Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 21:38

General

  • Target

    Nexus-Roblox/Nexus-Roblox.exe

  • Size

    801KB

  • MD5

    217c1089e6eb10d17ce3e2fc3b099a86

  • SHA1

    2bd83604d67c3f4d66d4f3e6804b25a62df97da5

  • SHA256

    45b6bcdbd8d962b221579ba1a17bb7239646c6a753c3d69ce6efa160dd60a824

  • SHA512

    92f836dfd7b8962632da108d76a04aa4596eaa64ffb3ff8a12da42b018cf3319fc47e5244152356a0106bde1284484cf4cc3cbc20714f71728100dc1b15ffcca

  • SSDEEP

    12288:93K1Pp+lMeB8zFsgMH+GsGde1vy0xt4K7waB7DFsgMH+GsGde1vy0xt4K7waB7N:pK1PSMZ3MH4KoqqV7nMH4KoqqV7N

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

Extracted

Family

lumma

C2

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
  • Suspicious use of SetThreadContext 1 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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nexus-Roblox\Nexus-Roblox.exe
    "C:\Users\Admin\AppData\Local\Temp\Nexus-Roblox\Nexus-Roblox.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\Nexus-Roblox\Nexus-Roblox.exe
      "C:\Users\Admin\AppData\Local\Temp\Nexus-Roblox\Nexus-Roblox.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA3C0.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA3E2.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1864-1-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1864-16-0x0000000000300000-0x00000000003CD000-memory.dmp

    Filesize

    820KB

  • memory/1864-15-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1864-13-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1864-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1864-9-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1864-7-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1864-5-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1864-3-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/1996-0-0x0000000000330000-0x0000000000331000-memory.dmp

    Filesize

    4KB