General

  • Target

    51e8ff6932b85ecac1babe0f71b7080c92eef993aa6b6b8b8fa55a61e5837d34.uue

  • Size

    604KB

  • Sample

    240612-bth7zaxfjb

  • MD5

    f47ad0314c3aca3952f9775a23a98d34

  • SHA1

    5bc08163428b39cc2567fa9cbbce92338db7cb91

  • SHA256

    51e8ff6932b85ecac1babe0f71b7080c92eef993aa6b6b8b8fa55a61e5837d34

  • SHA512

    be65f213652b7337650713714a7a36c90a7e6e70d0537d836e0cbcee8f7c90d9d2604097b0e2f072a62bbadb90f159b0633a7d3c14756a28815045f37968e3fa

  • SSDEEP

    12288:lHEVDi1S/2mPrB/ybU6ovrYaQc+Mcdd02/A5vXzBt7qdDifiEjVSulsipn8H:sYC2arFGU6kEc+3G2gzBt7WDirDp8H

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PROFORMA INVOICE.exe

    • Size

      1.1MB

    • MD5

      888dee7ea646f131294066ca251ac792

    • SHA1

      3608174c13ebf673f0f7424e0af8958cff5ad04c

    • SHA256

      d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62

    • SHA512

      bf9852949ec884f2f1d048284826ff326f6fb160d0b3500eb9a2aaa7dd17aa4a3bc6ba7510fd67b5067fc31bb67f5f92239614c3bb71fdd52d52bae8cb91cb58

    • SSDEEP

      24576:WAHnh+eWsN3skA4RV1Hom2KXMmHamVxjckYp3ZJGT5:xh+ZkldoPK8YamV9oZw

    • 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

    • Adds Run key to start application

    • 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