Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 07:28

General

  • Target

    msit.msi

  • Size

    16.1MB

  • MD5

    18577f68754f3e2703cdca2df9ba65ff

  • SHA1

    8d8846470510b1b6f81c0725975c7c3589568bb3

  • SHA256

    413c17f73a0831d6ae209e491856a66e07e8c0af70e7e06f68a7b7570ccb3a95

  • SHA512

    eb238a258b0dfe40716c2a8bc847951abbac4e7224ecefcb13be559a63cc39e6645e406764991cb60b87aa082196b890ff78c3c25c659b851eb02c4064e8eaec

  • SSDEEP

    393216:LPF3zv8Zrqb+CUuubX26jytnTPjnXcBv9k2VvOTp:JzwqNUHytvnMd9Z

Malware Config

Extracted

Family

lumma

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 14 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\msit.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1700
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Loads dropped DLL
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DB03868180ADCEFC29564652E929DBB4
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2096
    • C:\Windows\Installer\MSI7CB4.tmp
      "C:\Windows\Installer\MSI7CB4.tmp"
      2⤵
      • Suspicious use of SetThreadContext
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Windows\SysWOW64\dxdiag.exe
        "C:\Windows\SysWOW64\dxdiag.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1320
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2748 -s 564
      2⤵
        PID:2880
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1608
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000038C" "00000000000005D4"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      PID:2332

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Config.Msi\f765f72.rbs

      Filesize

      863B

      MD5

      a8dd4e77bf5bc9370d93359574c7dd17

      SHA1

      d381f82a72d66ffcbacf0782d8776666be43c754

      SHA256

      ee23cb160b69b6c429561bb831e7dd0b88497bd7f90df5037057fa8a908e5653

      SHA512

      0e7b9966379cc48055b4dad04b279c62b8eb3b76ac52f47157ac8c3d21b25dbf26608aef4b9149a3e26eb35a76cb796c60d3f8dbca7d409e356dc7745c318d69

    • C:\Users\Admin\AppData\Local\Temp\CabB4D0.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarB4F2.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • C:\Windows\Installer\MSI5F9D.tmp

      Filesize

      997KB

      MD5

      ec6ebf65fe4f361a73e473f46730e05c

      SHA1

      01f946dfbf773f977af5ade7c27fffc7fe311149

      SHA256

      d3614d7bece53e0d408e31da7d9b0ff2f7285a7dd544c778847ed0c5ded5d52f

      SHA512

      e4d7aafa75d07a3071d2739d18b4c2b0a3798f754b339c349db9a6004d031bf02f3970b030cec4a5f55b4c19f03794b0ce186a303d936c222e7e6e8726fffff7

    • C:\Windows\Installer\MSI6125.tmp

      Filesize

      1.1MB

      MD5

      03cc8828bb0e0105915b7695b1ec8d88

      SHA1

      cbf8ec531ea7e3ee58b51bd642f8bfabdc759ee1

      SHA256

      0e1491ae7344f3a5ec824732648ccdda19b271d6f01471793bf292840fc83b5e

      SHA512

      593a76166eb6ce2e3537b0d93e216daef12e4ab5b181a194b55a90b39a1af2e0374c4ec3833a000530425319a003cd1a648489640fccaf108061ebea1d9cb1e7

    • \Windows\Installer\MSI7CB4.tmp

      Filesize

      12.5MB

      MD5

      4d82074854750fdba89d76624cc1e6f6

      SHA1

      1cab8150956317418f64e67692072cac8472b75b

      SHA256

      019cf1aad1f8d4f1b5dae3aa609b2b53cffc3c7894b58b9f0b225868aed7342d

      SHA512

      068bd8c1db17c4def612618d463239f002e8f4712691a8fc9163215bdaa7bc5306aa861c396438c647e7b839c2c67c5709b25e0695e1baa668aa100310255f9d

    • memory/1320-52-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1320-48-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1320-46-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1320-44-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1320-42-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1320-40-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1320-38-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1320-51-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/1320-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB