Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:38

General

  • Target

    1c47aec0da0d2085fe47ac978d556175410056f85c1da7b6c13b3e599432d687.exe

  • Size

    836KB

  • MD5

    0e82f257488485107ca89c6fe560847f

  • SHA1

    ca2d4606d85f3d13ca28724a065f9b39813e097d

  • SHA256

    1c47aec0da0d2085fe47ac978d556175410056f85c1da7b6c13b3e599432d687

  • SHA512

    c7ed74ddfed55382cebdef4bd6efb1f39e7d932241a24f2cfcac7f08e91a6f278515d3e2dc042973614f0db3ef11bce76881566a8dbe53daff5fc85d0dc1194e

  • SSDEEP

    24576:fw4bjw4bgo+RLvXK/54VbTtU0gnCTtFV7:fw4bjw4bgoKgydTtwotf

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c47aec0da0d2085fe47ac978d556175410056f85c1da7b6c13b3e599432d687.exe
    "C:\Users\Admin\AppData\Local\Temp\1c47aec0da0d2085fe47ac978d556175410056f85c1da7b6c13b3e599432d687.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1c47aec0da0d2085fe47ac978d556175410056f85c1da7b6c13b3e599432d687.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2196
    • C:\Users\Admin\AppData\Local\Temp\1c47aec0da0d2085fe47ac978d556175410056f85c1da7b6c13b3e599432d687.exe
      "C:\Users\Admin\AppData\Local\Temp\1c47aec0da0d2085fe47ac978d556175410056f85c1da7b6c13b3e599432d687.exe"
      2⤵
        PID:2656
      • C:\Users\Admin\AppData\Local\Temp\1c47aec0da0d2085fe47ac978d556175410056f85c1da7b6c13b3e599432d687.exe
        "C:\Users\Admin\AppData\Local\Temp\1c47aec0da0d2085fe47ac978d556175410056f85c1da7b6c13b3e599432d687.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2992

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1252-19-0x00000000745C0000-0x0000000074CAE000-memory.dmp
      Filesize

      6.9MB

    • memory/1252-1-0x00000000012D0000-0x00000000013A4000-memory.dmp
      Filesize

      848KB

    • memory/1252-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp
      Filesize

      6.9MB

    • memory/1252-3-0x0000000000420000-0x000000000043A000-memory.dmp
      Filesize

      104KB

    • memory/1252-4-0x0000000000330000-0x0000000000340000-memory.dmp
      Filesize

      64KB

    • memory/1252-5-0x0000000005200000-0x0000000005282000-memory.dmp
      Filesize

      520KB

    • memory/1252-0-0x00000000745CE000-0x00000000745CF000-memory.dmp
      Filesize

      4KB

    • memory/2992-14-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2992-6-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2992-8-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2992-11-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2992-18-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2992-16-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2992-10-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2992-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB