Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2023, 18:57

General

  • Target

    xetg34eh.exe

  • Size

    251KB

  • MD5

    e3e84667ea3c6d1481ec3923a6a9905c

  • SHA1

    0319e38af284ba627b97f342983ffdfd89377ccb

  • SHA256

    3678800df4ffa567faf3a3a2c6120ff599fa80b7d43ed7110366d8cdf09db20f

  • SHA512

    76ac19f42cf16c4d3038c21280ed834cf3f6fb64e425b1254387591073356956c4864b0afbdd18fdf9bf0eea83f00d45e22f54b7a3de1b7ccc63984f56b39bc2

  • SSDEEP

    6144:UsLqdufVUNDaiEesEx7fpRO7ype3+lrbtO:PFUNDaiEesEpfpDNw

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 11 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xetg34eh.exe
    "C:\Users\Admin\AppData\Local\Temp\xetg34eh.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2212
    • \??\c:\users\admin\appdata\local\temp\xetg34eh.exe 
      c:\users\admin\appdata\local\temp\xetg34eh.exe 
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 1492
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2732
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2356
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2552
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Windows directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2580
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visiblity of hidden/system files in Explorer
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1864
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:1992
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:59 /f
              6⤵
              • Creates scheduled task(s)
              PID:1796
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:00 /f
              6⤵
              • Creates scheduled task(s)
              PID:1400
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:01 /f
              6⤵
              • Creates scheduled task(s)
              PID:2564
        • C:\Windows\Explorer.exe
          C:\Windows\Explorer.exe
          4⤵
            PID:1020

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\xetg34eh.exe 

            Filesize

            116KB

            MD5

            8929c8901e38f2bc5927a515711ac25e

            SHA1

            d328e330ea81c1bbae65da519020163ecf499351

            SHA256

            2f91029e88dddf6ceb33a36df7b595a7e72e8cfe978dae17d400924230e9c956

            SHA512

            0a1ccbd2c8358906ee07a8c180d268db063446435a3600af49d8965fb9a2808e8de535b7d0ca9884a94e2aa403023d57b2ae8afa9646c7aab0ce4e3e48fdd511

          • C:\Windows\Resources\Themes\explorer.exe

            Filesize

            135KB

            MD5

            9364fb135046443df26ca0c835a5adab

            SHA1

            beb6f33f8719cf663e751044bfacd005d004c1a8

            SHA256

            4cfe1c11b44123a6b71651d2c701c5baf17d949c28416381d4341415a8b9decb

            SHA512

            41812cf2b58ace79565072a676dee7200155b164d94a1b8c8c858c2ea5a1987fdb41ebcbcf9f0ac7fcc94c323939e606aac677f99777f78755d8b89febe5fb9c

          • C:\Windows\Resources\Themes\explorer.exe

            Filesize

            135KB

            MD5

            9364fb135046443df26ca0c835a5adab

            SHA1

            beb6f33f8719cf663e751044bfacd005d004c1a8

            SHA256

            4cfe1c11b44123a6b71651d2c701c5baf17d949c28416381d4341415a8b9decb

            SHA512

            41812cf2b58ace79565072a676dee7200155b164d94a1b8c8c858c2ea5a1987fdb41ebcbcf9f0ac7fcc94c323939e606aac677f99777f78755d8b89febe5fb9c

          • C:\Windows\Resources\Themes\icsys.icn.exe

            Filesize

            135KB

            MD5

            cf6062e30d60e3e57f3b5e85d339f928

            SHA1

            d44468d7a924ee9100e428245685a6607082c623

            SHA256

            7c5c000894cc449443c498937fdb96ab718ea867bfda60f2fc067525f30a24b5

            SHA512

            8dc99721f644f3aebdae26b3af1ccc28a09f7620849c17b4034a3ad3cdd6c85bf7430552412675822a6abc81de8a672f51ada705a660d21b32e47efc277a5daa

          • C:\Windows\Resources\spoolsv.exe

            Filesize

            135KB

            MD5

            01cefc4f95b299ca286e34e1c81e4e92

            SHA1

            f6f2412680209e4e217950dca486cef090f84500

            SHA256

            22b1baa07a111b261fc988841e4b47699591d2208a7a53a953da278e0688f866

            SHA512

            04c735f51dd4d3c7afeae26df1fd124366ab7655e258f64aaf3289d1e2900dcadeda2e64f44b828aff3df4e82765324260304522a88abff8eb41e46b1cfab7f3

          • C:\Windows\Resources\spoolsv.exe

            Filesize

            135KB

            MD5

            01cefc4f95b299ca286e34e1c81e4e92

            SHA1

            f6f2412680209e4e217950dca486cef090f84500

            SHA256

            22b1baa07a111b261fc988841e4b47699591d2208a7a53a953da278e0688f866

            SHA512

            04c735f51dd4d3c7afeae26df1fd124366ab7655e258f64aaf3289d1e2900dcadeda2e64f44b828aff3df4e82765324260304522a88abff8eb41e46b1cfab7f3

          • C:\Windows\Resources\svchost.exe

            Filesize

            135KB

            MD5

            f309273ef06a9e27986bbc3ceff73813

            SHA1

            33e35ad04c436c27edff8e35a58426a9f8a2c52e

            SHA256

            07b66897e3a837240c287f7aaa5068108d202ce54ce197c734ba1019fbd94110

            SHA512

            fb05c4de0b9292444856666e868fbd9a1d6f3720e0a4d631db4fd65fc045cecce70e39e079c4dffabf3d7ca2e8350dc60ce058285a949f3914c3460e36583b13

          • \??\c:\users\admin\appdata\local\temp\xetg34eh.exe 

            Filesize

            116KB

            MD5

            8929c8901e38f2bc5927a515711ac25e

            SHA1

            d328e330ea81c1bbae65da519020163ecf499351

            SHA256

            2f91029e88dddf6ceb33a36df7b595a7e72e8cfe978dae17d400924230e9c956

            SHA512

            0a1ccbd2c8358906ee07a8c180d268db063446435a3600af49d8965fb9a2808e8de535b7d0ca9884a94e2aa403023d57b2ae8afa9646c7aab0ce4e3e48fdd511

          • \??\c:\windows\resources\spoolsv.exe

            Filesize

            135KB

            MD5

            01cefc4f95b299ca286e34e1c81e4e92

            SHA1

            f6f2412680209e4e217950dca486cef090f84500

            SHA256

            22b1baa07a111b261fc988841e4b47699591d2208a7a53a953da278e0688f866

            SHA512

            04c735f51dd4d3c7afeae26df1fd124366ab7655e258f64aaf3289d1e2900dcadeda2e64f44b828aff3df4e82765324260304522a88abff8eb41e46b1cfab7f3

          • \??\c:\windows\resources\svchost.exe

            Filesize

            135KB

            MD5

            f309273ef06a9e27986bbc3ceff73813

            SHA1

            33e35ad04c436c27edff8e35a58426a9f8a2c52e

            SHA256

            07b66897e3a837240c287f7aaa5068108d202ce54ce197c734ba1019fbd94110

            SHA512

            fb05c4de0b9292444856666e868fbd9a1d6f3720e0a4d631db4fd65fc045cecce70e39e079c4dffabf3d7ca2e8350dc60ce058285a949f3914c3460e36583b13

          • \??\c:\windows\resources\themes\explorer.exe

            Filesize

            135KB

            MD5

            9364fb135046443df26ca0c835a5adab

            SHA1

            beb6f33f8719cf663e751044bfacd005d004c1a8

            SHA256

            4cfe1c11b44123a6b71651d2c701c5baf17d949c28416381d4341415a8b9decb

            SHA512

            41812cf2b58ace79565072a676dee7200155b164d94a1b8c8c858c2ea5a1987fdb41ebcbcf9f0ac7fcc94c323939e606aac677f99777f78755d8b89febe5fb9c

          • \??\c:\windows\resources\themes\icsys.icn.exe

            Filesize

            135KB

            MD5

            cf6062e30d60e3e57f3b5e85d339f928

            SHA1

            d44468d7a924ee9100e428245685a6607082c623

            SHA256

            7c5c000894cc449443c498937fdb96ab718ea867bfda60f2fc067525f30a24b5

            SHA512

            8dc99721f644f3aebdae26b3af1ccc28a09f7620849c17b4034a3ad3cdd6c85bf7430552412675822a6abc81de8a672f51ada705a660d21b32e47efc277a5daa

          • \Users\Admin\AppData\Local\Temp\xetg34eh.exe 

            Filesize

            116KB

            MD5

            8929c8901e38f2bc5927a515711ac25e

            SHA1

            d328e330ea81c1bbae65da519020163ecf499351

            SHA256

            2f91029e88dddf6ceb33a36df7b595a7e72e8cfe978dae17d400924230e9c956

            SHA512

            0a1ccbd2c8358906ee07a8c180d268db063446435a3600af49d8965fb9a2808e8de535b7d0ca9884a94e2aa403023d57b2ae8afa9646c7aab0ce4e3e48fdd511

          • \Users\Admin\AppData\Local\Temp\xetg34eh.exe 

            Filesize

            116KB

            MD5

            8929c8901e38f2bc5927a515711ac25e

            SHA1

            d328e330ea81c1bbae65da519020163ecf499351

            SHA256

            2f91029e88dddf6ceb33a36df7b595a7e72e8cfe978dae17d400924230e9c956

            SHA512

            0a1ccbd2c8358906ee07a8c180d268db063446435a3600af49d8965fb9a2808e8de535b7d0ca9884a94e2aa403023d57b2ae8afa9646c7aab0ce4e3e48fdd511

          • \Users\Admin\AppData\Local\Temp\xetg34eh.exe 

            Filesize

            116KB

            MD5

            8929c8901e38f2bc5927a515711ac25e

            SHA1

            d328e330ea81c1bbae65da519020163ecf499351

            SHA256

            2f91029e88dddf6ceb33a36df7b595a7e72e8cfe978dae17d400924230e9c956

            SHA512

            0a1ccbd2c8358906ee07a8c180d268db063446435a3600af49d8965fb9a2808e8de535b7d0ca9884a94e2aa403023d57b2ae8afa9646c7aab0ce4e3e48fdd511

          • \Users\Admin\AppData\Local\Temp\xetg34eh.exe 

            Filesize

            116KB

            MD5

            8929c8901e38f2bc5927a515711ac25e

            SHA1

            d328e330ea81c1bbae65da519020163ecf499351

            SHA256

            2f91029e88dddf6ceb33a36df7b595a7e72e8cfe978dae17d400924230e9c956

            SHA512

            0a1ccbd2c8358906ee07a8c180d268db063446435a3600af49d8965fb9a2808e8de535b7d0ca9884a94e2aa403023d57b2ae8afa9646c7aab0ce4e3e48fdd511

          • \Users\Admin\AppData\Local\Temp\xetg34eh.exe 

            Filesize

            116KB

            MD5

            8929c8901e38f2bc5927a515711ac25e

            SHA1

            d328e330ea81c1bbae65da519020163ecf499351

            SHA256

            2f91029e88dddf6ceb33a36df7b595a7e72e8cfe978dae17d400924230e9c956

            SHA512

            0a1ccbd2c8358906ee07a8c180d268db063446435a3600af49d8965fb9a2808e8de535b7d0ca9884a94e2aa403023d57b2ae8afa9646c7aab0ce4e3e48fdd511

          • \Users\Admin\AppData\Local\Temp\xetg34eh.exe 

            Filesize

            116KB

            MD5

            8929c8901e38f2bc5927a515711ac25e

            SHA1

            d328e330ea81c1bbae65da519020163ecf499351

            SHA256

            2f91029e88dddf6ceb33a36df7b595a7e72e8cfe978dae17d400924230e9c956

            SHA512

            0a1ccbd2c8358906ee07a8c180d268db063446435a3600af49d8965fb9a2808e8de535b7d0ca9884a94e2aa403023d57b2ae8afa9646c7aab0ce4e3e48fdd511

