General

  • Target

    df33ae147a5f6f328208b7db0a15304b2f5a9b2c9be31dba5abbdbdd839c4171.exe

  • Size

    4.2MB

  • Sample

    241118-vfcykszrdt

  • MD5

    f574be87c08b01cfbc8963a092934c39

  • SHA1

    b1613615b6d3bf7fc804b8b7d9de88d6bd6d0e2d

  • SHA256

    df33ae147a5f6f328208b7db0a15304b2f5a9b2c9be31dba5abbdbdd839c4171

  • SHA512

    018a0010b1ab80ad0b89494fc50146a35fc46bfa196602b4c829ffecf54b1d539188f16edeacfd2029e09c301cd7187909ab2445cca5e3ac81801b3038c9a7f9

  • SSDEEP

    98304:4otD52k8suSvvYB9QkFhQ1wl+iuIW9sjOE9hr0bTBB98d:4oSkld4bQkF6Cl+Vh09hrkBBCd

Malware Config

Targets

    • Target

      df33ae147a5f6f328208b7db0a15304b2f5a9b2c9be31dba5abbdbdd839c4171.exe

    • Size

      4.2MB

    • MD5

      f574be87c08b01cfbc8963a092934c39

    • SHA1

      b1613615b6d3bf7fc804b8b7d9de88d6bd6d0e2d

    • SHA256

      df33ae147a5f6f328208b7db0a15304b2f5a9b2c9be31dba5abbdbdd839c4171

    • SHA512

      018a0010b1ab80ad0b89494fc50146a35fc46bfa196602b4c829ffecf54b1d539188f16edeacfd2029e09c301cd7187909ab2445cca5e3ac81801b3038c9a7f9

    • SSDEEP

      98304:4otD52k8suSvvYB9QkFhQ1wl+iuIW9sjOE9hr0bTBB98d:4oSkld4bQkF6Cl+Vh09hrkBBCd

    • 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