General

  • Target

    79a6c5f072caaf06cd2c231a921b7182867c1574f0f7ca42aa48eddc7e67d5da

  • Size

    1MB

  • Sample

    220731-f7tm3scaar

  • MD5

    f415e0651f77e4675adce4e5eab6e3ba

  • SHA1

    ce5753e7194dd65ffa300717b51494bbb4ccc06e

  • SHA256

    79a6c5f072caaf06cd2c231a921b7182867c1574f0f7ca42aa48eddc7e67d5da

  • SHA512

    37c243fcf954510c51bb42baf47ba80cf7e505a14c62534d47ce136cbba9ff55198bf7391c2c5c7008fca2810ea95327703c38e67d13ba3ae67020efe2a1e348

  • SSDEEP

    49152:/9YrbVbva8icXiXztEBHthz4f8SmrMCbFYymcCjm:FY3BvaXVBE1th06q

Malware Config

Extracted

Family

cryptbot

C2

myy01.top

Targets

    • Target

      79a6c5f072caaf06cd2c231a921b7182867c1574f0f7ca42aa48eddc7e67d5da

    • Size

      1MB

    • MD5

      f415e0651f77e4675adce4e5eab6e3ba

    • SHA1

      ce5753e7194dd65ffa300717b51494bbb4ccc06e

    • SHA256

      79a6c5f072caaf06cd2c231a921b7182867c1574f0f7ca42aa48eddc7e67d5da

    • SHA512

      37c243fcf954510c51bb42baf47ba80cf7e505a14c62534d47ce136cbba9ff55198bf7391c2c5c7008fca2810ea95327703c38e67d13ba3ae67020efe2a1e348

    • SSDEEP

      49152:/9YrbVbva8icXiXztEBHthz4f8SmrMCbFYymcCjm:FY3BvaXVBE1th06q

    • CryptBot

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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.

    • 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Execution

      Exfiltration

        Impact

          Initial Access

            Lateral Movement

              Persistence

                Privilege Escalation

                  Tasks