General

  • Target

    IDRKR_file.exe

  • Size

    1.8MB

  • Sample

    241126-whdtbsylcl

  • MD5

    7bedbd23eb507525c917df5b16aa8438

  • SHA1

    376344648b449ca04b31e8b49d9aa64c9b78ce5f

  • SHA256

    4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b

  • SHA512

    7220ca8fa5882a2146075f51b054436608ec3fb2ee8ca4367572c215aaebd804f272b0dbc71701d16251212c26fc2c64ac8f6ad76a0194485004043fb6a762d5

  • SSDEEP

    49152:87jPJollKd0itOVZ3TLFU3cO52JAqKLWP0Uqn4fo1WuDJYdQEm:87jPARvO3HOAqSr3nV1lDJt

Malware Config

Extracted

Family

lumma

C2

https://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://property-imper.sbs

Extracted

Family

lumma

C2

https://blade-govern.sbs/api

https://story-tense-faz.sbs/api

https://disobey-curly.sbs/api

https://motion-treesz.sbs/api

https://powerful-avoids.sbs/api

Targets

    • Target

      IDRKR_file.exe

    • Size

      1.8MB

    • MD5

      7bedbd23eb507525c917df5b16aa8438

    • SHA1

      376344648b449ca04b31e8b49d9aa64c9b78ce5f

    • SHA256

      4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b

    • SHA512

      7220ca8fa5882a2146075f51b054436608ec3fb2ee8ca4367572c215aaebd804f272b0dbc71701d16251212c26fc2c64ac8f6ad76a0194485004043fb6a762d5

    • SSDEEP

      49152:87jPJollKd0itOVZ3TLFU3cO52JAqKLWP0Uqn4fo1WuDJYdQEm:87jPARvO3HOAqSr3nV1lDJt

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks