General

  • Target

    7ed02bc6c2afa01f65055b7239734e3201b4f106b95e81744cadc012624a1304

  • Size

    1.0MB

  • Sample

    241016-bm3m2avfpd

  • MD5

    a4e17af0fe306a947ab56bd14c92fdc3

  • SHA1

    3c8f006d95332cef02e2036078690b8242c13b23

  • SHA256

    7ed02bc6c2afa01f65055b7239734e3201b4f106b95e81744cadc012624a1304

  • SHA512

    5c8be308ef5aa7d78031a20f3ff3b8e582a304d8a420153ec55b66e20667eb67f0b5205234ef85222fbb2b39e15b54a607ec172145c8ac9c9d9933a579288f81

  • SSDEEP

    24576:yqFkUJp3F7olnd7Zk+pCGlhxkAGIhVDD3DbmAM0oAMdXJsqPxwJoO:znJp6n9ZRL7xVzDD3vmz0o5buX

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    162.254.34.31
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ABwuRZS5Mjh5

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Book-1035.exe

    • Size

      1.2MB

    • MD5

      86b05a1ff6c2666707d2b2146e04345d

    • SHA1

      e6ba47fe0627aeec829a73bb881c07b7a0a86053

    • SHA256

      aefee5b023a592d74f538944bb9f31e15cda09cd99293bff57b6eb01ae1a7ee7

    • SHA512

      2d3cf87174245db0b2375a13853e049d67a3d2bc37cde3c09438551e901a1d782eaf95af40a7e0361f4be1bc2228075cfff3d8f8b5122cce57b031a32c6df046

    • SSDEEP

      24576:qt4vXmX3Fc47adnY3UIDGe6VhJ3hq3fN0ZmXM0AC6nXJsl:S4/mXBaJYkrpVDE3fNMmc065a

    • AgentTesla

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Drops startup file

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks