Analysis

  • max time kernel
    75s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2025 00:08

General

  • Target

    ca31ff7e015e94e5cc4e6c144b865c9015e047355ae78741be6813a78866ed04N.exe

  • Size

    1.8MB

  • MD5

    1a4e1fae1a3aeef07eac3fd419dad050

  • SHA1

    92007dce6f0f8984074b2644d9c96e0664423611

  • SHA256

    ca31ff7e015e94e5cc4e6c144b865c9015e047355ae78741be6813a78866ed04

  • SHA512

    aa50349edacc9e9259ed314e6adc7c285b575c9a62ab7d1432fd6adc2ba258629b8da705ccfaa81da726f33e1eeb9c98b9f11935ff5ae6d4ddb1d1c9ca15993e

  • SSDEEP

    24576:nXnt4fRvo/+Htel63cZmh9qaIaToYhzPA5oB/qzVSSsZWBkLUmqPTIUiJ:KvFNe0McvqIoIIzzbGwBID

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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca31ff7e015e94e5cc4e6c144b865c9015e047355ae78741be6813a78866ed04N.exe
    "C:\Users\Admin\AppData\Local\Temp\ca31ff7e015e94e5cc4e6c144b865c9015e047355ae78741be6813a78866ed04N.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:1728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab4AE7.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar4AFA.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1728-0-0x00000000011A0000-0x000000000163B000-memory.dmp

    Filesize

    4.6MB

  • memory/1728-1-0x0000000077470000-0x0000000077472000-memory.dmp

    Filesize

    8KB

  • memory/1728-2-0x00000000011A1000-0x00000000011C7000-memory.dmp

    Filesize

    152KB

  • memory/1728-3-0x00000000011A0000-0x000000000163B000-memory.dmp

    Filesize

    4.6MB

  • memory/1728-4-0x00000000011A0000-0x000000000163B000-memory.dmp

    Filesize

    4.6MB

  • memory/1728-75-0x00000000011A0000-0x000000000163B000-memory.dmp

    Filesize

    4.6MB

  • memory/1728-76-0x00000000011A0000-0x000000000163B000-memory.dmp

    Filesize

    4.6MB