Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/05/2024, 01:05

General

  • Target

    Payment Advice Note.IMG.jpeg.exe

  • Size

    2.2MB

  • MD5

    33f757b5f43d5146225afe03caa5e767

  • SHA1

    eb8f927d3137f3a7ac6d2288d4b4ca35fd8786a4

  • SHA256

    169d7ce0d0f9c49e69087aa9a17f99362614d343a59cbc64a0ad114db38efea7

  • SHA512

    1bfd35e283bd47705e2c1fd6a87f8c8edb57d4632c53aa69faad0d0b4e500f64a222fab155ac1d1f22cbc8e40d2053fca75149967d80500b04c8ce80ad00c049

  • SSDEEP

    49152:7kW5SSCI796NCKT79OYmdliytPH704SC96DTrP2mEWCRgl85ETW:7D5PCoMNnT7tmdliytT04UrefRCMEq

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • Adds Run key to start application 2 TTPs 2 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advice Note.IMG.jpeg.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice Note.IMG.jpeg.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice Note.IMG.jpeg.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice Note.IMG.jpeg.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3220

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2768-48-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-8-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-2-0x0000000004A40000-0x0000000004C70000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-20-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-3-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-4-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-24-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-28-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-26-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-22-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-18-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-16-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-14-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-12-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-10-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-52-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-6-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-34-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-36-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-50-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-32-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-40-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-1-0x0000000000300000-0x0000000000538000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-0-0x00000000743AE000-0x00000000743AF000-memory.dmp

          Filesize

          4KB

        • memory/2768-4885-0x00000000743A0000-0x0000000074A8E000-memory.dmp

          Filesize

          6.9MB

        • memory/2768-60-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-62-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-66-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-56-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-46-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-44-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-42-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-38-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-30-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-54-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-64-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-4884-0x0000000004730000-0x000000000477C000-memory.dmp

          Filesize

          304KB

        • memory/2768-4883-0x0000000004950000-0x00000000049BC000-memory.dmp

          Filesize

          432KB

        • memory/2768-58-0x0000000004A40000-0x0000000004C6A000-memory.dmp

          Filesize

          2.2MB

        • memory/2768-4886-0x00000000743A0000-0x0000000074A8E000-memory.dmp

          Filesize

          6.9MB

        • memory/2768-4887-0x0000000004F60000-0x0000000004FB4000-memory.dmp

          Filesize

          336KB

        • memory/2768-4906-0x00000000743A0000-0x0000000074A8E000-memory.dmp

          Filesize

          6.9MB

        • memory/3220-4905-0x00000000000C0000-0x0000000000102000-memory.dmp

          Filesize

          264KB

        • memory/3220-4904-0x00000000743A0000-0x0000000074A8E000-memory.dmp

          Filesize

          6.9MB

        • memory/3220-4907-0x00000000743A0000-0x0000000074A8E000-memory.dmp

          Filesize

          6.9MB

        • memory/3220-4909-0x00000000743A0000-0x0000000074A8E000-memory.dmp

          Filesize

          6.9MB