Analysis

  • max time kernel
    17s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2024, 13:29

General

  • Target

    be5da0edd9c111aa4531e7c5540fba585f457a77aceee0f8c969e3f6fd9bd8e8.exe

  • Size

    1.7MB

  • MD5

    a5c244272b7b461659a38eeff55d5983

  • SHA1

    5efa032dcaeaf448ce0bff039226e243fb3755a9

  • SHA256

    be5da0edd9c111aa4531e7c5540fba585f457a77aceee0f8c969e3f6fd9bd8e8

  • SHA512

    ffff0350e9dfbdcc91a6bd6385bb6ca48e33e80d9e69a39367dd411fbe67f1eb48eeb5bd3b492f258a155c2a7b6cd35019a54827fbceca85f39f3785c14fc46d

  • SSDEEP

    49152:heRYGkpoZljE7wJf2A94F9xxBvI3fWcrIGyO:heR3ZZBE77O41xBGfrrIi

Malware Config

Extracted

Family

lumma

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\be5da0edd9c111aa4531e7c5540fba585f457a77aceee0f8c969e3f6fd9bd8e8.exe
    "C:\Users\Admin\AppData\Local\Temp\be5da0edd9c111aa4531e7c5540fba585f457a77aceee0f8c969e3f6fd9bd8e8.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:1744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab2D0B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar2D1E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1744-0-0x0000000000FD0000-0x0000000001454000-memory.dmp

    Filesize

    4.5MB

  • memory/1744-1-0x0000000077C80000-0x0000000077C82000-memory.dmp

    Filesize

    8KB

  • memory/1744-2-0x0000000000FD1000-0x0000000000FF6000-memory.dmp

    Filesize

    148KB

  • memory/1744-3-0x0000000000FD0000-0x0000000001454000-memory.dmp

    Filesize

    4.5MB

  • memory/1744-4-0x0000000000FD0000-0x0000000001454000-memory.dmp

    Filesize

    4.5MB

  • memory/1744-5-0x0000000000FD0000-0x0000000001454000-memory.dmp

    Filesize

    4.5MB

  • memory/1744-6-0x0000000000FD0000-0x0000000001454000-memory.dmp

    Filesize

    4.5MB

  • memory/1744-41-0x0000000000FD0000-0x0000000001454000-memory.dmp

    Filesize

    4.5MB