Analysis

  • max time kernel
    101s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/07/2025, 18:57

General

  • Target
    Latesten-v.winx--Setup.exe
  • Size 1.1MB
  • Sample250704-xmervsdk61
  • SHA256 6d2c14b76193cfe77c0c7047449dfa1668e7ba5784f17a8964fc80a73fcbb8a2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://t.me/sadwq223123asdsad

  • https://giyewf.shop/gbtw

  • https://ycvduc.xyz/trie

  • https://nbcsfar.xyz/tpxz

  • https://cbakk.xyz/ajng

  • https://trsuv.xyz/gait

  • https://sqgzl.xyz/taoa

  • https://cexpxg.xyz/airq

  • https://urarfx.xyz/twox

  • https://liaxn.xyz/nbzh

Attributes
  • build_id

    ff5ce2f397f8a727e97c26f03b0cf868aa5ce2a464

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Latesten-v.winx--Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Latesten-v.winx--Setup.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c copy Bucks.ppt Bucks.ppt.bat & Bucks.ppt.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3348
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4624
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1104
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5496
      • C:\Windows\SysWOW64\findstr.exe
        findstr "nsWscSvc ekrn bdservicehost SophosHealth AvastUI AVGUI & if not errorlevel 1 Set baJBFjnQVTLCEgUreSUQpQkhV=AutoIt3.exe & Set aWxqKhuwhcrdkgUmLLAvnoYMMbZqM=.a3x & Set EDAAbyCHoQdgoFJDgTTeSKozs=300
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5344
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y Resistance.ppt *.*
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5376
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "Freedom" Alto
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4644
      • C:\Users\Admin\AppData\Local\Temp\50795\Chapters.com
        Chapters.com D
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1604
      • C:\Windows\SysWOW64\choice.exe
        choice /d n /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3100

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Chapters.com

        • Path C:\Users\Admin\AppData\Local\Temp\50795\Chapters.com
        • Size 925KB
        • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
        • MD5 SHA1 SHA512 SSDEEP

        D

        • Path C:\Users\Admin\AppData\Local\Temp\50795\D
        • Size 480KB
        • SHA256 339b53c792a924537707c8d31dfee994f716a29f62133c258fa954981614aba1
        • MD5 SHA1 SHA512 SSDEEP

        Accomplished

        • Path C:\Users\Admin\AppData\Local\Temp\Accomplished
        • Size 85KB
        • SHA256 97c1d9b0131d88ce2987025c88fed03bdaab4336bf2e702aa5b6a40150c3f679
        • MD5 SHA1 SHA512 SSDEEP

        Ages.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\Ages.ppt
        • Size 39KB
        • SHA256 085674a0085d57fb888804bcbe06b1701da5e92cd11082a86267a8b4b2d73423
        • MD5 SHA1 SHA512 SSDEEP

        Alto

        • Path C:\Users\Admin\AppData\Local\Temp\Alto
        • Size 1KB
        • SHA256 ab7056de9609c998cf24fb89094a66544505a85c56d8a64bc7a67fd81f2904fb
        • MD5 SHA1 SHA512

        Bad.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\Bad.ppt
        • Size 84KB
        • SHA256 146230651a8af2d571bcc7bf24b5abdd4c5bd36c87999a459ad85f1c5622432b
        • MD5 SHA1 SHA512 SSDEEP

        Beaver

        • Path C:\Users\Admin\AppData\Local\Temp\Beaver
        • Size 148KB
        • SHA256 0ae168273aaf36b39fff1be347f440fc915b1ce101d70abd5bd4b925cd4a1f90
        • MD5 SHA1 SHA512 SSDEEP

        Bucks.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\Bucks.ppt
        • Size 27KB
        • SHA256 941c214a10f3bccd6dbe7a4e90de7dfc7e46c42be8ef55a0600292a15428876a
        • MD5 SHA1 SHA512 SSDEEP

        Comfortable

        • Path C:\Users\Admin\AppData\Local\Temp\Comfortable
        • Size 92KB
        • SHA256 01f09807a3dfc6bc369149bed075f854ac235d188a130c8a5ebd88bf3e7f3686
        • MD5 SHA1 SHA512 SSDEEP

        Demonstration

        • Path C:\Users\Admin\AppData\Local\Temp\Demonstration
        • Size 117KB
        • SHA256 7ed3ffb64c3df2339bdf59c2e90078212dc79d72bbf098d304033371f0cb9508
        • MD5 SHA1 SHA512 SSDEEP

        Desirable.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\Desirable.ppt
        • Size 73KB
        • SHA256 dd2bfad6d773547e78be51ed5f104df27dd469fbd65f80155a1db8eda4c740df
        • MD5 SHA1 SHA512 SSDEEP

        Diego

        • Path C:\Users\Admin\AppData\Local\Temp\Diego
        • Size 52KB
        • SHA256 08143592766cd5ff3e617c4747a40295679428f64a1304932574d22b58c0f787
        • MD5 SHA1 SHA512 SSDEEP

        Fact

        • Path C:\Users\Admin\AppData\Local\Temp\Fact
        • Size 147KB
        • SHA256 633a71fa627cde562d69a668f1a411d18a2875f4c2d7926aacc31199204f42a1
        • MD5 SHA1 SHA512 SSDEEP

        Ghana.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\Ghana.ppt
        • Size 64KB
        • SHA256 60eadc3277f9db0ae1bd29c570313ad1f7ad49123b5ef88a4d9c84f65b4ead7e
        • MD5 SHA1 SHA512 SSDEEP

        Message.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\Message.ppt
        • Size 79KB
        • SHA256 e389f2519234f4a52125369689256fd1ef3860f4239fa3126a5859824b369094
        • MD5 SHA1 SHA512 SSDEEP

        Regulations

        • Path C:\Users\Admin\AppData\Local\Temp\Regulations
        • Size 24KB
        • SHA256 4bc46c8b73d8f2b73d73cc4320e1ddc2ea41e3737fa22bee2ef0f549525256f3
        • MD5 SHA1 SHA512 SSDEEP

        Resistance.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\Resistance.ppt
        • Size 478KB
        • SHA256 41b0e3c801002943bfde4c3833d35e9ad66cedc8fdb7a754e8008d7859252ba1
        • MD5 SHA1 SHA512 SSDEEP

        Sewing

        • Path C:\Users\Admin\AppData\Local\Temp\Sewing
        • Size 132KB
        • SHA256 5a46529c20ad20ace46273d2e9076214add33861d34e871c293cf0f9817c9adb
        • MD5 SHA1 SHA512 SSDEEP

        Swimming.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\Swimming.ppt
        • Size 78KB
        • SHA256 8fa96cfa014172b1f1607d24138e14a71d729f5b822c4ae843aa71e21307cdf6
        • MD5 SHA1 SHA512 SSDEEP

        Talked.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\Talked.ppt
        • Size 63KB
        • SHA256 6a2f63656e19a414d3869b88132d9f33f25fc680a5659f855b2f8dee19a25bfd
        • MD5 SHA1 SHA512 SSDEEP

        Works

        • Path C:\Users\Admin\AppData\Local\Temp\Works
        • Size 126KB
        • SHA256 22cf3af5a0011f81d9f2a766d420fb1240f327f5199287cd746f1639d42414aa
        • MD5 SHA1 SHA512 SSDEEP

        memory/1604-665-0x0000000003ED0000-0x0000000003F2E000-memory.dmp

        memory/1604-666-0x0000000003ED0000-0x0000000003F2E000-memory.dmp

        memory/1604-668-0x0000000003ED0000-0x0000000003F2E000-memory.dmp

        memory/1604-667-0x0000000003ED0000-0x0000000003F2E000-memory.dmp

        memory/1604-664-0x0000000003ED0000-0x0000000003F2E000-memory.dmp