Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/11/2024, 09:23

General

  • Target

    345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe

  • Size

    557KB

  • MD5

    96feba74e48fc61d3edfe20e5b27aabd

  • SHA1

    6be5d7a5f807ad6f3bbc9cc818364539fc8c3b47

  • SHA256

    345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794

  • SHA512

    ddba6354f54c9385d0762b61e0a66b8095b3037c0ed845fc0e949a2da9ab9279f6935f63b3b72243123ae4d9d31618bf1d4bfcb18526739dcb7ed71e1ad9b02a

  • SSDEEP

    6144:JGxhL8mMIrNvxbosyyouw0/hLu3EbDPeXhlMxDCQRknEBTKYhSAjazE3WHeUO68I:4/D9GsyyoyJLQgKXhWJTJhSAFdYf

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    zxcvbnm12345

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • 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).

  • 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe
    "C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uqxpXHCD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp585D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2752
    • C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe
      "C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe"
      2⤵
        PID:2856
      • C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe
        "C:\Users\Admin\AppData\Local\Temp\345c1cfc774d0442bd1c1d434ea26843686651d741aeeb27264a07fe241a0794.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2844-25-0x00000000740B0000-0x000000007479E000-memory.dmp

      Filesize

      6.9MB

    • memory/2844-19-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2844-29-0x00000000740B0000-0x000000007479E000-memory.dmp

      Filesize

      6.9MB

    • memory/2844-28-0x00000000740B0000-0x000000007479E000-memory.dmp

      Filesize

      6.9MB

    • memory/2844-27-0x00000000740B0000-0x000000007479E000-memory.dmp

      Filesize

      6.9MB

    • memory/2844-24-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2844-12-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2844-15-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2844-21-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2844-14-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2844-16-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2844-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2900-5-0x00000000740B0000-0x000000007479E000-memory.dmp

      Filesize

      6.9MB

    • memory/2900-1-0x0000000000300000-0x0000000000392000-memory.dmp

      Filesize

      584KB

    • memory/2900-26-0x00000000740B0000-0x000000007479E000-memory.dmp

      Filesize

      6.9MB

    • memory/2900-0-0x00000000740BE000-0x00000000740BF000-memory.dmp

      Filesize

      4KB

    • memory/2900-6-0x0000000004DB0000-0x0000000004E10000-memory.dmp

      Filesize

      384KB

    • memory/2900-4-0x00000000740BE000-0x00000000740BF000-memory.dmp

      Filesize

      4KB

    • memory/2900-3-0x0000000000640000-0x000000000064E000-memory.dmp

      Filesize

      56KB

    • memory/2900-2-0x00000000740B0000-0x000000007479E000-memory.dmp

      Filesize

      6.9MB