General

  • Target

    a6dcc8e0c9af9d28865e6d64f6c2317c7970dd5e2706fcde33871c4d12329469.rtf

  • Size

    70KB

  • Sample

    240312-dhrfbagd67

  • MD5

    e959e69dfb1a7811bbe481bff160f3d4

  • SHA1

    196b0cbc196dab44d19d8252e115a8045e919ea1

  • SHA256

    a6dcc8e0c9af9d28865e6d64f6c2317c7970dd5e2706fcde33871c4d12329469

  • SHA512

    e3c94647083f65fae550ab77ab07227bf034f10c62fa6f9341d2ceb8fd2df23ce26bec5ef4038efb1d248fd8d53cfa9fadee78e75a2bdb96f78520e5ddc8f6ee

  • SSDEEP

    1536:AvxZvtkD43yXMA8gC9+EdS4jP107ZMtom:AvDtkEC4nJYeom

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.stingatoareincendii.ro
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    {_kiS5z*l0N.

Targets

    • Target

      a6dcc8e0c9af9d28865e6d64f6c2317c7970dd5e2706fcde33871c4d12329469.rtf

    • Size

      70KB

    • MD5

      e959e69dfb1a7811bbe481bff160f3d4

    • SHA1

      196b0cbc196dab44d19d8252e115a8045e919ea1

    • SHA256

      a6dcc8e0c9af9d28865e6d64f6c2317c7970dd5e2706fcde33871c4d12329469

    • SHA512

      e3c94647083f65fae550ab77ab07227bf034f10c62fa6f9341d2ceb8fd2df23ce26bec5ef4038efb1d248fd8d53cfa9fadee78e75a2bdb96f78520e5ddc8f6ee

    • SSDEEP

      1536:AvxZvtkD43yXMA8gC9+EdS4jP107ZMtom:AvDtkEC4nJYeom

    • 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

    • Blocklisted process makes network request

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks