Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 02:29

General

  • Target

    dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe

  • Size

    798KB

  • MD5

    7b6a358d5eee6bd500984670ac90640b

  • SHA1

    b2863960feb24a1225d7fb9cb149c5d0a112fb21

  • SHA256

    dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa

  • SHA512

    f4b96e96af3922ea45c8b3e611686e3eb5a7cc037e93e390a3bb3774eb77d5f0d79ed5686ab63643d5e4c888660e2af61a57f114413d1b320f3f4ebaeb3644dd

  • SSDEEP

    12288:f4dNXYyCK2xrOoD2H7ySHcjkKoEz5WQLRCGbvNILt8rSBoLoD5S2iqrubK:gHoyC5D2GSODLdL9fvNILoSfS2a2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe
    "C:\Users\Admin\AppData\Local\Temp\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2528
    • 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\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2552
    • C:\Users\Admin\AppData\Local\Temp\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe
      "C:\Users\Admin\AppData\Local\Temp\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2528-19-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2528-1-0x0000000001250000-0x000000000131E000-memory.dmp

    Filesize

    824KB

  • memory/2528-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2528-3-0x0000000000260000-0x000000000027A000-memory.dmp

    Filesize

    104KB

  • memory/2528-4-0x0000000000280000-0x0000000000290000-memory.dmp

    Filesize

    64KB

  • memory/2528-5-0x0000000005CE0000-0x0000000005D52000-memory.dmp

    Filesize

    456KB

  • memory/2528-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/2692-7-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2692-18-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2692-13-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2692-10-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2692-9-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2692-8-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2692-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2692-15-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB