Analysis

  • max time kernel
    101s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250411-en
  • resource tags

    arch:x64arch:x86image:win11-20250411-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16/04/2025, 15:23

General

  • Target
    bca968bba9c5b5e046823ccfea196e2a.exe
  • Size 1.2MB
  • Sample250416-sshngswrw8
  • SHA256 e75cbce2a288aa6042ec19d11616d5fd4f7cdb25aa284c7ea5bdb5fbfe7930fb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • lumma

C2
  • https://agroeconb.live/bayz

  • https://jawdedmirror.run/ewqd

  • https://changeaie.top/geps

  • https://lonfgshadow.live/xawi

  • https://liftally.top/xasj

  • https://nighetwhisper.top/lekd

  • https://salaccgfa.top/gsooz

  • https://zestmodp.top/zeda

  • https://owlflright.digital/qopy

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.

  • 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 7 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 13 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bca968bba9c5b5e046823ccfea196e2a.exe
    "C:\Users\Admin\AppData\Local\Temp\bca968bba9c5b5e046823ccfea196e2a.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy Jamaica.mui Jamaica.mui.bat & Jamaica.mui.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2684
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2804
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4588
      • C:\Windows\SysWOW64\findstr.exe
        findstr "SophosHealth bdservicehost AvastUI AVGUI nsWscSvc ekrn"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3708
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c md 779002
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4600
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y /E Opportunity.mui
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2460
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "indie" Movie
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1724
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b 779002\Hk.com + Regard + Trips + Camel + Dried + Dolls + Apt + Bring + Canon + Caring 779002\Hk.com
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5424
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b ..\Rec.mui + ..\Difference.mui + ..\Resolutions.mui + ..\Flows.mui + ..\Dl.mui + ..\Admit.mui k
        3⤵
        • System Location Discovery: System Language Discovery
        PID:6100
      • C:\Users\Admin\AppData\Local\Temp\779002\Hk.com
        Hk.com k
        3⤵
        • 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:2292
      • C:\Windows\SysWOW64\choice.exe
        choice /d y /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4884

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Hk.com

        • Path C:\Users\Admin\AppData\Local\Temp\779002\Hk.com
        • Size 2KB
        • SHA256 4d3258f2d633a38259b581666c05a6eba707aedbcc104da58e1532672f9fbf2a
        • MD5 SHA1 SHA512

        Hk.com

        • Path C:\Users\Admin\AppData\Local\Temp\779002\Hk.com
        • Size 925KB
        • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
        • MD5 SHA1 SHA512 SSDEEP

        k

        • Path C:\Users\Admin\AppData\Local\Temp\779002\k
        • Size 531KB
        • SHA256 b981510efa563bb22dead04d1e019e9cc9f73e2f13a43e274e01317acd64d4aa
        • MD5 SHA1 SHA512 SSDEEP

        Admit.mui

        • Path C:\Users\Admin\AppData\Local\Temp\Admit.mui
        • Size 81KB
        • SHA256 e30722811e63be8ddfeffc85ee9842a3896b4a330d7e6166045fafd77407be90
        • MD5 SHA1 SHA512 SSDEEP

        Apt

        • Path C:\Users\Admin\AppData\Local\Temp\Apt
        • Size 130KB
        • SHA256 fc59d035769ca385b7c16f40f881594a50b900bcec6ae505f74ab5b4895fb5f8
        • MD5 SHA1 SHA512 SSDEEP

        Bring

        • Path C:\Users\Admin\AppData\Local\Temp\Bring
        • Size 112KB
        • SHA256 416c3140a813113b2f9ea21ef3aa2050c7058e2bbf9206508ea027e827f23d9c
        • MD5 SHA1 SHA512 SSDEEP

        Camel

        • Path C:\Users\Admin\AppData\Local\Temp\Camel
        • Size 134KB
        • SHA256 adcdd1fc578dcb7e1efa8e43d62bfa011c9d1ec3e00f4b5ee1a28e7d00646cf4
        • MD5 SHA1 SHA512 SSDEEP

        Canon

        • Path C:\Users\Admin\AppData\Local\Temp\Canon
        • Size 94KB
        • SHA256 80e8d1b0f69d93c96395ed9d0faed817ee88a699547ec2e578c6353690a987e9
        • MD5 SHA1 SHA512 SSDEEP

        Caring

        • Path C:\Users\Admin\AppData\Local\Temp\Caring
        • Size 108KB
        • SHA256 7f5aad1dcbe39d6e04f222faf915fa42bd8621b543c7a4b7766b911bc4fe4af9
        • MD5 SHA1 SHA512 SSDEEP

        Difference.mui

        • Path C:\Users\Admin\AppData\Local\Temp\Difference.mui
        • Size 95KB
        • SHA256 19b184c00c9ee82e95957723f3b619c08d4b6bef42fa9ab89ef7a1d4098761bd
        • MD5 SHA1 SHA512 SSDEEP

        Dl.mui

        • Path C:\Users\Admin\AppData\Local\Temp\Dl.mui
        • Size 94KB
        • SHA256 7f461a7834cccd960f7598603fc2c0667d17942c5de5df22a9a383fd177bf5d3
        • MD5 SHA1 SHA512 SSDEEP

        Dolls

        • Path C:\Users\Admin\AppData\Local\Temp\Dolls
        • Size 109KB
        • SHA256 39c637a10144830ec33d6095bd4e94db8edc4d4e975ea3843203d95b96084952
        • MD5 SHA1 SHA512 SSDEEP

        Dried

        • Path C:\Users\Admin\AppData\Local\Temp\Dried
        • Size 65KB
        • SHA256 2e2409cf71c8862842c504f2a64b6c9f60043548e307589830bca9488463f519
        • MD5 SHA1 SHA512 SSDEEP

        Flows.mui

        • Path C:\Users\Admin\AppData\Local\Temp\Flows.mui
        • Size 86KB
        • SHA256 1ebef32f24dbe072a06aaea994f1174065396fd53656e9ec27436640bc951fcf
        • MD5 SHA1 SHA512 SSDEEP

        Jamaica.mui

        • Path C:\Users\Admin\AppData\Local\Temp\Jamaica.mui
        • Size 16KB
        • SHA256 0bc4e41cb927039eec9bf3ce81ed1a729f4e32a867d921ee282834fbfd6fc3bc
        • MD5 SHA1 SHA512 SSDEEP

        Movie

        • Path C:\Users\Admin\AppData\Local\Temp\Movie
        • Size 2KB
        • SHA256 157863eace9a2a8601afc5ab239ab376526786810066f219dafd1e1f717d3b62
        • MD5 SHA1 SHA512

        Opportunity.mui

        • Path C:\Users\Admin\AppData\Local\Temp\Opportunity.mui
        • Size 478KB
        • SHA256 8de87feab378f18f90c08befb0a72cb1de72d4e05073cd84181a673a8d253a6d
        • MD5 SHA1 SHA512 SSDEEP

        Rec.mui

        • Path C:\Users\Admin\AppData\Local\Temp\Rec.mui
        • Size 99KB
        • SHA256 10900d14eb9fb0ba4db759a4f0234b939b7bac8d8bb5f91840bbda3c839c6377
        • MD5 SHA1 SHA512 SSDEEP

        Regard

        • Path C:\Users\Admin\AppData\Local\Temp\Regard
        • Size 75KB
        • SHA256 c664fbf6ef5e59cc3cd0f27e38650fd92c40d8373e78fc45e39cf7e95e99df93
        • MD5 SHA1 SHA512 SSDEEP

        Resolutions.mui

        • Path C:\Users\Admin\AppData\Local\Temp\Resolutions.mui
        • Size 76KB
        • SHA256 5efc06d3427e5eecec438a2908e33367bd7647e6aa27677f8c12bf8b674b7436
        • MD5 SHA1 SHA512 SSDEEP

        Trips

        • Path C:\Users\Admin\AppData\Local\Temp\Trips
        • Size 95KB
        • SHA256 d350d23dce7a93d68ca2d27498be290a07484a613a782a467d07bf444803de54
        • MD5 SHA1 SHA512 SSDEEP

        memory/2292-423-0x0000000004290000-0x00000000042F2000-memory.dmp

        memory/2292-422-0x0000000004290000-0x00000000042F2000-memory.dmp

        memory/2292-424-0x0000000004290000-0x00000000042F2000-memory.dmp

        memory/2292-426-0x0000000004290000-0x00000000042F2000-memory.dmp

        memory/2292-425-0x0000000004290000-0x00000000042F2000-memory.dmp

        memory/2292-429-0x0000000004160000-0x0000000004166000-memory.dmp

        memory/2292-430-0x0000000004160000-0x0000000004166000-memory.dmp

        memory/2292-428-0x0000000004290000-0x00000000042F2000-memory.dmp