General

  • Target

    2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe

  • Size

    745KB

  • Sample

    240213-dafnvace3z

  • MD5

    8a944460181bc7450e02a40c14eb8833

  • SHA1

    2c92ae1e51efea2fd46e9274a0a2e19c8f214d4a

  • SHA256

    2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879

  • SHA512

    f21a9045b18c7c2741aab440038db43e2a519513770d7ac02b4d179b4afb27f0d5ae5e2236d2c595646d118cecfe6d931fc99f24790ca25d48a2b1ed4605b435

  • SSDEEP

    12288:3SqEIqkzqHKMbj18vVWw1cdSFVX1hzpGNTzmFG5v6p7MVvXOa3GX6MZI8ddwf+Xi:38IJz87bh8vVV1ciVzzp6uF46+fOa3G2

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.afconnl.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ah!kfC@0

Targets

    • Target

      2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879.exe

    • Size

      745KB

    • MD5

      8a944460181bc7450e02a40c14eb8833

    • SHA1

      2c92ae1e51efea2fd46e9274a0a2e19c8f214d4a

    • SHA256

      2369c0f2028ebc10f12c923fda0e97715c246ddbb0698b3379c5e6b403188879

    • SHA512

      f21a9045b18c7c2741aab440038db43e2a519513770d7ac02b4d179b4afb27f0d5ae5e2236d2c595646d118cecfe6d931fc99f24790ca25d48a2b1ed4605b435

    • SSDEEP

      12288:3SqEIqkzqHKMbj18vVWw1cdSFVX1hzpGNTzmFG5v6p7MVvXOa3GX6MZI8ddwf+Xi:38IJz87bh8vVV1ciVzzp6uF46+fOa3G2

    • 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 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks