Analysis

  • max time kernel
    105s
  • max time network
    143s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250610-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250610-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    22/07/2025, 12:59

General

  • Target
    Setup.exe
  • Size 1022KB
  • Sample250722-p8aq2ack21
  • SHA256 ad8d2d36547bb6c3fd44a137948dae585b9c66f7f3e6c36adcb0fd1f6a130a37
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://t.me/lylajuipo

  • https://ummact.top/aktr

  • https://worlejrc.xyz/xaiw

  • https://permwgp.xyz/xlak

  • https://corronxu.xyz/xowq

  • https://ultracpj.xyz/apgk

  • https://vegemuoe.top/xauy

  • https://seruneqy.live/akiz

  • https://siniavzv.life/xajz

  • https://strujqwn.xyz/xkkd

Attributes
  • build_id

    c4d08bd29c8b735e0a08e88338f784fc893efe41c59605a929

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 2 IoCs
  • Drops file in Windows directory 2 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.

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

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • 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⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3648
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /k move Validity.xlt Validity.xlt.cmd & Validity.xlt.cmd & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4772
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1036
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4208
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4348
      • C:\Windows\SysWOW64\findstr.exe
        findstr "SophosHealth nsWscSvc ekrn bdservicehost AvastUI AVGUI & if not errorlevel 1 Set UCEmMKcRisEUmSLaAwzguRUjQEkbhjUNBxiwK=AutoIt3.exe & Set oQCMoglnBswtpVNCqMpAxfVJtJXH=.a3x & Set RHvHINimBE=300
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4684
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y Completion.xlt *.*
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4052
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "GOES" Pride
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2228
      • C:\Users\Admin\AppData\Local\Temp\755164\Alleged.com
        Alleged.com J
        3⤵
        • 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:2688
      • 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:3024

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Alleged.com

        • Path C:\Users\Admin\AppData\Local\Temp\755164\Alleged.com
        • Size 957KB
        • SHA256 3ec9740bedc683021cc3e94e4a33b3a9d3d6f9b9e96b1f04cc6534f551dd58c1
        • MD5 SHA1 SHA512 SSDEEP

        J

        • Path C:\Users\Admin\AppData\Local\Temp\755164\J
        • Size 449KB
        • SHA256 e8d71e2dd4561421a2359f57bad3aa3a91dfd5c2a2afe23e93254ba5c6e5bb3b
        • MD5 SHA1 SHA512 SSDEEP

        Across.xlt

        • Path C:\Users\Admin\AppData\Local\Temp\Across.xlt
        • Size 84KB
        • SHA256 dde1b79a07b28ecea89be08e243757317c21d9d44501702e2f1a6debab89b3ed
        • MD5 SHA1 SHA512 SSDEEP

        Cells

        • Path C:\Users\Admin\AppData\Local\Temp\Cells
        • Size 52KB
        • SHA256 000aa5bdb1eb1722eb0c3618519589c8b545c55c4c9f43cadac62073e39a87b7
        • MD5 SHA1 SHA512 SSDEEP

        Completion.xlt

        • Path C:\Users\Admin\AppData\Local\Temp\Completion.xlt
        • Size 493KB
        • SHA256 d888940d5d1f87ec2e05904049822a1797876fbf7a0470da774b8905d86dbd44
        • MD5 SHA1 SHA512 SSDEEP

        Directed

        • Path C:\Users\Admin\AppData\Local\Temp\Directed
        • Size 110KB
        • SHA256 8b41cdb5718549fdf4ad7500638b547f82d57cdd7a33c524d310c5536adc3b24
        • MD5 SHA1 SHA512 SSDEEP

        Drive

        • Path C:\Users\Admin\AppData\Local\Temp\Drive
        • Size 55KB
        • SHA256 457f0a5a7a631681c6a07a12fb58d82e57563451319b26ef0235c5ef619a07c2
        • MD5 SHA1 SHA512 SSDEEP

        Fw

        • Path C:\Users\Admin\AppData\Local\Temp\Fw
        • Size 107KB
        • SHA256 9aa19557e2e5b7a6c2505529ea86caf5ff949bc3073e1a4dbe3f5016e2a50a12
        • MD5 SHA1 SHA512 SSDEEP

        Grades

        • Path C:\Users\Admin\AppData\Local\Temp\Grades
        • Size 80KB
        • SHA256 9b12cc480c7485dd514ef40955bab190cf65f719e0b6149046725180830e0f02
        • MD5 SHA1 SHA512 SSDEEP

