Analysis

  • max time kernel
    24s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2025 04:30

General

  • Target

    9802175dc78cef260413c05623704f267eaa8184d8d6bcb68e15e82de4ee696e.exe

  • Size

    905KB

  • MD5

    8fbffb8434e574ea1bb6865da7af4c8d

  • SHA1

    557bac80418049b3c97821a2b60bb3928211a644

  • SHA256

    9802175dc78cef260413c05623704f267eaa8184d8d6bcb68e15e82de4ee696e

  • SHA512

    63c897dca939e97e142b95d692b3ea22d46178cee470cafceaae797226ddeaec5d6ddbb06346c946700f1860ec4ede17a03c37e3357e4848e2dc936a192e0fa8

  • SSDEEP

    24576:1CIee0JW/voReSPECqUYIu6HzxY27/c913X39:IBexvoReSnJu6HzxY2DC1H39

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9802175dc78cef260413c05623704f267eaa8184d8d6bcb68e15e82de4ee696e.exe
    "C:\Users\Admin\AppData\Local\Temp\9802175dc78cef260413c05623704f267eaa8184d8d6bcb68e15e82de4ee696e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2604
    • 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\9802175dc78cef260413c05623704f267eaa8184d8d6bcb68e15e82de4ee696e.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2916
    • C:\Users\Admin\AppData\Local\Temp\9802175dc78cef260413c05623704f267eaa8184d8d6bcb68e15e82de4ee696e.exe
      "C:\Users\Admin\AppData\Local\Temp\9802175dc78cef260413c05623704f267eaa8184d8d6bcb68e15e82de4ee696e.exe"
      2⤵
        PID:2836
      • C:\Users\Admin\AppData\Local\Temp\9802175dc78cef260413c05623704f267eaa8184d8d6bcb68e15e82de4ee696e.exe
        "C:\Users\Admin\AppData\Local\Temp\9802175dc78cef260413c05623704f267eaa8184d8d6bcb68e15e82de4ee696e.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3064

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2604-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

      Filesize

      4KB

    • memory/2604-1-0x0000000000BB0000-0x0000000000C98000-memory.dmp

      Filesize

      928KB

    • memory/2604-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

      Filesize

      6.9MB

    • memory/2604-3-0x0000000000330000-0x0000000000348000-memory.dmp

      Filesize

      96KB

    • memory/2604-4-0x00000000747FE000-0x00000000747FF000-memory.dmp

      Filesize

      4KB

    • memory/2604-5-0x00000000747F0000-0x0000000074EDE000-memory.dmp

      Filesize

      6.9MB

    • memory/2604-6-0x0000000000710000-0x0000000000798000-memory.dmp

      Filesize

      544KB

    • memory/2604-21-0x00000000747F0000-0x0000000074EDE000-memory.dmp

      Filesize

      6.9MB

    • memory/3064-7-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/3064-13-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/3064-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3064-10-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/3064-17-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/3064-8-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/3064-18-0x00000000747F0000-0x0000000074EDE000-memory.dmp

      Filesize

      6.9MB

    • memory/3064-15-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/3064-9-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/3064-24-0x00000000747F0000-0x0000000074EDE000-memory.dmp

      Filesize

      6.9MB