Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2024, 00:34

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    bd1308de2b317dcd51b75154ddeb5a6b

  • SHA1

    a39fac69239d05bec64b45dfdae6eae8ed64c3b4

  • SHA256

    37d68fff5906f3fb903ef0937bfc9a74876fa220f0c010bd2505f6f61ac97c43

  • SHA512

    45bf4090f2835cf26631d80390b9eca17da70615ea37603bb3d1bbaac3525dbf0edc061ed685d29fe65c03b7859d5c1f8375a8fcffcf7155e9265d4a38350e65

  • SSDEEP

    24576:gw8iagXTirClQWtfRThh80ZA0znHZZH/NyWx1HG4r6xR2XGJYEK57hSxLdBD:l8SQCBxRThzh/IcBMcOISxL

Malware Config

Extracted

Family

lumma

C2

https://preside-comforter.sbs

https://savvy-steereo.sbs

https://copper-replace.sbs

https://record-envyp.sbs

https://slam-whipp.sbs

https://wrench-creter.sbs

https://looky-marked.sbs

https://plastic-mitten.sbs

https://hallowed-noisy.sbs

Extracted

Family

lumma

C2

https://hallowed-noisy.sbs/api

https://plastic-mitten.sbs/api

https://looky-marked.sbs/api

https://wrench-creter.sbs/api

https://slam-whipp.sbs/api

https://record-envyp.sbs/api

https://copper-replace.sbs/api

https://savvy-steereo.sbs/api

https://preside-comforter.sbs/api

Signatures

  • 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) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabDCCA.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarDCFC.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2584-0-0x0000000000970000-0x0000000000E07000-memory.dmp

    Filesize

    4.6MB

  • memory/2584-1-0x00000000773F0000-0x00000000773F2000-memory.dmp

    Filesize

    8KB

  • memory/2584-2-0x0000000000971000-0x0000000000997000-memory.dmp

    Filesize

    152KB

  • memory/2584-3-0x0000000000970000-0x0000000000E07000-memory.dmp

    Filesize

    4.6MB

  • memory/2584-4-0x0000000000970000-0x0000000000E07000-memory.dmp

    Filesize

    4.6MB

  • memory/2584-5-0x0000000000970000-0x0000000000E07000-memory.dmp

    Filesize

    4.6MB

  • memory/2584-40-0x0000000000970000-0x0000000000E07000-memory.dmp

    Filesize

    4.6MB