        Hotel

        • Path C:\Users\Admin\AppData\Local\Temp\Hotel
        • Size 86KB
        • SHA256 1d6d78d46f49e00a0a7c7ded87868199ddcda0711ed3d22cd91d1fca161e80b2
        • MD5 SHA1 SHA512 SSDEEP

        Lauren

        • Path C:\Users\Admin\AppData\Local\Temp\Lauren
        • Size 6KB
        • SHA256 eea2286f49b96292d216c95895a554bdcf5532fb8434c2eb98a19e38e9e28331
        • MD5 SHA1 SHA512 SSDEEP

        Lending

        • Path C:\Users\Admin\AppData\Local\Temp\Lending
        • Size 107KB
        • SHA256 61c62a4f01f361d241ac8008625e27b4789f568cf98db9d80ac6a39193c2e4eb
        • MD5 SHA1 SHA512 SSDEEP

        Muscles.xlt

        • Path C:\Users\Admin\AppData\Local\Temp\Muscles.xlt
        • Size 90KB
        • SHA256 9e7645c307f5f3f295167e75426d5f41c845f906cfc5ff525fee44bd3386e03b
        • MD5 SHA1 SHA512 SSDEEP

        Need.xlt

        • Path C:\Users\Admin\AppData\Local\Temp\Need.xlt
        • Size 51KB
        • SHA256 aaf6e939ce4f2f75c8c000878e80b734cd7ab4524a80d0039f9d591509a02b27
        • MD5 SHA1 SHA512 SSDEEP

        Niger

        • Path C:\Users\Admin\AppData\Local\Temp\Niger
        • Size 95KB
        • SHA256 f732dac838407693376cfc374a524eccdea494b12497eadfc8864acfb263c2f4
        • MD5 SHA1 SHA512 SSDEEP

        Premium

        • Path C:\Users\Admin\AppData\Local\Temp\Premium
        • Size 147KB
        • SHA256 2d471d046bc4b3f2d8c143c324b77a46c8b01c629705516fff87c60383e312bb
        • MD5 SHA1 SHA512 SSDEEP

        Prerequisite

        • Path C:\Users\Admin\AppData\Local\Temp\Prerequisite
        • Size 111KB
        • SHA256 d329a82dd3eceba51f85cff26dcc239cfd8837f740cd555d8975a0c5e246c26a
        • MD5 SHA1 SHA512 SSDEEP

        Pride

        • Path C:\Users\Admin\AppData\Local\Temp\Pride
        • Size 684B
        • SHA256 27b2122e6cf89dd9d2868f6618c2e88c3ee3c483726ac9bd19637ca43597dd23
        • MD5 SHA1 SHA512

        Receives.xlt

        • Path C:\Users\Admin\AppData\Local\Temp\Receives.xlt
        • Size 91KB
        • SHA256 12f6973714d5f076a2edfc73d3ab8346eeb6d45904f7e94ddcfe9f392212af07
        • MD5 SHA1 SHA512 SSDEEP

        Steve.xlt

        • Path C:\Users\Admin\AppData\Local\Temp\Steve.xlt
        • Size 58KB
        • SHA256 051a93a1ee39b64d47157a6b4fb3803a1d086ea6be62d559786a71745ef52689
        • MD5 SHA1 SHA512 SSDEEP

        Translated.xlt

        • Path C:\Users\Admin\AppData\Local\Temp\Translated.xlt
        • Size 75KB
        • SHA256 51580a3f3568bb6d8fd1b1b90ab4788e3ea084d914bc2693c40caa158767dbd7
        • MD5 SHA1 SHA512 SSDEEP

        Validity.xlt

        • Path C:\Users\Admin\AppData\Local\Temp\Validity.xlt
        • Size 9KB
        • SHA256 8f8855d6437f78127f2d716ef66cac80f54e4a92a825b9064e897044ad6cb867
        • MD5 SHA1 SHA512 SSDEEP

        nsExec.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsj760D.tmp\nsExec.dll
        • Size 6KB
        • SHA256 8165c7aef7de3d3e0549776535bedc380ad9be7bb85e60ad6436f71528d092af
        • MD5 SHA1 SHA512 SSDEEP

        memory/2688-80-0x0000000004D50000-0x0000000004DAF000-memory.dmp

        memory/2688-81-0x0000000004D50000-0x0000000004DAF000-memory.dmp

        memory/2688-82-0x0000000004D50000-0x0000000004DAF000-memory.dmp

        memory/2688-84-0x0000000004D50000-0x0000000004DAF000-memory.dmp

        memory/2688-83-0x0000000004D50000-0x0000000004DAF000-memory.dmp