Resubmissions

08/06/2024, 18:39

240608-xak34sfc9610

08/06/2024, 18:37

240608-w9q8qsfc8610

Analysis

  • max time kernel
    51s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/06/2024, 18:37

General

  • Target
    BLT Updater v.1.12.exe
  • Size 541KB
  • Sample240608-w9q8qsfc86
  • SHA256 4d78a755479061e805e7f1c6049f67805bcca95ef3397ca87c2c56897d867d75
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • lumma

C2
  • https://liabiliytshareodlkv.shop/api

  • https://notoriousdcellkw.shop/api

  • https://conferencefreckewl.shop/api

  • https://flourhishdiscovrw.shop/api

  • https://landdumpycolorwskfw.shop/api

  • https://ohfantasyproclaiwlo.shop/api

  • https://parallelmercywksoffw.shop/api

  • https://barebrilliancedkoso.shop/api

Signatures

  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BLT Updater v.1.12.exe
    "C:\Users\Admin\AppData\Local\Temp\BLT Updater v.1.12.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:3716
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3444,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4088 /prefetch:8
      1⤵
        PID:4636
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:1748

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/3716-2-0x0000000000400000-0x000000000045B000-memory.dmp

              memory/3716-6-0x0000000000400000-0x000000000045B000-memory.dmp

              memory/3716-5-0x0000000000400000-0x000000000045B000-memory.dmp

              memory/3716-7-0x0000000000400000-0x000000000045B000-memory.dmp

              memory/4868-0-0x00000000007F0000-0x00000000007F1000-memory.dmp

              memory/4868-1-0x00000000007F0000-0x00000000007F1000-memory.dmp