General

  • Target

    39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe

  • Size

    670KB

  • Sample

    240523-bqmqzsge53

  • MD5

    41373fb609440bc4177a1db81e594b69

  • SHA1

    d67b37e144112e75cea9aa32f3c29775c8cfe045

  • SHA256

    39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b

  • SHA512

    bc7305c0375cb972ad151c4320704fef47c6f266d692ba44ce278e12e07b06030a0aa42593d5e68f2ce9ecb112543417eab883c9e0787b7cb17a415b4899313b

  • SSDEEP

    12288:CCguti8LkpEatDtW4uBiCv4CFXuOkq9b6O9P7Q0NRUONkR:Fj4jEiWliCwwu8oYP7Q0NRUn

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe

    • Size

      670KB

    • MD5

      41373fb609440bc4177a1db81e594b69

    • SHA1

      d67b37e144112e75cea9aa32f3c29775c8cfe045

    • SHA256

      39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b

    • SHA512

      bc7305c0375cb972ad151c4320704fef47c6f266d692ba44ce278e12e07b06030a0aa42593d5e68f2ce9ecb112543417eab883c9e0787b7cb17a415b4899313b

    • SSDEEP

      12288:CCguti8LkpEatDtW4uBiCv4CFXuOkq9b6O9P7Q0NRUONkR:Fj4jEiWliCwwu8oYP7Q0NRUn

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks