General

  • Target

    99ba4ae380ef7286998a99225a487dfeecf2f5aa2308b944804dbef6cdd88b67

  • Size

    4.0MB

  • Sample

    250219-ewf26sxjcs

  • MD5

    c6800b519761dbbd0e7d4cfbce36a2ae

  • SHA1

    a2797c2fd03b860b59169522ab67b581102fc61e

  • SHA256

    99ba4ae380ef7286998a99225a487dfeecf2f5aa2308b944804dbef6cdd88b67

  • SHA512

    65d1f684ab6e7d619e966d06c2a2df9e9ae4ca95a4500ce3003ea16aaaec96c6a6c6be3269ed3cc9d08fefcebbad85ba1a37056908eb54ec8954544cbf819a1e

  • SSDEEP

    98304:UqfKzWmzOyzrN06VYC1HqZiQLKinf1entdpP7XbF/U:UqNmzOyvNn0FLKifMtzXh

Malware Config

Extracted

Family

gcleaner

C2

185.156.73.73

Targets

    • Target

      99ba4ae380ef7286998a99225a487dfeecf2f5aa2308b944804dbef6cdd88b67

    • Size

      4.0MB

    • MD5

      c6800b519761dbbd0e7d4cfbce36a2ae

    • SHA1

      a2797c2fd03b860b59169522ab67b581102fc61e

    • SHA256

      99ba4ae380ef7286998a99225a487dfeecf2f5aa2308b944804dbef6cdd88b67

    • SHA512

      65d1f684ab6e7d619e966d06c2a2df9e9ae4ca95a4500ce3003ea16aaaec96c6a6c6be3269ed3cc9d08fefcebbad85ba1a37056908eb54ec8954544cbf819a1e

    • SSDEEP

      98304:UqfKzWmzOyzrN06VYC1HqZiQLKinf1entdpP7XbF/U:UqNmzOyvNn0FLKifMtzXh

    • GCleaner

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

    • Gcleaner family

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

    • 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.

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks