Overview

overview

10

Static

static

3

ef3906bb54...5N.exe

windows7-x64

10

ef3906bb54...5N.exe

windows10-2004-x64

10

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General

  • Target

    ef3906bb549d9247f731a0df8f71caf57ee20a0f9d37b2abebca3e9d3655cd75N.exe

  • Size

    1.8MB

  • Sample

    241231-w66t1svrgj

  • MD5

    a153226ed15542d091be38e9f08e9880

  • SHA1

    922b10c510d55223e9c0fa9d48836788eef44125

  • SHA256

    ef3906bb549d9247f731a0df8f71caf57ee20a0f9d37b2abebca3e9d3655cd75

  • SHA512

    4e349aaee379b09a92abdeb7496883e2e0841fc4fdb8f7ff6369676d79bd137728318aae80ecddb7f47e1a0fb3d5c7f2ca50157539a32aa099dcd1e453111496

  • SSDEEP

    49152:VTL4Fkw4+fxjg0mjRakStRASAUnKzwHboIrCZsMPT:d4Fkw4Yxjds18mQntfr2P

Score
10/10
gcleanerdiscoveryevasionloader

Malware Config

Targets

    • Target

      ef3906bb549d9247f731a0df8f71caf57ee20a0f9d37b2abebca3e9d3655cd75N.exe

    • Size

      1.8MB

    • MD5

      a153226ed15542d091be38e9f08e9880

    • SHA1

      922b10c510d55223e9c0fa9d48836788eef44125

    • SHA256

      ef3906bb549d9247f731a0df8f71caf57ee20a0f9d37b2abebca3e9d3655cd75

    • SHA512

      4e349aaee379b09a92abdeb7496883e2e0841fc4fdb8f7ff6369676d79bd137728318aae80ecddb7f47e1a0fb3d5c7f2ca50157539a32aa099dcd1e453111496

    • SSDEEP

      49152:VTL4Fkw4+fxjg0mjRakStRASAUnKzwHboIrCZsMPT:d4Fkw4Yxjds18mQntfr2P

    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