General

  • Target

    7fd14673f73717b024728ae4248be0a1579f480a261c4f4d94742f230a01cb47.exe

  • Size

    706KB

  • Sample

    240427-bwhdfsgb73

  • MD5

    7a6e9d01d9162c7537ba8091187e4235

  • SHA1

    f5b69f4b0ec8cd0a4b7bab26a0de167c8cc535cd

  • SHA256

    7fd14673f73717b024728ae4248be0a1579f480a261c4f4d94742f230a01cb47

  • SHA512

    7af388861a5be63b87e8159e2b20bf78d110517b8db6a314a7128cba29075734be43c543b1d701e360778d539951c58e3c06bc2ee2e2ad6855d0067fff55a199

  • SSDEEP

    12288:mWYIPXjxannnHg2rA1a8vHKzUREMEngfnRhU0KjqdAwz725zfjVfjKIsj+1F0DxY:mWYIPFannnHg2Qa86n0LdAA70ztjRh0W

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      7fd14673f73717b024728ae4248be0a1579f480a261c4f4d94742f230a01cb47.exe

    • Size

      706KB

    • MD5

      7a6e9d01d9162c7537ba8091187e4235

    • SHA1

      f5b69f4b0ec8cd0a4b7bab26a0de167c8cc535cd

    • SHA256

      7fd14673f73717b024728ae4248be0a1579f480a261c4f4d94742f230a01cb47

    • SHA512

      7af388861a5be63b87e8159e2b20bf78d110517b8db6a314a7128cba29075734be43c543b1d701e360778d539951c58e3c06bc2ee2e2ad6855d0067fff55a199

    • SSDEEP

      12288:mWYIPXjxannnHg2rA1a8vHKzUREMEngfnRhU0KjqdAwz725zfjVfjKIsj+1F0DxY:mWYIPFannnHg2Qa86n0LdAA70ztjRh0W

    • 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

    • Checks computer location settings

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

    • 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.

    • 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