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
    27/01/2025, 04:53

General

  • Target

    f361f433a4712ad54e806133334f62de0baa776da7a6a3548db077c4e6808e6e.exe

  • Size

    493KB

  • MD5

    7665e12873e7954d1934f9fb5b44b404

  • SHA1

    dde259cf50ce63395a0c4e786c853bff6a381841

  • SHA256

    f361f433a4712ad54e806133334f62de0baa776da7a6a3548db077c4e6808e6e

  • SHA512

    f3ee707328568992857d838257f0f1f63edef6aa7762d59085ad47cf691ecfbca0c1413da25a06f86d72f8671e2879c7a090ade02029dd1cc0e14f21007e9bf1

  • SSDEEP

    12288:aL02PC/hl6XALf/2THXzYnHu9DI5DPibvBghJ:aI2P8h84qYHi6oBghJ

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 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f361f433a4712ad54e806133334f62de0baa776da7a6a3548db077c4e6808e6e.exe
    "C:\Users\Admin\AppData\Local\Temp\f361f433a4712ad54e806133334f62de0baa776da7a6a3548db077c4e6808e6e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\f361f433a4712ad54e806133334f62de0baa776da7a6a3548db077c4e6808e6e.exe
      "C:\Users\Admin\AppData\Local\Temp\f361f433a4712ad54e806133334f62de0baa776da7a6a3548db077c4e6808e6e.exe"
      2⤵
        PID:1636
      • C:\Users\Admin\AppData\Local\Temp\f361f433a4712ad54e806133334f62de0baa776da7a6a3548db077c4e6808e6e.exe
        "C:\Users\Admin\AppData\Local\Temp\f361f433a4712ad54e806133334f62de0baa776da7a6a3548db077c4e6808e6e.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        PID:2460
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 524
        2⤵
        • Program crash
        PID:1792

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\CabF79A.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarF7BC.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • memory/1644-0-0x000000007491E000-0x000000007491F000-memory.dmp

      Filesize

      4KB

    • memory/1644-1-0x0000000000300000-0x000000000037E000-memory.dmp

      Filesize

      504KB

    • memory/1644-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

      Filesize

      6.9MB

    • memory/1644-50-0x0000000074910000-0x0000000074FFE000-memory.dmp

      Filesize

      6.9MB

    • memory/1644-14-0x0000000074910000-0x0000000074FFE000-memory.dmp

      Filesize

      6.9MB

    • memory/2460-8-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2460-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2460-7-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2460-6-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2460-5-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2460-4-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2460-11-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2460-15-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2460-13-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB