General

  • Target

    obi1.exe

  • Size

    811KB

  • Sample

    210719-v41smsxprn

  • MD5

    40cc8249b0f31d6e1c0065aab24007b1

  • SHA1

    f73e02ad09976ade8985ec833c5743dc387c9687

  • SHA256

    662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

  • SHA512

    0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

Malware Config

Extracted

Family

warzonerat

C2

dfdgdsasedw.ydns.eu:34566

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1880141509:AAHjseWsCVnzygKB72YGbdj6S0DpdeKfGSs/sendDocument

Targets

    • Target

      obi1.exe

    • Size

      811KB

    • MD5

      40cc8249b0f31d6e1c0065aab24007b1

    • SHA1

      f73e02ad09976ade8985ec833c5743dc387c9687

    • SHA256

      662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

    • SHA512

      0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • AgentTesla Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • Loads dropped DLL

    • 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.

    • Modifies WinLogon

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks