Overview

overview

10

Static

static

3

f3728fd1a4...63.exe

windows7-x64

10

f3728fd1a4...63.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3728fd1a4f584d4fe5de4cbc70aafe0d14a9ddfd9ae6a714c6a05956c687963

  • Size

    1.8MB

  • Sample

    250109-ptz3daskbm

  • MD5

    50440a504184bdcba50641629d4c9ac6

  • SHA1

    5642f04832aaa6569858c429e0b0825a38b66f3b

  • SHA256

    f3728fd1a4f584d4fe5de4cbc70aafe0d14a9ddfd9ae6a714c6a05956c687963

  • SHA512

    6cd77477730ad8386958585315fad001177ff23241700decefda2094843f81f335dcf6e9c331505e18b1662873c40f16ad0224fd5a824b451be0ea8a2c103244

  • SSDEEP

    49152:FaQ3W19xVcZiJ2HDJ5WP54SdGFKRW1fKSF0oaeLaJ:FaQ3WjxVcgKJQh4tFoW1fKSWl

Score
10/10
gcleanerdiscoveryevasionloader

Malware Config

Targets

    • Target

      f3728fd1a4f584d4fe5de4cbc70aafe0d14a9ddfd9ae6a714c6a05956c687963

    • Size

      1.8MB

    • MD5

      50440a504184bdcba50641629d4c9ac6

    • SHA1

      5642f04832aaa6569858c429e0b0825a38b66f3b

    • SHA256

      f3728fd1a4f584d4fe5de4cbc70aafe0d14a9ddfd9ae6a714c6a05956c687963

    • SHA512

      6cd77477730ad8386958585315fad001177ff23241700decefda2094843f81f335dcf6e9c331505e18b1662873c40f16ad0224fd5a824b451be0ea8a2c103244

    • SSDEEP

      49152:FaQ3W19xVcZiJ2HDJ5WP54SdGFKRW1fKSF0oaeLaJ:FaQ3WjxVcgKJQh4tFoW1fKSWl

    Score
    10/10
    gcleanerdiscoveryevasionloader

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

      loadergcleaner

    • Gcleaner family

      gcleaner

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

      evasion

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

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

      evasion

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks