General

  • Target

    Confirmation.exe

  • Size

    438KB

  • Sample

    211018-lcf2dsdcf8

  • MD5

    ab3b57e3277c7be38aaa393edb6af19c

  • SHA1

    317d5be75f2f6d391bf4cf842335bd088083856d

  • SHA256

    192fd4e93cf9ef63a9268626e7fa1b6d9c1543ecf61a4fde4641d927bf35fdf6

  • SHA512

    ed52c57ccd02fd71ef059f440fe5a92f8f88a70d69442231f1e7abeeb77c17953f8301fc040e21f33f602db2539e90265c83b1aee9435ca4786f06ba2e9e9f33

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.northsrockusa.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    VoX,U=~j}n-V

Targets

    • Target

      Confirmation.exe

    • Size

      438KB

    • MD5

      ab3b57e3277c7be38aaa393edb6af19c

    • SHA1

      317d5be75f2f6d391bf4cf842335bd088083856d

    • SHA256

      192fd4e93cf9ef63a9268626e7fa1b6d9c1543ecf61a4fde4641d927bf35fdf6

    • SHA512

      ed52c57ccd02fd71ef059f440fe5a92f8f88a70d69442231f1e7abeeb77c17953f8301fc040e21f33f602db2539e90265c83b1aee9435ca4786f06ba2e9e9f33

    • AgentTesla

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

    • AgentTesla Payload

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks