General

  • Target
    ec36989321fb62bb857a24a53d1491fd.exe
  • Size 694KB
  • Sample210715-hm11l7wxv2
  • SHA256 eb4e54c1372f7002b2b49a9918e67f84d65e52f1b12c5b7313420a48d5305e41
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • cryptbot

C2
  • wymbdu42.top

  • morkus04.top

Attributes
  • payload_url

    http://hofiwb05.top/download.php?file=lv.exe

Targets

    • Target
      ec36989321fb62bb857a24a53d1491fd.exe
    • Size 694KB
    • SHA256 eb4e54c1372f7002b2b49a9918e67f84d65e52f1b12c5b7313420a48d5305e41
    • MD5 SHA1 SHA512
    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot Payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Drops startup file

    • 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 web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks