Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/07/2023, 10:38

General

  • Target

    lumma.exe

  • Size

    6.1MB

  • MD5

    5dbd662bf2a7fadeca6bbba5898bb8d4

  • SHA1

    44d889bb3410e9349f3b29db898570afed81e15f

  • SHA256

    6d01ffff31ad0cb763b02e84a7c859f4dc93fe7dd4de0ffc85be2b224ac274e0

  • SHA512

    a152b7e65d44d1d86de40a726db7e4bb3e5fd8bf09437f18e1f29103f410f856b0cd1522f3bd4f47d83d49f3d0d36204a94395df81cd8ff627a7cbd4bf3998a2

  • SSDEEP

    196608:yujq6slR93VL+8fpeBjXTUy6/hKsMmDk:yujFordeBnp6/4sMR

Malware Config

Signatures

  • Lumma Stealer

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\lumma.exe
    "C:\Users\Admin\AppData\Local\Temp\lumma.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Users\Admin\AppData\Local\Temp\lumma.exe
      C:\Users\Admin\AppData\Local\Temp\lumma.exe
      2⤵
        PID:1340

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1340-1065-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1340-1066-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/4792-168-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-164-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-137-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-138-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-140-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-142-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-144-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-146-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-148-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-150-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-152-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-154-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-156-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-158-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-160-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-162-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-170-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-166-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-136-0x00000000067D0000-0x0000000006862000-memory.dmp

      Filesize

      584KB

    • memory/4792-133-0x0000000000510000-0x0000000000B24000-memory.dmp

      Filesize

      6.1MB

    • memory/4792-178-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-174-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-176-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-172-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-180-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-182-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-184-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-186-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-188-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-190-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-192-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-194-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-196-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-198-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-200-0x00000000065F0000-0x00000000066BD000-memory.dmp

      Filesize

      820KB

    • memory/4792-1059-0x0000000005DD0000-0x0000000005DD1000-memory.dmp

      Filesize

      4KB

    • memory/4792-1060-0x0000000005440000-0x0000000005450000-memory.dmp

      Filesize

      64KB

    • memory/4792-135-0x0000000006C80000-0x0000000007224000-memory.dmp

      Filesize

      5.6MB

    • memory/4792-134-0x0000000005440000-0x0000000005450000-memory.dmp

      Filesize

      64KB