General

  • Target

    a90376e69a69555a4e215171be0130521d5fa893f1719129196390e32c198d1d

  • Size

    422KB

  • Sample

    250111-bq6tvswrds

  • MD5

    257f1ef70d60e2ecf6583d4d9bd2df55

  • SHA1

    a7b9e77c99d981643041ef7dff0f9de75cd9840b

  • SHA256

    a90376e69a69555a4e215171be0130521d5fa893f1719129196390e32c198d1d

  • SHA512

    c5e0d1a84d14a9a5c53d0a0c1e513167effe1a5b34711d972155cac7c57fc19a28d12b74061f670fd28114873b82b22574a2883d35c93c18c1571010e2796d00

  • SSDEEP

    12288:NPmmYhHlM/XoLSf0Ghz99G3SeR1NzMsJ78:dpYhHlQvzKR/MsJo

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evico
  • Password:
    Doll650#@

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evico
  • Password:
    Doll650#@

Targets

    • Target

      HBL # SZNLAX3030890775 - TD230912001A/HBL # SZNLAX3030890775 - TD230912001A.exe

    • Size

      920KB

    • MD5

      219a95000b6d3aaa75463c5a2b5d0a23

    • SHA1

      4d0756f8fed9f292cf2da488cbcf86cc8b55074b

    • SHA256

      c413ed27fe8d4271dd5d6965632a60e97a6e5d53e1e8aaf09375ce4c8708213b

    • SHA512

      bb5252714a6ea4865c54fb8ae9f83a5c9b6c190571f0cdc63f743a5b70a982b53492155b64fd3b0a2891e64360c3e8bddea3a54336bbae662ba0df83ba79ddae

    • SSDEEP

      12288:Oh4HTLUkSr6KBgC0fLjbHEoBKy0aMaSzOKy2r7SPN1ndm:1TLUkS+K30fzHj9MaSSKy2/SPN1ng

    • AgentTesla

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

    • Agenttesla family

    • 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