Analysis

  • max time kernel
    101s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/07/2025, 18:59

General

  • Target
    Setup.exe
  • Size 1.1MB
  • Sample250704-xnavasxtgx
  • SHA256 cf2cb87ad7efe52b506124b259832d0e074deb3a77cff29a9dce8d4d7521e8b7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://flagowe.shop/xpal

  • 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

    0a163df940ad778a4ae2409ca751eb9976728ab6db11

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • 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 6 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.

  • Suspicious behavior: EnumeratesProcesses 10 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\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5592
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c copy Systematic.wmv Systematic.wmv.bat & Systematic.wmv.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5004
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5244
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4632
      • C:\Windows\SysWOW64\findstr.exe
        findstr "nsWscSvc ekrn bdservicehost SophosHealth AvastUI AVGUI & if not errorlevel 1 Set LVbgwERLdkrJzYKciUgOdMjmir=AutoIt3.exe & Set IHncGXFtXHZ=.a3x & Set NslOcZEAmkkmokTjYjWQZDmqfegKAbMXlziAZLp=300
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5992
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y Epinions.wmv *.*
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2324
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "mixed" Term
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3716
      • C:\Users\Admin\AppData\Local\Temp\222756\Trail.com
        Trail.com C
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5512
      • C:\Windows\SysWOW64\choice.exe
        choice /d n /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1052

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        C

        • Path C:\Users\Admin\AppData\Local\Temp\222756\C
        • Size 451KB
        • SHA256 b4342717f95bdfcf57b68b69b4fe593516de2eb64366f0ddc850394107846995
        • MD5 SHA1 SHA512 SSDEEP

        Trail.com

        • Path C:\Users\Admin\AppData\Local\Temp\222756\Trail.com
        • Size 925KB
        • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
        • MD5 SHA1 SHA512 SSDEEP

        Adware

        • Path C:\Users\Admin\AppData\Local\Temp\Adware
        • Size 104KB
        • SHA256 0557971ee400e9c77ec2abfd9c14e2ff79dd8ea2ff27ee2a5d01f2a0edd1661f
        • MD5 SHA1 SHA512 SSDEEP

        Ampland

        • Path C:\Users\Admin\AppData\Local\Temp\Ampland
        • Size 72KB
        • SHA256 9b0e59b0a8c21205f2e92e64612c46d7f3cdccb5a34796fd35cf308690d56c45
        • MD5 SHA1 SHA512 SSDEEP

        Approximately.wmv

        • Path C:\Users\Admin\AppData\Local\Temp\Approximately.wmv
        • Size 75KB
        • SHA256 45c993297505d2ae618b38530831846e82c6aeab83be089fcff631db46d97396
        • MD5 SHA1 SHA512 SSDEEP

        Assess

        • Path C:\Users\Admin\AppData\Local\Temp\Assess
        • Size 77KB
        • SHA256 bee34e854ab0a7d18ed3320bda1b0b528db26fbca25086e6f0e1e0162e98ba50
        • MD5 SHA1 SHA512 SSDEEP

        Boom

        • Path C:\Users\Admin\AppData\Local\Temp\Boom
        • Size 105KB
        • SHA256 607977efd8305269cb04208f0970594c142ea0c47ec2391ef22171591146da1e
        • MD5 SHA1 SHA512 SSDEEP

        Counts.wmv

        • Path C:\Users\Admin\AppData\Local\Temp\Counts.wmv
        • Size 67KB
        • SHA256 ae328c994a2d8f5816a111c1100047fa6fc3c2b4fe75a447191f382ef186a8c6
        • MD5 SHA1 SHA512 SSDEEP

        Diet

        • Path C:\Users\Admin\AppData\Local\Temp\Diet
        • Size 116KB
        • SHA256 338f792605efbbc6e73b4aec70b6345ff619d88476ddaeb2e4fb41c66d3761e8
        • MD5 SHA1 SHA512 SSDEEP

        Disable

        • Path C:\Users\Admin\AppData\Local\Temp\Disable
        • Size 70KB
        • SHA256 62c6cad4f514b89315ecf205eefd54b62c5ca86f005d7fb707442156e8b9c173
        • MD5 SHA1 SHA512 SSDEEP

        Epinions.wmv

        • Path C:\Users\Admin\AppData\Local\Temp\Epinions.wmv
        • Size 477KB
        • SHA256 a55b1555e714b1babab8f9702bdfc1826e7a5dd641520108b8f9c3e149b9a83b
        • MD5 SHA1 SHA512 SSDEEP

        Honest

        • Path C:\Users\Admin\AppData\Local\Temp\Honest
        • Size 50KB
        • SHA256 55680808f0b550403b7c88d2b18900a9db294a0e761109d70780eef07fb032c2
        • MD5 SHA1 SHA512 SSDEEP

        Leaf.wmv

        • Path C:\Users\Admin\AppData\Local\Temp\Leaf.wmv
        • Size 67KB
        • SHA256 079f4865c9a983f7dc5eaf7b3c2d43a2ef62715a63e22cc14bc7d776c5d87140
        • MD5 SHA1 SHA512 SSDEEP

        Macro.wmv

        • Path C:\Users\Admin\AppData\Local\Temp\Macro.wmv
        • Size 88KB
        • SHA256 a7fdd00d015b85f1889904dba0ee957665d2cc7035bec4316cf2d109a3fd6481
        • MD5 SHA1 SHA512 SSDEEP

        Mountains.wmv

        • Path C:\Users\Admin\AppData\Local\Temp\Mountains.wmv
        • Size 57KB
        • SHA256 227720511a9d48f20ce19393ac2de7863735ced825c18e294b28100ef3ec9028
        • MD5 SHA1 SHA512 SSDEEP

        Nevertheless

        • Path C:\Users\Admin\AppData\Local\Temp\Nevertheless
        • Size 106KB
        • SHA256 84bf74aca94f07e7ca9354e21f1cd51fdd20977649e5840462340337ce33af98
        • MD5 SHA1 SHA512 SSDEEP

        O

        • Path C:\Users\Admin\AppData\Local\Temp\O
        • Size 106KB
        • SHA256 ff31ab0e8a634dc76899fe44520658027cbe4933d0708b0b82ce86f8e29d6743
        • MD5 SHA1 SHA512 SSDEEP

        Reduced

        • Path C:\Users\Admin\AppData\Local\Temp\Reduced
        • Size 117KB
        • SHA256 595146a5ce4072d6513ea719f05ade9e261f7b98931b170c07700306b7215439
        • MD5 SHA1 SHA512 SSDEEP

        Systematic.wmv

        • Path C:\Users\Admin\AppData\Local\Temp\Systematic.wmv
        • Size 9KB
        • SHA256 b83ec027f1c49746d95856087353d373b5e5692023e997fc2e0a4a022039d42a
        • MD5 SHA1 SHA512 SSDEEP

        Term

        • Path C:\Users\Admin\AppData\Local\Temp\Term
        • Size 1KB
        • SHA256 23c323aa87406a0d8c73021a317dc726c639452a8635bb63a175af9b321834c6
        • MD5 SHA1 SHA512

        Was.wmv

        • Path C:\Users\Admin\AppData\Local\Temp\Was.wmv
        • Size 97KB
        • SHA256 3231b2949e26099e2f454e6edf2e100950a0ccce70f3981165c5d504279f6c50
        • MD5 SHA1 SHA512 SSDEEP

        memory/5512-295-0x00000000041E0000-0x000000000423F000-memory.dmp

        memory/5512-294-0x00000000041E0000-0x000000000423F000-memory.dmp

        memory/5512-298-0x00000000041E0000-0x000000000423F000-memory.dmp

        memory/5512-297-0x00000000041E0000-0x000000000423F000-memory.dmp

        memory/5512-296-0x00000000041E0000-0x000000000423F000-memory.dmp