General

  • Target

    6762d4556e49a9fe0272ca23cb07595e6e7ca6b78d74cd6a8076678031f530f2.exe

  • Size

    491KB

  • Sample

    240530-bms4lahb5t

  • MD5

    e03150e70ad6d79cf0cdf217429cda61

  • SHA1

    d771aed76e171d6dd3c7f5e2f280fbbde3bb5091

  • SHA256

    6762d4556e49a9fe0272ca23cb07595e6e7ca6b78d74cd6a8076678031f530f2

  • SHA512

    f3d105765a186c5c6ab320d8f374a58b71d22fa071d6e0d3caaea0a6162352ac4e93d14707843e710edbe2963e8e63d4fc0bb80bc6e72ab9f013d74286ce4fb0

  • SSDEEP

    12288:0vdsolqcQb7KqhkJ9kmmpkA1W2lhXR7IXjk:RiQh5o0hB7Ak

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://mail.hearing-vision.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!

Targets

    • Target

      6762d4556e49a9fe0272ca23cb07595e6e7ca6b78d74cd6a8076678031f530f2.exe

    • Size

      491KB

    • MD5

      e03150e70ad6d79cf0cdf217429cda61

    • SHA1

      d771aed76e171d6dd3c7f5e2f280fbbde3bb5091

    • SHA256

      6762d4556e49a9fe0272ca23cb07595e6e7ca6b78d74cd6a8076678031f530f2

    • SHA512

      f3d105765a186c5c6ab320d8f374a58b71d22fa071d6e0d3caaea0a6162352ac4e93d14707843e710edbe2963e8e63d4fc0bb80bc6e72ab9f013d74286ce4fb0

    • SSDEEP

      12288:0vdsolqcQb7KqhkJ9kmmpkA1W2lhXR7IXjk:RiQh5o0hB7Ak

    • AgentTesla

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

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      ee260c45e97b62a5e42f17460d406068

    • SHA1

      df35f6300a03c4d3d3bd69752574426296b78695

    • SHA256

      e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    • SHA512

      a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

    • SSDEEP

      192:eF24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol9Sl:h8QIl975eXqlWBrz7YLOl9

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks