General

  • Target

    Elexe.exe

  • Size

    3.6MB

  • Sample

    220824-stlfrsgcg6

  • MD5

    c667f56e9478041be404800045530768

  • SHA1

    0f2b5b78640d29c151144655df527a16d0e29782

  • SHA256

    1d11b355d92df2cf0a2cd4a99eb6f504054c06f3a9dcd1aa323db80995cd34ac

  • SHA512

    383e14dbeac1fcb82beb37815d70f2bb04bd82faa328f1f5c5df839abfffae1bdf3cd264f219747fd58a2dcb491ba38df39cded4d5b39cf6686d7d8b9c17d233

  • SSDEEP

    98304:aBLr+jWK685nOwHaIo3q1+pa51rOVRf9TXUZ9C4smmz:gX2bNkw6Ioaspa51S9QbC44

Malware Config

Targets

    • Target

      Elexe.exe

    • Size

      3.6MB

    • MD5

      c667f56e9478041be404800045530768

    • SHA1

      0f2b5b78640d29c151144655df527a16d0e29782

    • SHA256

      1d11b355d92df2cf0a2cd4a99eb6f504054c06f3a9dcd1aa323db80995cd34ac

    • SHA512

      383e14dbeac1fcb82beb37815d70f2bb04bd82faa328f1f5c5df839abfffae1bdf3cd264f219747fd58a2dcb491ba38df39cded4d5b39cf6686d7d8b9c17d233

    • SSDEEP

      98304:aBLr+jWK685nOwHaIo3q1+pa51rOVRf9TXUZ9C4smmz:gX2bNkw6Ioaspa51S9QbC44

    • 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.

    • Checks computer location settings

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Tasks