Analysis

  • max time kernel
    115s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 02:44

General

  • Target

    f1ac86388ffe376b99f91b580e0d31128f385954d790121561717ed6bbb6561b.exe

  • Size

    829KB

  • MD5

    707b90ec211ff5a1c9292f80fdee0b36

  • SHA1

    5fa7e481b898e93a2438a9902bbc12b64368191a

  • SHA256

    f1ac86388ffe376b99f91b580e0d31128f385954d790121561717ed6bbb6561b

  • SHA512

    4da929a2c1d4f7dc48df4989f3d24af42ab4c9bb236864fcdde44ea93f04913b59797e4090cea6c063c0beb2efde6e32b592931924db4fa5cde9377d36981485

  • SSDEEP

    12288:KsMa2YUjyww0wiQ6lD1vOccAw13MBcveJuGhRa6VmLM3YWAydbfqD6HaK7ec9S:KsMa2Y2jomFWP13ycveAGoM3YW

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.starlinetrading.com
  • Port:
    587
  • Username:
    info@starlinetrading.com
  • Password:
    Tmn@#1571963?%

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.starlinetrading.com
  • Port:
    587
  • Username:
    info@starlinetrading.com
  • Password:
    Tmn@#1571963?%
  • Email To:
    im.betmach@gmail.com

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1ac86388ffe376b99f91b580e0d31128f385954d790121561717ed6bbb6561b.exe
    "C:\Users\Admin\AppData\Local\Temp\f1ac86388ffe376b99f91b580e0d31128f385954d790121561717ed6bbb6561b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Users\Admin\AppData\Local\Temp\f1ac86388ffe376b99f91b580e0d31128f385954d790121561717ed6bbb6561b.exe
      "C:\Users\Admin\AppData\Local\Temp\f1ac86388ffe376b99f91b580e0d31128f385954d790121561717ed6bbb6561b.exe"
      2⤵
        PID:4216
      • C:\Users\Admin\AppData\Local\Temp\f1ac86388ffe376b99f91b580e0d31128f385954d790121561717ed6bbb6561b.exe
        "C:\Users\Admin\AppData\Local\Temp\f1ac86388ffe376b99f91b580e0d31128f385954d790121561717ed6bbb6561b.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1616

    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

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f1ac86388ffe376b99f91b580e0d31128f385954d790121561717ed6bbb6561b.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/1616-10-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1616-18-0x0000000074680000-0x0000000074E30000-memory.dmp
      Filesize

      7.7MB

    • memory/1616-17-0x0000000006670000-0x00000000066C0000-memory.dmp
      Filesize

      320KB

    • memory/1616-16-0x0000000005880000-0x00000000058E6000-memory.dmp
      Filesize

      408KB

    • memory/1616-15-0x0000000005970000-0x0000000005980000-memory.dmp
      Filesize

      64KB

    • memory/1616-14-0x0000000074680000-0x0000000074E30000-memory.dmp
      Filesize

      7.7MB

    • memory/4468-4-0x0000000007440000-0x0000000007450000-memory.dmp
      Filesize

      64KB

    • memory/4468-8-0x00000000025E0000-0x00000000025EC000-memory.dmp
      Filesize

      48KB

    • memory/4468-9-0x00000000087B0000-0x0000000008832000-memory.dmp
      Filesize

      520KB

    • memory/4468-7-0x00000000025C0000-0x00000000025D2000-memory.dmp
      Filesize

      72KB

    • memory/4468-6-0x0000000008920000-0x00000000089BC000-memory.dmp
      Filesize

      624KB

    • memory/4468-5-0x00000000071F0000-0x00000000071FA000-memory.dmp
      Filesize

      40KB

    • memory/4468-13-0x0000000074680000-0x0000000074E30000-memory.dmp
      Filesize

      7.7MB

    • memory/4468-0-0x0000000000250000-0x0000000000326000-memory.dmp
      Filesize

      856KB

    • memory/4468-3-0x0000000007230000-0x00000000072C2000-memory.dmp
      Filesize

      584KB

    • memory/4468-2-0x0000000007740000-0x0000000007CE4000-memory.dmp
      Filesize

      5.6MB

    • memory/4468-1-0x0000000074680000-0x0000000074E30000-memory.dmp
      Filesize

      7.7MB