Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2025, 14:40

General

  • Target

    Loader.exe

  • Size

    395KB

  • MD5

    d77614f7ea4b89a831874b3dfdd909a9

  • SHA1

    69274a7177d81ff53e1f5ad6577035bc082f4bce

  • SHA256

    9f9004cec568da6b1b35447ae42e9482df421162a32fcdca5b91fa78128e6efe

  • SHA512

    89b81e244bf7363bdce32663c4e5dd4ff99cd1d1ca12d3311e40f0ddc96494d79f95892e44cc2a3bcbfdd81e24749960c7240b1179d94c8f298ceaaa498f03e1

  • SSDEEP

    6144:7WAoFwzNQONWylo7HJ7grXn9t97k8zq3K0saL0oo/kAczM2ZcIjg1iLA/nmol2nF:7FbzyONWyq7HFe9/jAoaLSsysL2nmq0j

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://toppyneedus.biz/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
  • Program crash 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 26 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:1896
    • C:\Users\Admin\AppData\Local\Temp\Loader.exe
      "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
      2⤵
        PID:2404
      • C:\Users\Admin\AppData\Local\Temp\Loader.exe
        "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
        2⤵
          PID:2084
        • C:\Users\Admin\AppData\Local\Temp\Loader.exe
          "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
          2⤵
            PID:2364
          • 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:2148
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 548
            2⤵
            • Program crash
            PID:2900

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\CabD339.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\TarD35B.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • memory/1896-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

          Filesize

          4KB

        • memory/1896-1-0x00000000001B0000-0x000000000021A000-memory.dmp

          Filesize

          424KB

        • memory/1896-85-0x0000000073F40000-0x000000007462E000-memory.dmp

          Filesize

          6.9MB

        • memory/1896-13-0x0000000073F40000-0x000000007462E000-memory.dmp

          Filesize

          6.9MB

        • memory/2148-7-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2148-6-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2148-5-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2148-4-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2148-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

          Filesize

          4KB

        • memory/2148-14-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2148-10-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2148-12-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2148-3-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB