3232-15-0x0000000005130000-0x0000000005196000-memory.dmp

        memory/3232-14-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/3232-17-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/3232-19-0x0000000006750000-0x00000000067A0000-memory.dmp

        memory/3232-20-0x0000000074520000-0x0000000074CD0000-memory.dmp

        memory/3232-21-0x0000000074520000-0x0000000074CD0000-memory.dmp