Resubmissions

14-09-2021 08:51

210914-ksanwaaddn 10

13-09-2021 13:58

210913-q947psdgf5 10

General

  • Target

    mixshop_20210913-152925

  • Size

    302KB

  • Sample

    210914-ksanwaaddn

  • MD5

    2562972dd8803380fc754bd9eb897342

  • SHA1

    3f3460ca64a8ff5f67639a9d153fcbde2ada63c0

  • SHA256

    6f9ceec310ada7c427dd089f4bfc0016974a0e07faccb8d7dce51eb33a0210e4

  • SHA512

    9599f56d90627e33893f61a5385b87b1045b004100f5920624388f48cbe60140a41bdad0b88dd971b2e67dd06854519faf5d2a88a474157ddd9fcce86b721b35

Malware Config

Targets

    • Target

      mixshop_20210913-152925

    • Size

      302KB

    • MD5

      2562972dd8803380fc754bd9eb897342

    • SHA1

      3f3460ca64a8ff5f67639a9d153fcbde2ada63c0

    • SHA256

      6f9ceec310ada7c427dd089f4bfc0016974a0e07faccb8d7dce51eb33a0210e4

    • SHA512

      9599f56d90627e33893f61a5385b87b1045b004100f5920624388f48cbe60140a41bdad0b88dd971b2e67dd06854519faf5d2a88a474157ddd9fcce86b721b35

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks