General

  • Target

    SBESecurityMailSetup.exe

  • Size

    10.6MB

  • Sample

    220112-n3f57acdg4

  • MD5

    94c9aa75fdd8914a74818056d36f546d

  • SHA1

    d6bc76961125bb6f577aa0e4a5e99bad02a1f511

  • SHA256

    394b5e7528c6251123c354f14c9d357d4b0ddb5927d9cb71d00e8f1b84e04827

  • SHA512

    6253c5893af99141330123b332a27fb951202e3fc894b718ec4d64b6a666ceb61b0a3ff96421756605bd21c19f7c87530d1c50a40f6acb56cb6120a1005a974a

Malware Config

Targets

    • Target

      SBESecurityMailSetup.exe

    • Size

      10.6MB

    • MD5

      94c9aa75fdd8914a74818056d36f546d

    • SHA1

      d6bc76961125bb6f577aa0e4a5e99bad02a1f511

    • SHA256

      394b5e7528c6251123c354f14c9d357d4b0ddb5927d9cb71d00e8f1b84e04827

    • SHA512

      6253c5893af99141330123b332a27fb951202e3fc894b718ec4d64b6a666ceb61b0a3ff96421756605bd21c19f7c87530d1c50a40f6acb56cb6120a1005a974a

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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

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