Analysis

  • max time kernel
    140s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 02:04

General

  • Target

    11527f1499b09390dd0be749b8f38a75d765615fe6cbabf26cb31ddb065e4551.exe

  • Size

    680KB

  • MD5

    71229729615c16ec03083cc91987b28d

  • SHA1

    d65c075917153586070b762e83e37bb3a490b60a

  • SHA256

    11527f1499b09390dd0be749b8f38a75d765615fe6cbabf26cb31ddb065e4551

  • SHA512

    a0d1ed246dfcdb80bdd3889aa095a152cb8fe7fe6f4678c4b7a8cc9fc53913ea03aafd0b71e2b3417f67aab52e8b13dcdc93a9275206225a4535caed36c7bbe9

  • SSDEEP

    12288:SNrIbw8eGkE0rIrDrkWhddMugJ1+MPw6B/lq3MqJFTPYFkueno2kWqQ05:0cbw8eGkszjcJMqw6B/l6MqE

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ofilsysterns.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @o^M)K*1

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 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
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11527f1499b09390dd0be749b8f38a75d765615fe6cbabf26cb31ddb065e4551.exe
    "C:\Users\Admin\AppData\Local\Temp\11527f1499b09390dd0be749b8f38a75d765615fe6cbabf26cb31ddb065e4551.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\11527f1499b09390dd0be749b8f38a75d765615fe6cbabf26cb31ddb065e4551.exe
      "{path}"
      2⤵
        PID:880
      • C:\Users\Admin\AppData\Local\Temp\11527f1499b09390dd0be749b8f38a75d765615fe6cbabf26cb31ddb065e4551.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4648

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2492-12-0x000000000C010000-0x000000000C04C000-memory.dmp

      Filesize

      240KB

    • memory/2492-17-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2492-2-0x0000000007D00000-0x0000000007D9C000-memory.dmp

      Filesize

      624KB

    • memory/2492-3-0x0000000008350000-0x00000000088F4000-memory.dmp

      Filesize

      5.6MB

    • memory/2492-4-0x0000000007DA0000-0x0000000007E32000-memory.dmp

      Filesize

      584KB

    • memory/2492-5-0x0000000005200000-0x000000000520A000-memory.dmp

      Filesize

      40KB

    • memory/2492-6-0x0000000007F70000-0x0000000007FC6000-memory.dmp

      Filesize

      344KB

    • memory/2492-7-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2492-8-0x0000000007CE0000-0x0000000007CF4000-memory.dmp

      Filesize

      80KB

    • memory/2492-9-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

      Filesize

      4KB

    • memory/2492-10-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2492-11-0x0000000008B00000-0x0000000008B82000-memory.dmp

      Filesize

      520KB

    • memory/2492-1-0x0000000000D60000-0x0000000000E10000-memory.dmp

      Filesize

      704KB

    • memory/2492-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

      Filesize

      4KB

    • memory/4648-13-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/4648-16-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4648-15-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4648-18-0x0000000006240000-0x0000000006258000-memory.dmp

      Filesize

      96KB

    • memory/4648-19-0x00000000062F0000-0x0000000006356000-memory.dmp

      Filesize

      408KB

    • memory/4648-20-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4648-21-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4648-22-0x0000000006950000-0x00000000069A0000-memory.dmp

      Filesize

      320KB

    • memory/4648-23-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4648-24-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB