General

  • Target

    winrar-611br.msi

  • Size

    4.5MB

  • Sample

    230227-x933zafd56

  • MD5

    68ba045e1427d63d03660ef2d88584d0

  • SHA1

    a3e9bd9adddf1aaaaff03cd69a7128e6fc774977

  • SHA256

    e06b212b0c26d4f385a3623c64820b3ea4bbd83065646a38d1f3e0cfdfbb0898

  • SHA512

    d677806a4c4ed419995b0ead65db4081c3e4b002e400fafb8d042d6695e7e17cc476a0ccc8df9c1caed164254ba2536c73891f89f6f9f57aea7a5421a6d964e8

  • SSDEEP

    98304:MYGKdAHTgvV1OsKnG5vgzfTVkdRTpRjbrvC7gEjT7A3:i81OsKG6zfTVkddpdTCRj

Malware Config

Targets

    • Target

      winrar-611br.msi

    • Size

      4.5MB

    • MD5

      68ba045e1427d63d03660ef2d88584d0

    • SHA1

      a3e9bd9adddf1aaaaff03cd69a7128e6fc774977

    • SHA256

      e06b212b0c26d4f385a3623c64820b3ea4bbd83065646a38d1f3e0cfdfbb0898

    • SHA512

      d677806a4c4ed419995b0ead65db4081c3e4b002e400fafb8d042d6695e7e17cc476a0ccc8df9c1caed164254ba2536c73891f89f6f9f57aea7a5421a6d964e8

    • SSDEEP

      98304:MYGKdAHTgvV1OsKnG5vgzfTVkdRTpRjbrvC7gEjT7A3:i81OsKG6zfTVkddpdTCRj

    • Lampion

      Lampion is a banking trojan, targeting Portuguese speaking countries.

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

    • Blocklisted process makes network request

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks