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General

  • Target

    b9be32df7c17dd87021dc2ebb56b1c4ea4b453e3e0d7072dfa572e416cb161a2

  • Size

    37KB

  • Sample

    240605-bfrl7aac83

  • MD5

    c5858e4c690557b5240597db6e4d88c9

  • SHA1

    055c0f300481f028f283c2c822af1746469c2676

  • SHA256

    b9be32df7c17dd87021dc2ebb56b1c4ea4b453e3e0d7072dfa572e416cb161a2

  • SHA512

    fbc7abc3c991d7d49c663aa8f8eae1ce47e4d703f55267dbbb2d1601b9d0d265feb96c78b92b6e6c29b519a2b5f12576924be5050faa94eb56f0fac2304d80b0

  • SSDEEP

    768:UZvvWq23Q5agCiK//6JyzUmyThHcdXtpSu:AvVrLK//OyLy5itH

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      b9be32df7c17dd87021dc2ebb56b1c4ea4b453e3e0d7072dfa572e416cb161a2

    • Size

      37KB

    • MD5

      c5858e4c690557b5240597db6e4d88c9

    • SHA1

      055c0f300481f028f283c2c822af1746469c2676

    • SHA256

      b9be32df7c17dd87021dc2ebb56b1c4ea4b453e3e0d7072dfa572e416cb161a2

    • SHA512

      fbc7abc3c991d7d49c663aa8f8eae1ce47e4d703f55267dbbb2d1601b9d0d265feb96c78b92b6e6c29b519a2b5f12576924be5050faa94eb56f0fac2304d80b0

    • SSDEEP

      768:UZvvWq23Q5agCiK//6JyzUmyThHcdXtpSu:AvVrLK//OyLy5itH

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks