General

  • Target

    fb5370ec722cdaf242c6abec2a08a7fb511628e6a234079eb68871bf65c2b05a

  • Size

    1023KB

  • Sample

    240614-g2gxrsyamb

  • MD5

    ea4f8267c2260fb052b341d9f69c0632

  • SHA1

    f0ec693efa46ef9a15a3435753c123371003f8e1

  • SHA256

    fb5370ec722cdaf242c6abec2a08a7fb511628e6a234079eb68871bf65c2b05a

  • SHA512

    28966d01867cd6778b7eba3a6d8b47aa5f32157779a56ed37c2b98c121d1bb63b58ec4de5e1bbc1112aa0b03aabf489f3fe3b21daa4d668b319790117a3908e9

  • SSDEEP

    12288:nXzYttfET2YbYJYahP03l0WolIkmUDEnUvjHrn9Qpj11mNAfH1PGgAHIypUvY:nkj2TMqah8yWgDc3H1AaH1+pjf

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      fb5370ec722cdaf242c6abec2a08a7fb511628e6a234079eb68871bf65c2b05a

    • Size

      1023KB

    • MD5

      ea4f8267c2260fb052b341d9f69c0632

    • SHA1

      f0ec693efa46ef9a15a3435753c123371003f8e1

    • SHA256

      fb5370ec722cdaf242c6abec2a08a7fb511628e6a234079eb68871bf65c2b05a

    • SHA512

      28966d01867cd6778b7eba3a6d8b47aa5f32157779a56ed37c2b98c121d1bb63b58ec4de5e1bbc1112aa0b03aabf489f3fe3b21daa4d668b319790117a3908e9

    • SSDEEP

      12288:nXzYttfET2YbYJYahP03l0WolIkmUDEnUvjHrn9Qpj11mNAfH1PGgAHIypUvY:nkj2TMqah8yWgDc3H1AaH1+pjf

    • 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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks