Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 13:22

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    d829b60152d0804b14b3382fb876407c

  • SHA1

    b5cca5dad922ff24667e2aa4aa22c70ad5e5bf8c

  • SHA256

    c6cfa1529c033adf2f0421eedb2a0a7b86d1cb6dad292867f6370ee70dbfe3df

  • SHA512

    2c2a9ab3027c9035b22ab5a98f53ae5318a25b2f6ed1e77699c334d8775f81a92e3af1266528acf64d872c8654a0b4361030c74ebc8fc1811a76a6f04821c4e4

  • SSDEEP

    49152:Njrh7fH42+2e2HAvWD9lgC8x2zUrksXFrR:NZjXUgFDPgCdzeH

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://occupy-blushi.sbs/api

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

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.

  • 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
    • Suspicious behavior: EnumeratesProcesses
    PID:1732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabC332.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarC354.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1732-0-0x0000000000E20000-0x00000000012C9000-memory.dmp

    Filesize

    4.7MB

  • memory/1732-1-0x0000000077780000-0x0000000077782000-memory.dmp

    Filesize

    8KB

  • memory/1732-2-0x0000000000E21000-0x0000000000E47000-memory.dmp

    Filesize

    152KB

  • memory/1732-3-0x0000000000E20000-0x00000000012C9000-memory.dmp

    Filesize

    4.7MB

  • memory/1732-4-0x0000000000E20000-0x00000000012C9000-memory.dmp

    Filesize

    4.7MB

  • memory/1732-39-0x0000000000E20000-0x00000000012C9000-memory.dmp

    Filesize

    4.7MB