General

  • Target

    8a9db782564f0af4f45ce9829e0b2f10024102c13fa28920fce2186f849edf76.exe

  • Size

    4.2MB

  • Sample

    241125-c53lestpfz

  • MD5

    313afbb9950c27be690ce768d37ddb0c

  • SHA1

    a780ef02e5f96460ad7b8a98bcc7ae6ab1f607fa

  • SHA256

    8a9db782564f0af4f45ce9829e0b2f10024102c13fa28920fce2186f849edf76

  • SHA512

    ede53f75d5723af9a1b2bf9d8d471fe2fc6f8809d6aa57d6767666f2d284db6d42f7d84bd88c6af4f733e74c69ff78d047f9b6d6c3305011fee187b2bf4e448d

  • SSDEEP

    98304:QdVpHH3sQLPAum5CRzyRQJpaHgwU95xMF58fDNtLZJkJAZZq:WHXZrAuECRzyRQ6bUm8fZt90

Malware Config

Targets

    • Target

      8a9db782564f0af4f45ce9829e0b2f10024102c13fa28920fce2186f849edf76.exe

    • Size

      4.2MB

    • MD5

      313afbb9950c27be690ce768d37ddb0c

    • SHA1

      a780ef02e5f96460ad7b8a98bcc7ae6ab1f607fa

    • SHA256

      8a9db782564f0af4f45ce9829e0b2f10024102c13fa28920fce2186f849edf76

    • SHA512

      ede53f75d5723af9a1b2bf9d8d471fe2fc6f8809d6aa57d6767666f2d284db6d42f7d84bd88c6af4f733e74c69ff78d047f9b6d6c3305011fee187b2bf4e448d

    • SSDEEP

      98304:QdVpHH3sQLPAum5CRzyRQJpaHgwU95xMF58fDNtLZJkJAZZq:WHXZrAuECRzyRQ6bUm8fZt90

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks