Analysis

  • max time kernel
    101s
  • max time network
    105s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/08/2025, 21:09

General

  • Target
    𝗦𝗘𝗧𝗨𝗣.exe
  • Size 1.1MB
  • Sample250810-zzmz4swtaz
  • SHA256 0040cda86058738ebde0150d7ed174aeb24b06fe9c11c17aa41a1385b0a258bc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://yamakrug.ru/lzka/api

  • https://mastwin.in/qsaz/api

  • https://ordinarniyvrach.ru/xiur/api

  • https://vishneviyjazz.ru/neco/api

  • https://yrokistorii.ru/uqya/api

  • https://stolewnica.ru/xjuf/api

  • https://visokiywkaf.ru/mmtn/api

  • https://kletkamozga.ru/iwyq/api

Attributes
  • build_id

    587b1f5d034fc1d7407cf567fe0940286ef184829bc6e1f8

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
  • Loads dropped DLL 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 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\𝗦𝗘𝗧𝗨𝗣.exe
    "C:\Users\Admin\AppData\Local\Temp\𝗦𝗘𝗧𝗨𝗣.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5940
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c cmd < Example.swf
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\SysWOW64\cmd.exe
        cmd
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4612
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:5296
        • C:\Windows\SysWOW64\findstr.exe
          findstr "SophosHealth nsWscSvc ekrn bdservicehost AvastUI AVGUI & if not errorlevel 1 Set HAmsQGGuHraObcgrFmjKmINIMrmW=AutoIt3.exe & Set JlWNMHIKaPqvPauyzYFfX=.a3x & Set aBLWHwwnsZSYYznVXeVvEtHXt=300
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5284
        • C:\Windows\SysWOW64\extrac32.exe
          extrac32 /Y Itself.swf *.*
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1956
        • C:\Windows\SysWOW64\findstr.exe
          findstr /V "Extension" Wells
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5092
        • C:\Users\Admin\AppData\Local\Temp\581939\Republic.pif
          Republic.pif u
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:3140

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Republic.pif

        • Path C:\Users\Admin\AppData\Local\Temp\581939\Republic.pif
        • Size 957KB
        • SHA256 3ec9740bedc683021cc3e94e4a33b3a9d3d6f9b9e96b1f04cc6534f551dd58c1
        • MD5 SHA1 SHA512 SSDEEP

        u

        • Path C:\Users\Admin\AppData\Local\Temp\581939\u
        • Size 514KB
        • SHA256 8d17a19ed05ce2c8ff7af8d537540bccfc7072eed71722b610cfc1a771f946b6
        • MD5 SHA1 SHA512 SSDEEP

        Capacity.swf

        • Path C:\Users\Admin\AppData\Local\Temp\Capacity.swf
        • Size 282KB
        • SHA256 478095b34c9575c9c912ab7f4a09850bfda14b37d520f77fc5712a4cfe03b8a6
        • MD5 SHA1 SHA512 SSDEEP

        Constantly.swf

        • Path C:\Users\Admin\AppData\Local\Temp\Constantly.swf
        • Size 38KB
        • SHA256 a7970d83fe5d51b656b777cbe307b46016d2f33ff7c6a8de101f3ce0a9106abe
        • MD5 SHA1 SHA512 SSDEEP

        Electricity

        • Path C:\Users\Admin\AppData\Local\Temp\Electricity
        • Size 66KB
        • SHA256 cf0e9637b51a25289aa0bc98c059e474a18e4132d3696cd1db8f3bbb78757bf7
        • MD5 SHA1 SHA512 SSDEEP

        Example.swf

        • Path C:\Users\Admin\AppData\Local\Temp\Example.swf
        • Size 22KB
        • SHA256 727138f17650563887846240251d034ea2a7cb2bb462e4e972be5d1331dbbac7
        • MD5 SHA1 SHA512 SSDEEP

        Figure

        • Path C:\Users\Admin\AppData\Local\Temp\Figure
        • Size 53KB
        • SHA256 98a2a2f9b7936dc60abec8433afa0dd8b9cb44faa6ad9f85c1d8727f55c4a18f
        • MD5 SHA1 SHA512 SSDEEP

        Holders

        • Path C:\Users\Admin\AppData\Local\Temp\Holders
        • Size 57KB
        • SHA256 4204d9b3c2c6b040eb03212bd5dd311fd5ea7e03126910baa845eb73d6810488
        • MD5 SHA1 SHA512 SSDEEP

        Ids

        • Path C:\Users\Admin\AppData\Local\Temp\Ids
        • Size 95KB
        • SHA256 b286c881cbba008cff0061a472d3014f0698a25644b1e92367dc4f4ae6a00c42
        • MD5 SHA1 SHA512 SSDEEP

        Itself.swf

        • Path C:\Users\Admin\AppData\Local\Temp\Itself.swf
        • Size 496KB
        • SHA256 9f50c0f16779c2a03a5ceaaa75ec7d208d42aae36278bd5ada88f854b90edadb
        • MD5 SHA1 SHA512 SSDEEP

        Mazda

        • Path C:\Users\Admin\AppData\Local\Temp\Mazda
        • Size 56KB
        • SHA256 c5fe5620e138fce0363c3db640324448850f71158a692e52bd5c37001c16a459
        • MD5 SHA1 SHA512 SSDEEP

        Neon.swf

        • Path C:\Users\Admin\AppData\Local\Temp\Neon.swf
        • Size 194KB
        • SHA256 f4932170f3e9a79f3624b1fa290c7d95d5209f9e0a796342dff98c42f3897255
        • MD5 SHA1 SHA512 SSDEEP

        Pamela

        • Path C:\Users\Admin\AppData\Local\Temp\Pamela
        • Size 79KB
        • SHA256 754c779f817e5e184b81953629c552db2663de3c97e0659f4136196c26cc1fe6
        • MD5 SHA1 SHA512 SSDEEP

        Rooms

        • Path C:\Users\Admin\AppData\Local\Temp\Rooms
        • Size 58KB
        • SHA256 1f271c4bfe36de9a30d5b28dc1105bc5384273a385c01cd29cdd43759dd0387c
        • MD5 SHA1 SHA512 SSDEEP

        Rpm

        • Path C:\Users\Admin\AppData\Local\Temp\Rpm
        • Size 137KB
        • SHA256 d550aed56ad8d240c3e6ffed001122c40edab381fb67a980adf8a9be8f625a7b
        • MD5 SHA1 SHA512 SSDEEP

        Soap

        • Path C:\Users\Admin\AppData\Local\Temp\Soap
        • Size 124KB
        • SHA256 f4dd08284b13764d73d7ec0a6056130ea622381f48f452f210322ace06ccd764
        • MD5 SHA1 SHA512 SSDEEP

        Unfortunately

        • Path C:\Users\Admin\AppData\Local\Temp\Unfortunately
        • Size 53KB
        • SHA256 3996fecc68f4d3ce186c1bbdf9f4800d08b4d2951586b54f04da0da049b2a304
        • MD5 SHA1 SHA512 SSDEEP

        Virus

        • Path C:\Users\Admin\AppData\Local\Temp\Virus
        • Size 65KB
        • SHA256 a6b18dc9cbee08f5ce1eab2e4ef0670c11a2db5823e5e80e89521da61e69ca5b
        • MD5 SHA1 SHA512 SSDEEP

        Vote

        • Path C:\Users\Admin\AppData\Local\Temp\Vote
        • Size 81KB
        • SHA256 b73abeef28c0f0cc7b5eb2429a1c24101bdf63efbb1877d71223aad71610f15c
        • MD5 SHA1 SHA512 SSDEEP

        Wants

        • Path C:\Users\Admin\AppData\Local\Temp\Wants
        • Size 30KB
        • SHA256 e342a914803c3abe595da497ac3e33271bd2939269fcb98cce5c2f2606ed2f5e
        • MD5 SHA1 SHA512 SSDEEP

        Wells

        • Path C:\Users\Admin\AppData\Local\Temp\Wells
        • Size 2KB
        • SHA256 7b6234fad5c8f5d8b2def091d7c3482c274951cf8c87850b3a5289d4250a8f63
        • MD5 SHA1 SHA512

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsn6709.tmp\nsExec.dll
        • Size 6KB
        • SHA256 8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af
        • MD5 SHA1 SHA512 SSDEEP

        memory/3140-82-0x0000000004A60000-0x0000000004AC0000-memory.dmp

        memory/3140-83-0x0000000004A60000-0x0000000004AC0000-memory.dmp

        memory/3140-84-0x0000000004A60000-0x0000000004AC0000-memory.dmp

        memory/3140-85-0x0000000004A60000-0x0000000004AC0000-memory.dmp

        memory/3140-86-0x0000000004A60000-0x0000000004AC0000-memory.dmp