General

  • Target

    e4598c7dc0adfa33b9140a385eab0350046c5b3433c0da676a5510803b9285c4.zip

  • Size

    1.5MB

  • Sample

    240430-cfs1pahc26

  • MD5

    b1df3cc35dc8793983b682f64d5529a4

  • SHA1

    3ebcf66c1fc288b32108b09f3edc2ef8bc4307db

  • SHA256

    e4598c7dc0adfa33b9140a385eab0350046c5b3433c0da676a5510803b9285c4

  • SHA512

    7713e0f9e5e61299db3a1b33c68bc744b292f859e0800251a6d82bab910dfb14ce35d9a74d67e52bebfd5de0e19348eaabc91a37efc9c86563141d7b459e0842

  • SSDEEP

    12288:7H7PW6OKVad7DLUrDfbUxMK1J8BgzaBq/WTy05X4AcdGNoP9:T7auaNDuDTUxZFeBZN5X42Nm9

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6418207961:AAH1E3CkRrfH5aPds3LBLBZiKWkWD7qbX90/

Targets

    • Target

      Payment Confirmation.exe

    • Size

      810.6MB

    • MD5

      812fe5ef59f8cbb7d7f3736240ff73c1

    • SHA1

      06f4822b98f5353615b4742191eab338af06ba8a

    • SHA256

      64eaa0a244acc5f54a880250edc683cf0527f8321e43167068ff4eb463612bbf

    • SHA512

      650c7870377173cc49bc71659d645d992beedbde203ccb11db2d2b0d0be8c4f62441122818b0264ca652d3655ae8f6ba8e7e05d9841985abe3943d291c29dc48

    • SSDEEP

      12288:PNgLeFR6rXlv312Z3Zpxax7Z9UrvcPcZpNvy+TJ+BMzaBqFWHi05XNYUO:yXJ312ZZHapZ4GcZpNvl/eB5J5X2J

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks