Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 00:38

General

  • Target
    Loader.exe
  • Size 283KB
  • Sample240820-azdzrsvblh
  • SHA256 4c143649b75ae0f7d7b5a0fd163b12c94e528c24260693a5771232a3ad847623
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • lumma

C2
  • https://potentioallykeos.shop/api

  • https://interactiedovspm.shop/api

  • https://cagedwifedsozm.shop/api

  • https://deicedosmzj.shop/api

  • https://southedhiscuso.shop/api

  • https://consciousourwi.shop/api

  • https://tenntysjuxmz.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Suspicious use of SetThreadContext 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 20 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:2112
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2396
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        PID:2376

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          CabADAF.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\CabADAF.tmp
          • Size 70KB
          • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
          • MD5 SHA1 SHA512 SSDEEP

          TarAE1F.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\TarAE1F.tmp
          • Size 181KB
          • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
          • MD5 SHA1 SHA512 SSDEEP

          memory/2112-17-0x0000000074020000-0x000000007470E000-memory.dmp

          memory/2112-0-0x000000007402E000-0x000000007402F000-memory.dmp

          memory/2112-13-0x0000000074020000-0x000000007470E000-memory.dmp

          memory/2112-1-0x00000000003C0000-0x000000000040A000-memory.dmp

          memory/2376-12-0x0000000000400000-0x000000000044E000-memory.dmp

          memory/2376-7-0x0000000000400000-0x000000000044E000-memory.dmp

          memory/2376-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          memory/2376-9-0x0000000000400000-0x000000000044E000-memory.dmp

          memory/2376-8-0x0000000000400000-0x000000000044E000-memory.dmp

          memory/2376-16-0x0000000000400000-0x000000000044E000-memory.dmp

          memory/2376-5-0x0000000000400000-0x000000000044E000-memory.dmp

          memory/2376-3-0x0000000000400000-0x000000000044E000-memory.dmp

          memory/2376-15-0x0000000000400000-0x000000000044E000-memory.dmp

          memory/2376-52-0x0000000000400000-0x000000000044E000-memory.dmp