Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2024 01:15

General

  • Target

    13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe

  • Size

    668KB

  • MD5

    b4306234a3b45c69df6a6a7cecd6070c

  • SHA1

    323197c988bc794e3a6314fce81dc20c48d234ee

  • SHA256

    13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8

  • SHA512

    a30bd4b6365ced8bf53fd6f57c0e30896bdea733305c2c51bd4e63f7c3451a12b64e85cd16c292a02cae6ae2083532ec72ff5151dfed7aa708279aa259cefe16

  • SSDEEP

    12288:cHgnFyHgP/NbIyeSPqBFAbCS2m+2hTMRZuEAFgzknK7N8VJqaW:c+yHs/Nt8BUCmZhTGZuBFKR8V

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alkuwaiti.com
  • Port:
    587
  • Username:
    electronics@alkuwaiti.com
  • Password:
    Ele@1804
  • Email To:
    successbright053@gmail.com

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 6 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 6 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 6 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 6 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 6 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe
    "C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe
      "C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe"
      2⤵
        PID:2920
      • C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe
        "C:\Users\Admin\AppData\Local\Temp\13129eaaaee8200a17214e947f0e984d10050e79c2cd5a963d7ada54ce3aa0a8.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2524

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2524-9-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2524-19-0x0000000074360000-0x0000000074A4E000-memory.dmp
      Filesize

      6.9MB

    • memory/2524-7-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2524-14-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2524-20-0x0000000004AF0000-0x0000000004B30000-memory.dmp
      Filesize

      256KB

    • memory/2524-16-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2524-18-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2524-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2524-11-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2524-22-0x0000000074360000-0x0000000074A4E000-memory.dmp
      Filesize

      6.9MB

    • memory/2524-10-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2784-2-0x0000000000710000-0x0000000000750000-memory.dmp
      Filesize

      256KB

    • memory/2784-0-0x0000000000260000-0x000000000030A000-memory.dmp
      Filesize

      680KB

    • memory/2784-1-0x0000000074360000-0x0000000074A4E000-memory.dmp
      Filesize

      6.9MB

    • memory/2784-6-0x000000000A1F0000-0x000000000A272000-memory.dmp
      Filesize

      520KB

    • memory/2784-5-0x0000000000700000-0x0000000000714000-memory.dmp
      Filesize

      80KB

    • memory/2784-4-0x00000000004D0000-0x00000000004DE000-memory.dmp
      Filesize

      56KB

    • memory/2784-21-0x0000000074360000-0x0000000074A4E000-memory.dmp
      Filesize

      6.9MB

    • memory/2784-3-0x0000000000420000-0x0000000000438000-memory.dmp
      Filesize

      96KB