Analysis

  • max time kernel
    93s
  • max time network
    140s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250425-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250425-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    27/07/2025, 16:24

General

  • Target
    🗃️⋱𝓢𝓔𝓣𝓤𝓟.exe
  • Size 1.0MB
  • Sample250727-twkspack6v
  • SHA256 d87fb4f7c8d5023adeb8d1203fa083c683e1875451a02c717b8d1b5f63215a53
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://orekcee.fun/xowp

  • https://integkr.pics/zman

  • https://aspecqo.top/towp

  • https://paramkc.lat/zayw

  • https://severhi.lol/xahb/api

  • https://emapsho.fun/azmn

  • https://firiaer.fun/aoiw

  • https://emageuv.fun/xiza

Attributes
  • build_id

    a7d251168f19156881e2607f537fa8dab347

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
  • 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.

  • Reads user/profile data of web browsers 3 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.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /k move Upgrade.xls Upgrade.xls.cmd & Upgrade.xls.cmd & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3376
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2772
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4212
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5772
      • C:\Windows\SysWOW64\findstr.exe
        findstr "SophosHealth nsWscSvc ekrn bdservicehost AvastUI AVGUI & if not errorlevel 1 Set bfwfpdCOiazDubvoGLuxmXOfEIoTdY=AutoIt3.exe & Set GhvRshhkJDzrihgfJYCtzbf=.a3x & Set IOlsAsUGZziZkCbrBNV=300
        3⤵
        • System Location Discovery: System Language Discovery
        PID:936
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y Adams.xls *.*
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4452
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "Pins" Celebrate
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5024
      • C:\Users\Admin\AppData\Local\Temp\126332\Ref.com
        Ref.com P
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4952
      • C:\Windows\SysWOW64\PING.EXE
        ping localhost -n 5
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4848

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        P

        • Path C:\Users\Admin\AppData\Local\Temp\126332\P
        • Size 458KB
        • SHA256 e9a3be1298be20534130f0b059d651f6c4a8903f16f9a9bb785176aecfe78ab9
        • MD5 SHA1 SHA512 SSDEEP

        Ref.com

        • Path C:\Users\Admin\AppData\Local\Temp\126332\Ref.com
        • Size 957KB
        • SHA256 3ec9740bedc683021cc3e94e4a33b3a9d3d6f9b9e96b1f04cc6534f551dd58c1
        • MD5 SHA1 SHA512 SSDEEP

        Actress

        • Path C:\Users\Admin\AppData\Local\Temp\Actress
        • Size 79KB
        • SHA256 8e870746aba4edcc8b815a41e97deb8ad1ef6fa30f84c3448ea666ae0b4fe432
        • MD5 SHA1 SHA512 SSDEEP

        Adams.xls

        • Path C:\Users\Admin\AppData\Local\Temp\Adams.xls
        • Size 494KB
        • SHA256 7c22b06d3eb9be3801b56893297664d985a804d497f28d9a44223d133e15dea9
        • MD5 SHA1 SHA512 SSDEEP

        Bull.xls

        • Path C:\Users\Admin\AppData\Local\Temp\Bull.xls
        • Size 68KB
        • SHA256 6a6e53130440a89f946f5f63a4baa6caeeef4d7740ed1b62868880b8c9dd2f0b
        • MD5 SHA1 SHA512 SSDEEP

        Cds

        • Path C:\Users\Admin\AppData\Local\Temp\Cds
        • Size 56KB
        • SHA256 77d982a49b6c15fd5a3ed11d0391cab484bb0692a3f44bb6b7c1d8e48e8af58e
        • MD5 SHA1 SHA512 SSDEEP

        Celebrate

        • Path C:\Users\Admin\AppData\Local\Temp\Celebrate
        • Size 536B
        • SHA256 d81da1947c1a78510ee3e2e4ed34913d30537c8f109b7e411da025cae3bef828
        • MD5 SHA1 SHA512

        Decades.xls

        • Path C:\Users\Admin\AppData\Local\Temp\Decades.xls
        • Size 53KB
        • SHA256 6c682d26c0cf09bc0e5d1a85ba6df784db8ae0b85f5fdea62eb3211ab4487421
        • MD5 SHA1 SHA512 SSDEEP

        Developed

        • Path C:\Users\Admin\AppData\Local\Temp\Developed
        • Size 112KB
        • SHA256 c263c73684d532f5b6dde94f2df2b8ace91202e75492cbca0e211faf17e0e984
        • MD5 SHA1 SHA512 SSDEEP

        Drunk

        • Path C:\Users\Admin\AppData\Local\Temp\Drunk
        • Size 70KB
        • SHA256 c505e3828e2e15dfb241aeff7160dcaeb84a84986ec56e76cbf6a89cc2397440
        • MD5 SHA1 SHA512 SSDEEP

        Executives.xls

        • Path C:\Users\Admin\AppData\Local\Temp\Executives.xls
        • Size 41KB
        • SHA256 ba12d88e129c90375afc6e4d3702ae70e017b154375735ba50b96ad840092f11
        • MD5 SHA1 SHA512 SSDEEP

        Feet.xls

        • Path C:\Users\Admin\AppData\Local\Temp\Feet.xls
        • Size 79KB
        • SHA256 7f7e85e481a684fcc5f8e00a2e602461ae94feadf7e1ab0c3177c7fa0be1ce65
        • MD5 SHA1 SHA512 SSDEEP

        Habitat.xls

        • Path C:\Users\Admin\AppData\Local\Temp\Habitat.xls
        • Size 52KB
        • SHA256 4c316649c643b1c6ac32e083634ee144676c4ef66fc06e263e09087b669756ae
        • MD5 SHA1 SHA512 SSDEEP

        Hs

        • Path C:\Users\Admin\AppData\Local\Temp\Hs
        • Size 136KB
        • SHA256 a3ac711d051e8f83f2fe95c473691ffa9ce7696df1b7f4417520f971cd2e65ba
        • MD5 SHA1 SHA512 SSDEEP

        Locked

        • Path C:\Users\Admin\AppData\Local\Temp\Locked
        • Size 117KB
        • SHA256 0f8376f743ff931ebc9ab97e1791e00d45d1f33d3923cf8d4b26b2acb63b9794
        • MD5 SHA1 SHA512 SSDEEP

        Nursery

        • Path C:\Users\Admin\AppData\Local\Temp\Nursery
        • Size 51KB
        • SHA256 32110fe0b52a85388edefb7c12f865644f46cd16a79d8558e1cff88366a02795
        • MD5 SHA1 SHA512 SSDEEP

        Outline

        • Path C:\Users\Admin\AppData\Local\Temp\Outline
        • Size 94KB
        • SHA256 0c9ee7ca81e851f441cc896eaf90c01065cb5c561d2c40f508897a0d6299e080
        • MD5 SHA1 SHA512 SSDEEP

        Remind

        • Path C:\Users\Admin\AppData\Local\Temp\Remind
        • Size 77KB
        • SHA256 d96a4fe9c4ae989d4aca6684c6c5f28c35bcaab310112cfc76a5af922bc0e631
        • MD5 SHA1 SHA512 SSDEEP

        Symantec

        • Path C:\Users\Admin\AppData\Local\Temp\Symantec
        • Size 87KB
        • SHA256 6b381e1663b2e51dd9fe0f26d017e01dab3e7c77c75ad064a8811f11519a8d15
        • MD5 SHA1 SHA512 SSDEEP

        Tyler.xls

        • Path C:\Users\Admin\AppData\Local\Temp\Tyler.xls
        • Size 90KB
        • SHA256 281eeeb4279b4c8bd8ca7c81992b4d4dac509ef5b388e8aa69603ee13746cfe2
        • MD5 SHA1 SHA512 SSDEEP

        Upgrade.xls

        • Path C:\Users\Admin\AppData\Local\Temp\Upgrade.xls
        • Size 15KB
        • SHA256 7469fe6bfbbf9f11e88ca555a2e323732166275fd8ee8ad98a0996dc2d354f35
        • MD5 SHA1 SHA512 SSDEEP

        Visa

        • Path C:\Users\Admin\AppData\Local\Temp\Visa
        • Size 77KB
        • SHA256 c25ed6673ad272280ee8af959965c0218e10f87949fe6d1a5dae8e514e572008
        • MD5 SHA1 SHA512 SSDEEP

        Workflow.xls

        • Path C:\Users\Admin\AppData\Local\Temp\Workflow.xls
        • Size 75KB
        • SHA256 176cc721d38ed322930060cab59f9bba5ef6b55bd2c21fa0278db429c57abc99
        • MD5 SHA1 SHA512 SSDEEP

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsn4E41.tmp\nsExec.dll
        • Size 6KB
        • SHA256 8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af
        • MD5 SHA1 SHA512 SSDEEP

        memory/4952-79-0x0000000000400000-0x000000000045D000-memory.dmp

        memory/4952-80-0x0000000000400000-0x000000000045D000-memory.dmp

        memory/4952-81-0x0000000000400000-0x000000000045D000-memory.dmp

        memory/4952-83-0x0000000000400000-0x000000000045D000-memory.dmp

        memory/4952-82-0x0000000000400000-0x000000000045D000-memory.dmp