Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/02/2025, 03:44

General

  • Target
    f4162f8436456a522c5036498d31aa30047da021fa1b56933ffb26f0ca59161e.msi
  • Size 2.0MB
  • Sample250218-eavy7syjz9
  • SHA256 f4162f8436456a522c5036498d31aa30047da021fa1b56933ffb26f0ca59161e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • metastealer

C2
  • kagkimuoakomksww.xyz

  • cwikwiiisuyqymso.xyz

  • qgimwqowkmuicoos.xyz

  • kuueskmwqmwoocuq.xyz

  • eaeueussigokssqg.xyz

  • eoyqkgcyoesysssk.xyz

  • ocmmqamiyucswwik.xyz

  • eimemucysaammomg.xyz

  • iwomsoekyisuymws.xyz

  • mqykiccmwokeumes.xyz

  • iqqcgqqseysecuum.xyz

  • iqmoyikmqymsmcwm.xyz

  • aseuqoqgaueaymyo.xyz

  • wycuamkomemmigmy.xyz

  • ceiyeqaoscmsamim.xyz

  • skcqkaykccckqyam.xyz

  • kaycmqwocuyyuqyg.xyz

  • mqssyaeoeeucegqy.xyz

  • ywqamawcqumaqiyq.xyz

  • skscsegicyqikqww.xyz

Attributes
  • dga_seed

    12914

  • domain_length

    16

  • num_dga_domains

    10000

  • port

    443

Signatures

  • Meta Stealer

    Meta Stealer steals passwords stored in browsers, written in C++.

  • MetaStealer payload 1 IoCs
  • Metastealer family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Modifies file permissions 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 30 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\f4162f8436456a522c5036498d31aa30047da021fa1b56933ffb26f0ca59161e.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1228
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 2EF1711C4E344251FC17A449B15EDCA1
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-c3dc5a51-03f7-436d-bb40-ee3e548cfb9e\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2004
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:1092
      • C:\Users\Admin\AppData\Local\Temp\MW-c3dc5a51-03f7-436d-bb40-ee3e548cfb9e\files\setup8812.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-c3dc5a51-03f7-436d-bb40-ee3e548cfb9e\files\setup8812.exe" /VERYSILENT /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2572
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Microsoft\Windows\search.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1628
        • C:\Windows\SysWOW64\systeminfo.exe
          systeminfo
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:1336
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2964
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005CC" "00000000000004DC"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:3048

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        files.cab

        • Path C:\Users\Admin\AppData\Local\Temp\MW-c3dc5a51-03f7-436d-bb40-ee3e548cfb9e\files.cab
        • Size 1.7MB
        • SHA256 4015e1013aa8a1a0379b265bd97dc3cbb21afa91a568c0128e4b3d03d0945e0a
        • MD5 SHA1 SHA512 SSDEEP

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-c3dc5a51-03f7-436d-bb40-ee3e548cfb9e\msiwrapper.ini
        • Size 1KB
        • SHA256 fe0cb69e4926b052b0330186099d10f654e1ede9382c7b627264503a961f7038
        • MD5 SHA1 SHA512

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-c3dc5a51-03f7-436d-bb40-ee3e548cfb9e\msiwrapper.ini
        • Size 1KB
        • SHA256 c9ac647b95af0051ca8fee928af95c793aaae4e7ae8c81ecc448a0902f85d74f
        • MD5 SHA1 SHA512

        MSI59C4.tmp

        • Path C:\Windows\Installer\MSI59C4.tmp
        • Size 208KB
        • SHA256 fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1
        • MD5 SHA1 SHA512 SSDEEP

        memory/2572-83-0x0000000010000000-0x0000000010738000-memory.dmp