Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03-01-2025 03:38

General

  • Target

    739345a9fa6a95c79e3aaf761a810e917492c2072330ec5bb058447b9d56ea62.exe

  • Size

    3.0MB

  • MD5

    c77592f28d3267b7c5e0529b6741548a

  • SHA1

    e0a741dbbdd703b9254e5613b36dc727262c1efc

  • SHA256

    739345a9fa6a95c79e3aaf761a810e917492c2072330ec5bb058447b9d56ea62

  • SHA512

    5286b4313116ac2fd7096e5c60bf4a221e4efba3ce15cabd7ba79432ab62e77518244ec7d89b24bc4cffd9cb5c21f67c10dd3434ecf6f5cb94c5aab1e4134314

  • SSDEEP

    49152:kkIlQwjVgzA0wb9Ah375vpndrsYtS8EACCRG0g+/yWXPifETW:slngzby9AhFvpndgYt/Eirgiph

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

https://fancywaxxers.shop/api

Extracted

Family

lumma

C2

https://fancywaxxers.shop/api

https://abruptyopsn.shop/api

https://wholersorie.shop/api

https://framekgirus.shop/api

https://tirepublicerj.shop/api

https://noisycuttej.shop/api

https://rabidcowse.shop/api

https://cloudewahsj.shop/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 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\739345a9fa6a95c79e3aaf761a810e917492c2072330ec5bb058447b9d56ea62.exe
    "C:\Users\Admin\AppData\Local\Temp\739345a9fa6a95c79e3aaf761a810e917492c2072330ec5bb058447b9d56ea62.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:640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabE514.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarE526.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/640-0-0x00000000010C0000-0x00000000013C5000-memory.dmp

    Filesize

    3.0MB

  • memory/640-1-0x0000000076F80000-0x0000000076F82000-memory.dmp

    Filesize

    8KB

  • memory/640-3-0x00000000010C0000-0x00000000013C5000-memory.dmp

    Filesize

    3.0MB

  • memory/640-2-0x00000000010C1000-0x0000000001113000-memory.dmp

    Filesize

    328KB

  • memory/640-4-0x00000000010C0000-0x00000000013C5000-memory.dmp

    Filesize

    3.0MB

  • memory/640-75-0x00000000010C0000-0x00000000013C5000-memory.dmp

    Filesize

    3.0MB

  • memory/640-76-0x00000000010C1000-0x0000000001113000-memory.dmp

    Filesize

    328KB