Resubmissions

06-01-2025 09:35

250106-lkn2zavrhj 10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-01-2025 09:35

General

  • Target

    setup.exe

  • Size

    351KB

  • MD5

    5726cc95a1a3a172f1acda81f84656e8

  • SHA1

    82a396f4bf6563d1c019534732b9c2e855bbd577

  • SHA256

    2338c24f78ab9872cbe6aec8c572b99328ff81b5597e552f2619e92dde7d2942

  • SHA512

    65907f1e4f1e2a860e282aa8889b99ad5289fd5d88ddddc85edbe970184158750204e6b718779bdf02971ae6c41b98bee9db13021b90078ff7f9bff2bcbe5e24

  • SSDEEP

    6144:g9NDWuzVf/CEjw0aA87kGJ8xF2E4rY1rww3G5CZ35w2lQOi8GfVq0epptLz:4USVA0mP8OE4r2/GQg2l8VV0p5

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://wholersorie.shop/api

https://framekgirus.shop/api

https://tirepublicerj.shop/api

https://noisycuttej.shop/api

https://rabidcowse.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.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 992
      2⤵
      • Program crash
      PID:5080
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4988 -ip 4988
    1⤵
      PID:4024

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1432-4-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/1432-8-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/1432-6-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/1432-9-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/4988-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

      Filesize

      4KB

    • memory/4988-1-0x0000000000C40000-0x0000000000CA0000-memory.dmp

      Filesize

      384KB

    • memory/4988-2-0x0000000005A80000-0x0000000006024000-memory.dmp

      Filesize

      5.6MB

    • memory/4988-7-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB