Analysis

  • max time kernel
    103s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    13/09/2025, 22:53

General

  • Target
    Setup.exe
  • Size 95.0MB
  • Sample250913-2vb36awks5
  • SHA256 54138039e021c6c40952b557bf9e6268367126d6c5e6855e44cc946d55a3b65d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://rhussois.su/tatr

  • https://lexenorf.org/zdhs

  • https://sirhirssg.su/xzde

  • https://prebwle.su/xazd

  • https://newflux75.xyz/xkzp

  • https://acrislegt.su/tazd

  • https://averiryvx.su/zadr

  • https://cerasatvf.su/qtpd

Attributes
  • build_id

    a68f482418dcb0d63279ccfc5843052e76d2750e7079a4d7

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 3 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 18 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:5864
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c cmd < Dennis.gif
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Windows\SysWOW64\cmd.exe
        cmd
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2004
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1676
        • C:\Windows\SysWOW64\findstr.exe
          findstr "SophosHealth nsWscSvc ekrn bdservicehost AvastUI AVGUI & if not errorlevel 1 Set zvVUJHiGbvwoDIZXMdUJBbL=AutoIt3.exe & Set rZpVfySXLUitSPkRqeaPvodhJtU=.a3x & Set erVWNVqSJLmO=300
          4⤵
          • System Location Discovery: System Language Discovery
          PID:664
        • C:\Windows\SysWOW64\extrac32.exe
          extrac32 /Y Mars.gif *.*
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5684
        • C:\Windows\SysWOW64\findstr.exe
          findstr /V "OPINION" Korea
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4924
        • C:\Users\Admin\AppData\Local\Temp\24103\Centres.pif
          Centres.pif N
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:4324

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Centres.pif

        • Path C:\Users\Admin\AppData\Local\Temp\24103\Centres.pif
        • Size 957KB
        • SHA256 3ec9740bedc683021cc3e94e4a33b3a9d3d6f9b9e96b1f04cc6534f551dd58c1
        • MD5 SHA1 SHA512 SSDEEP

        N

        • Path C:\Users\Admin\AppData\Local\Temp\24103\N
        • Size 515KB
        • SHA256 ca01a5d969c5828c347d38c5412027d30c330d8a1ef67ac790f4b1e58a6b0bf6
        • MD5 SHA1 SHA512 SSDEEP

        Aquarium.gif

        • Path C:\Users\Admin\AppData\Local\Temp\Aquarium.gif
        • Size 293KB
        • SHA256 83604a0fd0dc8ce53e3b80a21ff13d25e92795e774f6afe0ed8622496ee9fe7d
        • MD5 SHA1 SHA512 SSDEEP

        Butts.gif

        • Path C:\Users\Admin\AppData\Local\Temp\Butts.gif
        • Size 28KB
        • SHA256 d4596086338e0eceb262c4d483d615becd9619138891c59e9351f394d695dd8c
        • MD5 SHA1 SHA512 SSDEEP

        Crash

        • Path C:\Users\Admin\AppData\Local\Temp\Crash
        • Size 96KB
        • SHA256 0a1baa1182cb7b312a7189f781f3e575d656485a3c6777b74076445960d376cc
        • MD5 SHA1 SHA512 SSDEEP

        Dennis.gif

        • Path C:\Users\Admin\AppData\Local\Temp\Dennis.gif
        • Size 19KB
        • SHA256 46ab0ebfa850e42c792b673956ac5ed5536ef92a26c95eb4bbdc0dd8f9198f48
        • MD5 SHA1 SHA512 SSDEEP

        Gap

        • Path C:\Users\Admin\AppData\Local\Temp\Gap
        • Size 89KB
        • SHA256 f89c3f730d96e73cdb9248421b2958477ee0b2366d5e6180c4789d269dcc7ffb
        • MD5 SHA1 SHA512 SSDEEP

        Gps

        • Path C:\Users\Admin\AppData\Local\Temp\Gps
        • Size 71KB
        • SHA256 6b669e5b94e31c2d9488bfb7f2be13a205c40bd407d0b6fc7d1e04e65a90de54
        • MD5 SHA1 SHA512 SSDEEP

        Human

        • Path C:\Users\Admin\AppData\Local\Temp\Human
        • Size 144KB
        • SHA256 6b1b1865875c7d568e9613961be8f08f4f5b4dba78707117b3a9b448fbf29c15
        • MD5 SHA1 SHA512 SSDEEP

        Indexed

        • Path C:\Users\Admin\AppData\Local\Temp\Indexed
        • Size 104KB
        • SHA256 a0d1c441bacfb8098539d8e6e6993886d32957e179aab3e1488676b877e17977
        • MD5 SHA1 SHA512 SSDEEP

        Korea

        • Path C:\Users\Admin\AppData\Local\Temp\Korea
        • Size 1KB
        • SHA256 aca1cda044d4c4bf1b4079ed5118579800a6744a70f7f150ca72d38e35910a70
        • MD5 SHA1 SHA512

        Looks

        • Path C:\Users\Admin\AppData\Local\Temp\Looks
        • Size 120KB
        • SHA256 bc4af999515b76729cbdeaa435e23bf3888f9bb48d6c0de599172817a8888a63
        • MD5 SHA1 SHA512 SSDEEP

        Mars.gif

        • Path C:\Users\Admin\AppData\Local\Temp\Mars.gif
        • Size 493KB
        • SHA256 6087a254155d4e075a50462ef9959e6f0d786d904feafda35e49aa27972f6f54
        • MD5 SHA1 SHA512 SSDEEP

        Planet

        • Path C:\Users\Admin\AppData\Local\Temp\Planet
        • Size 84KB
        • SHA256 b0ea1c83820a8442dbf2d6f1dee71098e770f18aed070f3c31c767f8e4e93c9f
        • MD5 SHA1 SHA512 SSDEEP

        Premiere

        • Path C:\Users\Admin\AppData\Local\Temp\Premiere
        • Size 118KB
        • SHA256 ef96ed2a9c296f41d43d022d1eccfadc10c93b801f1653bf70c7be43139eb27b
        • MD5 SHA1 SHA512 SSDEEP

        Studios

        • Path C:\Users\Admin\AppData\Local\Temp\Studios
        • Size 51KB
        • SHA256 dd3058342fc254d9765066987fbe2703a414c36808ce580bb91f03f9c5642d41
        • MD5 SHA1 SHA512 SSDEEP

        Tables.gif

        • Path C:\Users\Admin\AppData\Local\Temp\Tables.gif
        • Size 194KB
        • SHA256 7a819eafe2c6b6be29a0e985859e1bd106980a854a2f5026e1dc203b8758fcb9
        • MD5 SHA1 SHA512 SSDEEP

        Timer

        • Path C:\Users\Admin\AppData\Local\Temp\Timer
        • Size 78KB
        • SHA256 9bc25a55f8bf66947e6dc7be41667b072a753048af22671e03406dce716b3557
        • MD5 SHA1 SHA512 SSDEEP

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsn7409.tmp\nsExec.dll
        • Size 6KB
        • SHA256 8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af
        • MD5 SHA1 SHA512 SSDEEP

        memory/4324-71-0x00000000049F0000-0x0000000004A51000-memory.dmp

        memory/4324-70-0x00000000049F0000-0x0000000004A51000-memory.dmp

        memory/4324-72-0x00000000049F0000-0x0000000004A51000-memory.dmp

        memory/4324-74-0x00000000049F0000-0x0000000004A51000-memory.dmp

        memory/4324-73-0x00000000049F0000-0x0000000004A51000-memory.dmp