Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08-01-2025 17:37

General

  • Target

    loader.exe

  • Size

    385KB

  • MD5

    6844fba0aadfa5f0ac0176477eb15b83

  • SHA1

    8fefd44737ffbb588cbd032a39d83fff50e2acc7

  • SHA256

    b6892085034b9bc44842b77b168519cec0daa8c2b06525337cfcebeba8bfd028

  • SHA512

    f7554a9787fc9a7621e2962792ae0e39f266fed11efbe758a018f57df34dfb799cd9cea18d67dc557564d0be673216ab8c056be92972320e9bf6f31a7f42237c

  • SSDEEP

    6144:A0bS4ZyK0FboqEMlmJV5y9pZm1yCQIEnNek2qZq8wC6NL3O8sYWR6T+aZLzjr6:A0b9ATGo93Gy9nN5Zq8wNNLsX6bL2

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://robinsharez.shop/api

https://handscreamny.shop/api

https://chipdonkeruz.shop/api

https://versersleep.shop/api

https://crowdwarek.shop/api

https://apporholis.shop/api

https://femalsabler.shop/api

https://soundtappysk.shop/api

https://letterdrive.shop/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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 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:2956
    • C:\Users\Admin\AppData\Local\Temp\loader.exe
      "C:\Users\Admin\AppData\Local\Temp\loader.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3536
    • C:\Users\Admin\AppData\Local\Temp\loader.exe
      "C:\Users\Admin\AppData\Local\Temp\loader.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 168
      2⤵
      • Program crash
      PID:3860
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2956 -ip 2956
    1⤵
      PID:3628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/932-13-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/932-16-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2956-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

      Filesize

      4KB

    • memory/2956-1-0x0000000000930000-0x0000000000998000-memory.dmp

      Filesize

      416KB

    • memory/2956-2-0x0000000005980000-0x0000000005F26000-memory.dmp

      Filesize

      5.6MB

    • memory/2956-3-0x0000000074C50000-0x0000000075401000-memory.dmp

      Filesize

      7.7MB

    • memory/2956-11-0x0000000074C50000-0x0000000075401000-memory.dmp

      Filesize

      7.7MB

    • memory/2956-14-0x0000000074C50000-0x0000000075401000-memory.dmp

      Filesize

      7.7MB

    • memory/3536-7-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/3536-12-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/3536-5-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/3536-15-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB