General

  • Target

    b4ce91bdb3336fef3434454007575635a36024c050cf580ce5ce7c162f97e0d3.exe

  • Size

    1.7MB

  • Sample

    250122-d2b5qswqaq

  • MD5

    2c55963381999400a31814af76924bf9

  • SHA1

    08865749b07b73a4b09a5ae23686b11f12d1e97b

  • SHA256

    b4ce91bdb3336fef3434454007575635a36024c050cf580ce5ce7c162f97e0d3

  • SHA512

    fac18cae326373fbbe961cda0d41f0906562a1a8528e36fad012ceaa3ccf932b4e8196a0cbe2100371dabe45e3a71fef8f050190b0c726dbba34cf9cf51584ce

  • SSDEEP

    24576:ASexfdruzJDcQq/iFLpXq7TYA2rQtlHPI4Hs:dBz9qaFLVQB

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dod
  • Password:
    Doll900@@

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dod
  • Password:
    Doll900@@

Targets

    • Target

      b4ce91bdb3336fef3434454007575635a36024c050cf580ce5ce7c162f97e0d3.exe

    • Size

      1.7MB

    • MD5

      2c55963381999400a31814af76924bf9

    • SHA1

      08865749b07b73a4b09a5ae23686b11f12d1e97b

    • SHA256

      b4ce91bdb3336fef3434454007575635a36024c050cf580ce5ce7c162f97e0d3

    • SHA512

      fac18cae326373fbbe961cda0d41f0906562a1a8528e36fad012ceaa3ccf932b4e8196a0cbe2100371dabe45e3a71fef8f050190b0c726dbba34cf9cf51584ce

    • SSDEEP

      24576:ASexfdruzJDcQq/iFLpXq7TYA2rQtlHPI4Hs:dBz9qaFLVQB

    • AgentTesla

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

    • Agenttesla family

    • Executes dropped EXE

    • Loads dropped DLL

    • 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