Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2025 18:27

General

  • Target

    loader.exe

  • Size

    8.3MB

  • MD5

    756cc98f850799fc6783bd07e91cab52

  • SHA1

    5e00f9dfdf3ebeeb9a7fa9177081704f200796cd

  • SHA256

    64a3d0f8623f9f27d8275349698641464a6d16295ece889c47611c9b84d90927

  • SHA512

    812ca872181a465da7520a1d35650e627be0dcf9c0e69b565d922e769a03435fd96c5de2c1c5bd7886b612150553e3f4ce2dc66eba7bcfab48347d483b22eee1

  • SSDEEP

    6144:79vDaZsyLEytXezKn30u5V8htQ0XFLcr7Hf/ouoM9QhP6INgaQZMyKl1mRYeK+s:xraZLQytXezKku5WXWr7frf/KlQeVl

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://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
  • 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\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:1284
    • C:\Users\Admin\AppData\Local\Temp\loader.exe
      "C:\Users\Admin\AppData\Local\Temp\loader.exe"
      2⤵
        PID:1676
      • 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:2288
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 532
        2⤵
        • Program crash
        PID:2968

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Cab7CD0.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\Tar7CE2.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • memory/1284-0-0x00000000742EE000-0x00000000742EF000-memory.dmp

      Filesize

      4KB

    • memory/1284-1-0x0000000000D60000-0x0000000000DC0000-memory.dmp

      Filesize

      384KB

    • memory/1284-85-0x00000000742E0000-0x00000000749CE000-memory.dmp

      Filesize

      6.9MB

    • memory/1284-13-0x00000000742E0000-0x00000000749CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2288-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2288-7-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2288-5-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2288-4-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2288-10-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2288-14-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2288-12-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2288-6-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2288-3-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB