Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2024, 20:59

General

  • Target

    Nexol.exe

  • Size

    903KB

  • MD5

    fb62d4c3e017cc56a89bb2b8c04017d2

  • SHA1

    afa4971a75da20a17ab67211ffb091d19d098773

  • SHA256

    12b0f706dd873ba934194045fd869f8f5b0a24af06e78e203e12536e303d1de2

  • SHA512

    285c0073a03d75e12a30577dfbd51080cd9e43419b6afe9b96c0c5049bf1cf79d6677463515b3b6ffdaa1e8409c448a28b6f0cd1b73aa09400fc94717aa89e4d

  • SSDEEP

    24576:OGEZcUhkBQa1dzvMoyZlj7ur1dzvMoyZlj7u+:OG0cUhkqC5vMb37uB5vMb37u+

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 6 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nexol.exe
    "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\Nexol.exe
      "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA18F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA1B1.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1988-1-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1988-3-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1988-5-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1988-7-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1988-12-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1988-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1988-9-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/1988-15-0x0000000001240000-0x0000000001328000-memory.dmp

    Filesize

    928KB

  • memory/1988-14-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2248-0-0x0000000001285000-0x0000000001286000-memory.dmp

    Filesize

    4KB