Analysis

  • max time kernel
    122s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 00:03

General

  • Target

    c369a79b2c1bc86fe94896b9679370b7756d50a840ed12140d66d5bb03b1e792.dll

  • Size

    2.8MB

  • MD5

    4fc9a0caf262482bf9ef269e77a3eeb0

  • SHA1

    74a0e23326ffec0233da6f6a3838682aade30dfb

  • SHA256

    c369a79b2c1bc86fe94896b9679370b7756d50a840ed12140d66d5bb03b1e792

  • SHA512

    5497081050f12af450fbee97eaefc98dbf9b4bd37e5ede8cfe1d8c27a3d652bd474237198a330538163f82844f75eb66c43f4220aabebcab3924a27b32844fad

  • SSDEEP

    49152:cEXbF1lsHy/7iWpFhuNT5boQb6cZ0ESOGzim6Te7uBRHu17wahjP8yiIxNBqoovl:DF1lscx0yiANQofg

Score
10/10

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

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Blocklisted process makes network request 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c369a79b2c1bc86fe94896b9679370b7756d50a840ed12140d66d5bb03b1e792.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c369a79b2c1bc86fe94896b9679370b7756d50a840ed12140d66d5bb03b1e792.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\SysWOW64\rundll32.exe"
        3⤵
        • Blocklisted process makes network request
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabCF33.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarCF46.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2328-3-0x0000000010000000-0x00000000102CD000-memory.dmp

    Filesize

    2.8MB

  • memory/2328-1-0x0000000010054000-0x0000000010074000-memory.dmp

    Filesize

    128KB

  • memory/2328-13-0x0000000010000000-0x00000000102CD000-memory.dmp

    Filesize

    2.8MB

  • memory/2328-12-0x0000000010054000-0x0000000010074000-memory.dmp

    Filesize

    128KB

  • memory/2328-14-0x000000001029B000-0x00000000102CD000-memory.dmp

    Filesize

    200KB

  • memory/2328-0-0x0000000010000000-0x00000000102CD000-memory.dmp

    Filesize

    2.8MB

  • memory/2328-6-0x0000000010000000-0x00000000102CD000-memory.dmp

    Filesize

    2.8MB

  • memory/2328-2-0x0000000010000000-0x00000000102CD000-memory.dmp

    Filesize

    2.8MB

  • memory/2328-5-0x0000000010000000-0x00000000102CD000-memory.dmp

    Filesize

    2.8MB

  • memory/2820-7-0x00000000000D0000-0x0000000000127000-memory.dmp

    Filesize

    348KB

  • memory/2820-11-0x00000000000D0000-0x0000000000127000-memory.dmp

    Filesize

    348KB

  • memory/2820-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2820-16-0x00000000000D0000-0x0000000000127000-memory.dmp

    Filesize

    348KB

  • memory/2820-17-0x00000000000D0000-0x0000000000127000-memory.dmp

    Filesize

    348KB