General

  • Target

    e5d94b10861ff0822286b1af802f28c36c8b87a7e8102c2a504998c94c916903

  • Size

    223KB

  • Sample

    221123-mwf16sfb72

  • MD5

    5ec41e09d02359ebc89412d507440a6b

  • SHA1

    a83ccaa5a55b74fe55a1e8ef9c0b09cbe1cd5617

  • SHA256

    e5d94b10861ff0822286b1af802f28c36c8b87a7e8102c2a504998c94c916903

  • SHA512

    9e3aab3e7d1b456a6822f49ef4860071620120d3ce447dff6ab235edc2ff6db5b4de0a87d889534a77e4a5210d3533bb821d9e0669321978a637ca0ed3335a85

  • SSDEEP

    3072:n4eYZ4+1JXJJuhccNcWfi9PHeqNrIIUV545RYipbBOQp7Drm7wqWVN3Pd+Kkrt:45O88ccNcWqjleV5qJhfO6N/d0

Malware Config

Targets

    • Target

      e5d94b10861ff0822286b1af802f28c36c8b87a7e8102c2a504998c94c916903

    • Size

      223KB

    • MD5

      5ec41e09d02359ebc89412d507440a6b

    • SHA1

      a83ccaa5a55b74fe55a1e8ef9c0b09cbe1cd5617

    • SHA256

      e5d94b10861ff0822286b1af802f28c36c8b87a7e8102c2a504998c94c916903

    • SHA512

      9e3aab3e7d1b456a6822f49ef4860071620120d3ce447dff6ab235edc2ff6db5b4de0a87d889534a77e4a5210d3533bb821d9e0669321978a637ca0ed3335a85

    • SSDEEP

      3072:n4eYZ4+1JXJJuhccNcWfi9PHeqNrIIUV545RYipbBOQp7Drm7wqWVN3Pd+Kkrt:45O88ccNcWqjleV5qJhfO6N/d0

    • 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.

    • Checks computer location settings

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

    • 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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks