Analysis

  • max time kernel
    122s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 14:10

General

  • Target

    97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe

  • Size

    868KB

  • MD5

    2327e5c20b3cce0be582dbe461480cc2

  • SHA1

    42d14ae8b60e22f36f487d8c3bee1ad43199170f

  • SHA256

    97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1

  • SHA512

    01f3c2ee422ccb7db9acbedc078d0d485508443de3366959df5ab9c4cd5eb67ee5d0dca29ee45c9a09a1adc8509e6bd4b28bdfc325c2310091e960338273009e

  • SSDEEP

    24576:zBXaePxOLRTgnZZSS+5VKGIUuZfEfCk7nXFGxR3X3N:9XaePxOLJgnZ0SQVKGSYCGYxRH3N

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
    "C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2060
    • 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\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2260
    • C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.exe
      "C:\Users\Admin\AppData\Local\Temp\97b6842b7ae2e92619f7001e81705c62395fd8d4a2d5dbfa20b47976aaa3cdd1.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:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2060-0-0x000000007436E000-0x000000007436F000-memory.dmp

    Filesize

    4KB

  • memory/2060-1-0x0000000000D20000-0x0000000000DFE000-memory.dmp

    Filesize

    888KB

  • memory/2060-2-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2060-3-0x00000000004A0000-0x00000000004B8000-memory.dmp

    Filesize

    96KB

  • memory/2060-4-0x000000007436E000-0x000000007436F000-memory.dmp

    Filesize

    4KB

  • memory/2060-5-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2060-6-0x0000000004D40000-0x0000000004DC8000-memory.dmp

    Filesize

    544KB

  • memory/2060-19-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2812-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2812-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2812-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2812-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2812-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2812-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2812-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2812-18-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2812-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2812-24-0x0000000074360000-0x0000000074A4E000-memory.dmp

    Filesize

    6.9MB