          • \Windows\Resources\Themes\explorer.exe

            Filesize

            135KB

            MD5

            9364fb135046443df26ca0c835a5adab

            SHA1

            beb6f33f8719cf663e751044bfacd005d004c1a8

            SHA256

            4cfe1c11b44123a6b71651d2c701c5baf17d949c28416381d4341415a8b9decb

            SHA512

            41812cf2b58ace79565072a676dee7200155b164d94a1b8c8c858c2ea5a1987fdb41ebcbcf9f0ac7fcc94c323939e606aac677f99777f78755d8b89febe5fb9c

          • \Windows\Resources\Themes\icsys.icn.exe

            Filesize

            135KB

            MD5

            cf6062e30d60e3e57f3b5e85d339f928

            SHA1

            d44468d7a924ee9100e428245685a6607082c623

            SHA256

            7c5c000894cc449443c498937fdb96ab718ea867bfda60f2fc067525f30a24b5

            SHA512

            8dc99721f644f3aebdae26b3af1ccc28a09f7620849c17b4034a3ad3cdd6c85bf7430552412675822a6abc81de8a672f51ada705a660d21b32e47efc277a5daa

          • \Windows\Resources\spoolsv.exe

            Filesize

            135KB

            MD5

            01cefc4f95b299ca286e34e1c81e4e92

            SHA1

            f6f2412680209e4e217950dca486cef090f84500

            SHA256

            22b1baa07a111b261fc988841e4b47699591d2208a7a53a953da278e0688f866

            SHA512

            04c735f51dd4d3c7afeae26df1fd124366ab7655e258f64aaf3289d1e2900dcadeda2e64f44b828aff3df4e82765324260304522a88abff8eb41e46b1cfab7f3

          • \Windows\Resources\spoolsv.exe

            Filesize

            135KB

            MD5

            01cefc4f95b299ca286e34e1c81e4e92

            SHA1

            f6f2412680209e4e217950dca486cef090f84500

            SHA256

            22b1baa07a111b261fc988841e4b47699591d2208a7a53a953da278e0688f866

            SHA512

            04c735f51dd4d3c7afeae26df1fd124366ab7655e258f64aaf3289d1e2900dcadeda2e64f44b828aff3df4e82765324260304522a88abff8eb41e46b1cfab7f3

          • \Windows\Resources\svchost.exe

            Filesize

            135KB

            MD5

            f309273ef06a9e27986bbc3ceff73813

            SHA1

            33e35ad04c436c27edff8e35a58426a9f8a2c52e

            SHA256

            07b66897e3a837240c287f7aaa5068108d202ce54ce197c734ba1019fbd94110

            SHA512

            fb05c4de0b9292444856666e868fbd9a1d6f3720e0a4d631db4fd65fc045cecce70e39e079c4dffabf3d7ca2e8350dc60ce058285a949f3914c3460e36583b13

          • memory/1864-71-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB

          • memory/1864-62-0x0000000000290000-0x00000000002AF000-memory.dmp

            Filesize

            124KB

          • memory/1864-72-0x0000000000290000-0x00000000002AF000-memory.dmp

            Filesize

            124KB

          • memory/1992-66-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB

          • memory/2212-68-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB

          • memory/2212-0-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB

          • memory/2356-69-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB

          • memory/2356-32-0x0000000000270000-0x000000000028F000-memory.dmp

            Filesize

            124KB

          • memory/2444-12-0x00000000744E0000-0x0000000074BCE000-memory.dmp

            Filesize

            6.9MB

          • memory/2444-11-0x0000000000CA0000-0x0000000000CC4000-memory.dmp

            Filesize

            144KB

          • memory/2444-13-0x0000000004C90000-0x0000000004CD0000-memory.dmp

            Filesize

            256KB

          • memory/2444-35-0x0000000004C90000-0x0000000004CD0000-memory.dmp

            Filesize

            256KB

          • memory/2444-19-0x00000000744E0000-0x0000000074BCE000-memory.dmp

            Filesize

            6.9MB

          • memory/2552-70-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB

          • memory/2580-67-0x0000000000400000-0x000000000041F000-memory.dmp

            Filesize

            124KB