Analysis

  • max time kernel
    190s
  • max time network
    220s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/03/2023, 16:41

General

  • Target

    https://mega.nz/file/YI9CUBIZ#MHFNag3A-w9kWp97ee_KFFjsStLR7JIaNCf6Kh3VFFI

Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 37 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" https://mega.nz/file/YI9CUBIZ#MHFNag3A-w9kWp97ee_KFFjsStLR7JIaNCf6Kh3VFFI
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2636 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:3896
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3632.0.261425215\131335305" -parentBuildID 20221007134813 -prefsHandle 1692 -prefMapHandle 1680 -prefsLen 17556 -prefMapSize 230321 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4b203141-663f-404e-b354-ae5e7fc0ab4b} 3632 "\\.\pipe\gecko-crash-server-pipe.3632" 1816 19c850f9458 gpu
      2⤵
        PID:1768
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3632.1.1666456343\1224444639" -parentBuildID 20221007134813 -prefsHandle 1980 -prefMapHandle 1968 -prefsLen 17556 -prefMapSize 230321 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3fdc30ce-ebef-49d9-971c-3b148d530321} 3632 "\\.\pipe\gecko-crash-server-pipe.3632" 2004 19c85654c58 socket
        2⤵
          PID:1868
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4100.0.1249037281\2097016885" -parentBuildID 20221007134813 -prefsHandle 1824 -prefMapHandle 1816 -prefsLen 20890 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a45d18be-f76b-4309-8fac-0cd6f483d81e} 4100 "\\.\pipe\gecko-crash-server-pipe.4100" 1904 25b6f4a4858 gpu
        1⤵
          PID:3820
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4100.1.900616103\871953815" -parentBuildID 20221007134813 -prefsHandle 2292 -prefMapHandle 2260 -prefsLen 20926 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {071a6b51-5f92-4165-ba35-18854735f531} 4100 "\\.\pipe\gecko-crash-server-pipe.4100" 2304 25b61272b58 socket
          1⤵
            PID:1672
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4100.2.732108182\875577963" -childID 1 -isForBrowser -prefsHandle 3064 -prefMapHandle 3408 -prefsLen 21009 -prefMapSize 232675 -jsInitHandle 1444 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {68b6a500-fc1e-4afc-a252-9925dcc8fcd0} 4100 "\\.\pipe\gecko-crash-server-pipe.4100" 3416 25b71d98258 tab
            1⤵
              PID:2516
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4100.3.349086496\366885318" -childID 2 -isForBrowser -prefsHandle 3568 -prefMapHandle 2884 -prefsLen 21115 -prefMapSize 232675 -jsInitHandle 1444 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {56e2e412-e608-4c85-afee-8c5a775447fd} 4100 "\\.\pipe\gecko-crash-server-pipe.4100" 3576 25b71c58258 tab
              1⤵
                PID:1892
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4100.4.1092567346\1219713287" -childID 3 -isForBrowser -prefsHandle 3304 -prefMapHandle 3292 -prefsLen 21115 -prefMapSize 232675 -jsInitHandle 1444 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {32c7a7e6-f37e-4b6b-96e8-9aba68247aeb} 4100 "\\.\pipe\gecko-crash-server-pipe.4100" 2928 25b71c58858 tab
                1⤵
                  PID:4240
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4100.5.142017784\152496696" -childID 4 -isForBrowser -prefsHandle 3884 -prefMapHandle 3888 -prefsLen 21115 -prefMapSize 232675 -jsInitHandle 1444 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6c778016-75c3-464b-b7b5-da9fbd62c1b1} 4100 "\\.\pipe\gecko-crash-server-pipe.4100" 3872 25b71d98b58 tab
                  1⤵
                    PID:2268

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver604B.tmp

                          Filesize

                          15KB

                          MD5

                          1a545d0052b581fbb2ab4c52133846bc

                          SHA1

                          62f3266a9b9925cd6d98658b92adec673cbe3dd3

                          SHA256

                          557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

                          SHA512

                          bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

                        • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\cz9baam\imagestore.dat

                          Filesize

                          6KB

                          MD5

                          13a015dd8016f70c95d8432a40dd0614

                          SHA1

                          e6e96eacdb28332a560fffd5bb4d5fa9252671dd

                          SHA256

                          45bee83a28efdaeaf5dd557e04b695a681cbbabec6cf530376ce122dc6b54ba5

                          SHA512

                          46f48e5c1ac881b26e7ba980a172855204f3ab2cd1632def3c9dc8aec2404e82854e9f070a94f8723ed6afff8f80c0d8782b471764c3b7a523625f6ca33fa423

                        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GPVLIKPI\suggestions[1].en-US

                          Filesize

                          17KB

                          MD5

                          5a34cb996293fde2cb7a4ac89587393a

                          SHA1

                          3c96c993500690d1a77873cd62bc639b3a10653f

                          SHA256

                          c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                          SHA512

                          e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RP56V4OA\favicon[1].ico

                          Filesize

                          6KB

                          MD5

                          72f13fa5f987ea923a68a818d38fb540

                          SHA1

                          f014620d35787fcfdef193c20bb383f5655b9e1e

                          SHA256

                          37127c1a29c164cdaa75ec72ae685094c2468fe0577f743cb1f307d23dd35ec1

                          SHA512

                          b66af0b6b95560c20584ed033547235d5188981a092131a7c1749926ba1ac208266193bd7fa8a3403a39eee23fcdd53580e9533803d7f52df5fb01d508e292b3