Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/01/2025, 08:22

General

  • Target

    Testprog.exe

  • Size

    533KB

  • MD5

    aac53d8ae11403008d421c19e26c6f9d

  • SHA1

    59fcb6dcd8a7b22cfe7ead3ce6a4b1c0a814e898

  • SHA256

    d9fb6347296a7dbfda6be3ced9d12b72940d46347090bb10a462a825427029fe

  • SHA512

    6cd812634eafbecd62dfd26556c062b03746da4b06fbf2fa1c90a4c104e6761373fd7a2b66a0fe87cba66ef57169d52a7142bfc9ec50a457b776f82b795ad09b

  • SSDEEP

    12288:6ZkEb6EcwNbyWHU25vmVmriUKmbV6QWMm2m7e3YChwNuQp6ML2:obyiU2NmVmrRLxaJ2mioIwQQpNL2

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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Testprog.exe
    "C:\Users\Admin\AppData\Local\Temp\Testprog.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Users\Admin\AppData\Local\Temp\Testprog.exe
      "C:\Users\Admin\AppData\Local\Temp\Testprog.exe"
      2⤵
        PID:332
      • C:\Users\Admin\AppData\Local\Temp\Testprog.exe
        "C:\Users\Admin\AppData\Local\Temp\Testprog.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        PID:2256
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 524
        2⤵
        • Program crash
        PID:2340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CabDB25.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarDB47.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • memory/2256-6-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2256-7-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2256-4-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2256-5-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2256-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2256-12-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2256-10-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2256-14-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2256-3-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2480-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

      Filesize

      4KB

    • memory/2480-13-0x0000000074A10000-0x00000000750FE000-memory.dmp

      Filesize

      6.9MB

    • memory/2480-1-0x00000000012B0000-0x000000000133E000-memory.dmp

      Filesize

      568KB

    • memory/2480-85-0x0000000074A10000-0x00000000750FE000-memory.dmp

      Filesize

      6.9MB