Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 02:10

General

  • Target

    f069d9a92a90362bf1e409c0308a320e732ec7a01f33acd0522bee9ac4a00056.exe

  • Size

    548KB

  • MD5

    16dd0b8ee53304c23619ff6551690448

  • SHA1

    2e28eae5dfeaefb70f3fc5149881088853c33a1d

  • SHA256

    f069d9a92a90362bf1e409c0308a320e732ec7a01f33acd0522bee9ac4a00056

  • SHA512

    526449dc4e13d69f7a02540a8e5cf8e72006c13c897b6d6c66955660ae157128558d381f5b269dedad2d745f47af22057c02fcbfff66acf759a0ec8f6f2f6129

  • SSDEEP

    12288:RxA2TNNPHPr2n2My/PQaqdKSLQUrCnnc3eW6/dO+CVwZgQY2pi+4P6BJH:RLTr22D/kLQU+nnOeFg+CVKPd

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    lFAvm@p#@z92

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    lFAvm@p#@z92

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f069d9a92a90362bf1e409c0308a320e732ec7a01f33acd0522bee9ac4a00056.exe
    "C:\Users\Admin\AppData\Local\Temp\f069d9a92a90362bf1e409c0308a320e732ec7a01f33acd0522bee9ac4a00056.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\unlOvmub" /XML "C:\Users\Admin\AppData\Local\Temp\tmp27C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3536
    • C:\Users\Admin\AppData\Local\Temp\f069d9a92a90362bf1e409c0308a320e732ec7a01f33acd0522bee9ac4a00056.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1500
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:4148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp27C.tmp

    Filesize

    1KB

    MD5

    c9eb50169b73349a83618d95fdd4bec0

    SHA1

    de019467fafd64d731354025f5b8f5031b217a09

    SHA256

    374dbf28f4c5bcc448de0bd85f58b353bf86c8eefed8f849ba34d57818b6f1a9

    SHA512

    3b2de41ef39050b74b146484aaae2766bda41c0853f552e5873d1f4653cfd3d164ac593dd4f2c54a80649a9e0c518bbb4c97be0e5e941b96b714901930b02c55

  • memory/1500-11-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/1500-19-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1500-18-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1500-16-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1500-15-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1500-13-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1612-3-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1612-5-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1612-14-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1612-4-0x0000000075242000-0x0000000075243000-memory.dmp

    Filesize

    4KB

  • memory/1612-0-0x0000000075242000-0x0000000075243000-memory.dmp

    Filesize

    4KB

  • memory/1612-2-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB

  • memory/1612-1-0x0000000075240000-0x00000000757F1000-memory.dmp

    Filesize

    5.7MB