General

  • Target

    9f90e58343e50ae5c91cf92c7d83482dc0fd227d8c22c60feb2998e32977c23a.exe

  • Size

    1.0MB

  • Sample

    240523-b9mkbshc9y

  • MD5

    cd541afd25a538420d0e90fbf68bcf06

  • SHA1

    488d8391b108b55a472544443c0f677c36b4b65e

  • SHA256

    9f90e58343e50ae5c91cf92c7d83482dc0fd227d8c22c60feb2998e32977c23a

  • SHA512

    f4e7970e68dbd30c9d856244e8df83853db82792eeb85a38be2f104c42aad26365b9a943bf1d6a8681e4e1c89d5f0d45b0c5d738b2b74162795bd866fa8252d4

  • SSDEEP

    24576:/AHnh+eWsN3skA4RV1Hom2KXMmHaaudN0RPCfk5:ih+ZkldoPK8Yaa/CC

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.fosna.net
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    (=8fPSH$KO_!

Targets

    • Target

      9f90e58343e50ae5c91cf92c7d83482dc0fd227d8c22c60feb2998e32977c23a.exe

    • Size

      1.0MB

    • MD5

      cd541afd25a538420d0e90fbf68bcf06

    • SHA1

      488d8391b108b55a472544443c0f677c36b4b65e

    • SHA256

      9f90e58343e50ae5c91cf92c7d83482dc0fd227d8c22c60feb2998e32977c23a

    • SHA512

      f4e7970e68dbd30c9d856244e8df83853db82792eeb85a38be2f104c42aad26365b9a943bf1d6a8681e4e1c89d5f0d45b0c5d738b2b74162795bd866fa8252d4

    • SSDEEP

      24576:/AHnh+eWsN3skA4RV1Hom2KXMmHaaudN0RPCfk5:ih+ZkldoPK8Yaa/CC

    • 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 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

    • 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 Matrix

Tasks