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
    04-01-2025 14:29

General

  • Target

    4e6f0dbaf3663cb76b13ac88bb6686b50fbbeeba7f613428f9602c1c98a37f33N.exe

  • Size

    2.8MB

  • MD5

    6942b18c8c03fd3bc9b134f98fb88fc0

  • SHA1

    9df70ed47f540a7e5716d47f56b028f37aabe0a4

  • SHA256

    4e6f0dbaf3663cb76b13ac88bb6686b50fbbeeba7f613428f9602c1c98a37f33

  • SHA512

    ff5a53235c57d1ec70bad942e6bfc219abff445ed574ffaaf39af184b2cfa0a07b2ede6444e350fbd2c5df9a881a948a0e3090cf0e49ab0f4e2445b0364bcf2a

  • SSDEEP

    49152:8To8AHP4fUmmqkfLozOttV97TrCWZan5UL/M1XIoDth:XHP4fUmmqeaOttznrCWMkM14S

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\4e6f0dbaf3663cb76b13ac88bb6686b50fbbeeba7f613428f9602c1c98a37f33N.exe
    "C:\Users\Admin\AppData\Local\Temp\4e6f0dbaf3663cb76b13ac88bb6686b50fbbeeba7f613428f9602c1c98a37f33N.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:1628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabCAB1.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarCAD3.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1628-0-0x00000000000D0000-0x00000000003D4000-memory.dmp

    Filesize

    3.0MB

  • memory/1628-1-0x0000000077150000-0x0000000077152000-memory.dmp

    Filesize

    8KB

  • memory/1628-2-0x00000000000D1000-0x00000000000F7000-memory.dmp

    Filesize

    152KB

  • memory/1628-3-0x00000000000D0000-0x00000000003D4000-memory.dmp

    Filesize

    3.0MB

  • memory/1628-4-0x00000000000D0000-0x00000000003D4000-memory.dmp

    Filesize

    3.0MB

  • memory/1628-75-0x00000000000D0000-0x00000000003D4000-memory.dmp

    Filesize

    3.0MB