Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 16:06

General

  • Target

    Loader.exe

  • Size

    454KB

  • MD5

    5cf227fa034cb7aa9ba60a5482892bc7

  • SHA1

    ad20e86a5800b50e9d8153a4e97c417aa135fec9

  • SHA256

    4379f092a839e8169f3ba75cd4acab87067bd570a5299a1a04c5086e7aa9d509

  • SHA512

    882b4e08adccef91e2c78b2ae123d8e625b93ce5775be625fd7bf09ffb08d3fcb7b7ece3bf614eae0e23281b00781792447a684c86631360fb1102aaf84a3b62

  • SSDEEP

    12288:EDBE7f710fngOy4TPDM+szGaSNDYQdwA8wiLTT8lr7v:EC7WPTrE+iQlL6LTTIr7v

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://fumblingactor.cyou

Extracted

Family

lumma

C2

https://blade-govern.sbs/api

https://story-tense-faz.sbs/api

https://disobey-curly.sbs/api

https://motion-treesz.sbs/api

https://powerful-avoids.sbs/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 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\Loader.exe
      "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
      2⤵
        PID:2628
      • C:\Users\Admin\AppData\Local\Temp\Loader.exe
        "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
        2⤵
          PID:2464
        • C:\Users\Admin\AppData\Local\Temp\Loader.exe
          "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Modifies system certificate store
          PID:2768

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Cab72A3.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\Tar72B5.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • memory/2768-9-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2768-2-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2768-11-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2768-12-0x00000000002B0000-0x0000000000325000-memory.dmp

        Filesize

        468KB

      • memory/2768-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2768-6-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2768-4-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2768-3-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2768-5-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2768-1-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2856-0-0x00000000002D3000-0x00000000002D4000-memory.dmp

        Filesize

        4KB