Analysis

  • max time kernel
    131s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:25

General

  • Target

    34433453-WONDN5-FTBO-9766464.exe

  • Size

    776KB

  • MD5

    7cecd11b35bf3d543e5430d11faa8bde

  • SHA1

    267eeb1e36466bc3a5dbe6c699495543567077cc

  • SHA256

    2f94a22459281f588230523a1ec32e45ef392d1e202a3e70f0606f66a44ea982

  • SHA512

    711547f380283937192536906f9e2184655e9463a2bd33a577ffcefcbc1e66080f4fc47812dcfb66596a9a03962ba09a68ab0439e38657f48cb4b8f49062e8e6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ionos.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    08140480968Ju@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • 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 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34433453-WONDN5-FTBO-9766464.exe
    "C:\Users\Admin\AppData\Local\Temp\34433453-WONDN5-FTBO-9766464.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\AppData\Local\Temp\34433453-WONDN5-FTBO-9766464.exe
      "{path}"
      2⤵
        PID:1684
      • C:\Users\Admin\AppData\Local\Temp\34433453-WONDN5-FTBO-9766464.exe
        "{path}"
        2⤵
          PID:1592
        • C:\Users\Admin\AppData\Local\Temp\34433453-WONDN5-FTBO-9766464.exe
          "{path}"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:1708

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1376-54-0x00000000001D0000-0x0000000000298000-memory.dmp

        Filesize

        800KB

      • memory/1376-55-0x0000000000350000-0x0000000000358000-memory.dmp

        Filesize

        32KB

      • memory/1376-56-0x0000000007430000-0x00000000074A6000-memory.dmp

        Filesize

        472KB

      • memory/1376-57-0x00000000009F0000-0x0000000000A46000-memory.dmp

        Filesize

        344KB

      • memory/1708-58-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1708-59-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1708-61-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1708-62-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1708-63-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1708-64-0x0000000000446ABE-mapping.dmp

      • memory/1708-66-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1708-68-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/1708-69-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

        Filesize

        8KB