General

  • Target

    0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe

  • Size

    390KB

  • Sample

    240619-be46ws1amd

  • MD5

    6d281b347048efb9630700df95320517

  • SHA1

    e409949bb9027e2c9b1e671cd65ea1c7ba6f3f6a

  • SHA256

    0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1

  • SHA512

    b48f893f74303f521ee0575de72391617c3962abd39a1a13859f258e9e104df13c69da1d55dc2844152a229d9a388e697c020cad29fab048c1b4e20d93cd06ac

  • SSDEEP

    6144:IeU+RPztDcvogwMh6x3HRxl01FdYcEXKcty2vZ5VGxTpHzxJHjbh00gmm:I/WPzN0+EGRxl0Dd46cQaVGzHzxn00I

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s3.serv00.com
  • Port:
    21
  • Username:
    f9226_jono
  • Password:
    Ogasa56#@

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s3.serv00.com
  • Port:
    21
  • Username:
    f9226_jono
  • Password:
    Ogasa56#@

Targets

    • Target

      0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1.exe

    • Size

      390KB

    • MD5

      6d281b347048efb9630700df95320517

    • SHA1

      e409949bb9027e2c9b1e671cd65ea1c7ba6f3f6a

    • SHA256

      0d74af97359c1d0fd909164e90a90e1ebc8a519c9f906eaa72ee7cacc3ee33d1

    • SHA512

      b48f893f74303f521ee0575de72391617c3962abd39a1a13859f258e9e104df13c69da1d55dc2844152a229d9a388e697c020cad29fab048c1b4e20d93cd06ac

    • SSDEEP

      6144:IeU+RPztDcvogwMh6x3HRxl01FdYcEXKcty2vZ5VGxTpHzxJHjbh00gmm:I/WPzN0+EGRxl0Dd46cQaVGzHzxn00I

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

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

    • 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

    • 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.

    • Adds Run key to start application

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks