General

  • Target

    4f4cefde786d2d2fe0f061cfcceca68f

  • Size

    4.1MB

  • Sample

    240110-ck3exsbgel

  • MD5

    4f4cefde786d2d2fe0f061cfcceca68f

  • SHA1

    1f1371328250d3857500b5c8a727aa676e1c95f5

  • SHA256

    d8450b72d767c68655bc4e8482f3b887f3e68b5643127a6836e84a11e4082161

  • SHA512

    313b48009362960ce9745021006ddbdaacd9b3699f0289bc7bf124d74b0a9cd7571d10d7dce5677dda494ea6f476a82f73f72d3c2657e22894797b00f3ea790d

  • SSDEEP

    49152:ISlNHydXboE+2pKWTvP6p9kB/GS0fsXCFzSlNHydXboE+2pKWTvP6p9kB/GS0fsR:ISjydNCYn0+WSjydNCYn0+B

Score
10/10

Malware Config

Targets

    • Target

      4f4cefde786d2d2fe0f061cfcceca68f

    • Size

      4.1MB

    • MD5

      4f4cefde786d2d2fe0f061cfcceca68f

    • SHA1

      1f1371328250d3857500b5c8a727aa676e1c95f5

    • SHA256

      d8450b72d767c68655bc4e8482f3b887f3e68b5643127a6836e84a11e4082161

    • SHA512

      313b48009362960ce9745021006ddbdaacd9b3699f0289bc7bf124d74b0a9cd7571d10d7dce5677dda494ea6f476a82f73f72d3c2657e22894797b00f3ea790d

    • SSDEEP

      49152:ISlNHydXboE+2pKWTvP6p9kB/GS0fsXCFzSlNHydXboE+2pKWTvP6p9kB/GS0fsR:ISjydNCYn0+WSjydNCYn0+B

    Score
    10/10
    • Modifies visiblity of hidden/system files in Explorer

    • 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.

    • 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

    • Adds Run key to start application

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks