General

  • Target

    38a34bdb11f1ce758fcaff636f46ebc1fa1dcc786b2825b1fc48bcc5b9082ddb.exe

  • Size

    241KB

  • Sample

    240326-ck9t1aee8z

  • MD5

    a821e2148700e9b3c3531240c6d03aa2

  • SHA1

    b232b45909804fb29e1007c6000451328171cd54

  • SHA256

    38a34bdb11f1ce758fcaff636f46ebc1fa1dcc786b2825b1fc48bcc5b9082ddb

  • SHA512

    3cefebf60e92e67fd17966473d13616f920823f0136dfae6ba4577dd4ad3a646501f865817e598c83cbd7f9f98fa51060a26824b72f7195713124d11af5994a3

  • SSDEEP

    6144:HY1Lxpf3nvvsBRVNBbTrRQ1q+4n9vLOGyG:2pf3nvvsHVNB8pI9

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6388762619:AAH8JnaySQ2VtHauLKVr2Jt3seW2OsmChT8/

Targets

    • Target

      38a34bdb11f1ce758fcaff636f46ebc1fa1dcc786b2825b1fc48bcc5b9082ddb.exe

    • Size

      241KB

    • MD5

      a821e2148700e9b3c3531240c6d03aa2

    • SHA1

      b232b45909804fb29e1007c6000451328171cd54

    • SHA256

      38a34bdb11f1ce758fcaff636f46ebc1fa1dcc786b2825b1fc48bcc5b9082ddb

    • SHA512

      3cefebf60e92e67fd17966473d13616f920823f0136dfae6ba4577dd4ad3a646501f865817e598c83cbd7f9f98fa51060a26824b72f7195713124d11af5994a3

    • SSDEEP

      6144:HY1Lxpf3nvvsBRVNBbTrRQ1q+4n9vLOGyG:2pf3nvvsHVNB8pI9

    • 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 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.

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks