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Resubmissions

02/04/2023, 07:26

230402-h9svnsfb86 8

02/04/2023, 07:25

230402-h8859sfb84 8

02/04/2023, 07:20

230402-h6jgtsfb69 8

Analysis

  • max time kernel
    117s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/04/2023, 07:25

General

  • Target

    https://download2391.mediafire.com/dwrifu0d8gngU1esXtH9eVSh1KCRcInDOWqTuzPxia5JviSSG4y4G0r5nZRgM5q6ZIvWFgwR9uIt89n4tNwmhEHZr6M8/edxrydvanz0j7ac/Win_Icon_Pack.exe

Score
8/10
upx

Malware Config

Signatures

  • Downloads MZ/PE file
  • UPX packed file 11 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

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

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" https://download2391.mediafire.com/dwrifu0d8gngU1esXtH9eVSh1KCRcInDOWqTuzPxia5JviSSG4y4G0r5nZRgM5q6ZIvWFgwR9uIt89n4tNwmhEHZr6M8/edxrydvanz0j7ac/Win_Icon_Pack.exe
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4376 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:4696
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\Win_Icon_Pack.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\Win_Icon_Pack.exe"
      2⤵
        PID:3108
        • C:\Program Files (x86)\Windows 10 Insider\iPack_Installer.exe
          "C:\Program Files (x86)\Windows 10 Insider\iPack_Installer.exe"
          3⤵
            PID:1428
            • C:\Program Files (x86)\Windows 10 Insider\7z.exe
              "C:\Program Files (x86)\Windows 10 Insider\7z.exe" x -y -bd "C:\Program Files (x86)\Windows 10 Insider\Resource.7z"
              4⤵
                PID:3128
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Temp_del_Windows 10 Insider.bat" "
                4⤵
                  PID:5092
                  • C:\Windows\system32\tasklist.exe
                    tasklist /FI "IMAGENAME eq iPack_Installer.exe"
                    5⤵
                    • Enumerates processes with tasklist
                    PID:3004
                  • C:\Windows\system32\find.exe
                    find /I /N "iPack_Installer.exe"
                    5⤵
                      PID:3320
                    • C:\Windows\system32\timeout.exe
                      timeout 2
                      5⤵
                      • Delays execution with timeout.exe
                      PID:3880

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Program Files (x86)\Windows 10 Insider\7z.exe

              Filesize

              148KB

              MD5

              f3d2f74e271da7fa59d9a4c860e6f338

              SHA1

              96e9fa8808fbe176494a624b4a7b5afc9306f93a

              SHA256

              d2c632a87f70039f8812f0bd5602379e288bfac237b0fce41cb5d8c757c70be3

              SHA512

              1553ba5d27ef59015ee4ff05e37d79a3da5d2257de193e61800f587917dbc5ba97e1d499448b41e370962b977570a4ea1c936e791d886e71384edaba39d5fe30

            • C:\Program Files (x86)\Windows 10 Insider\7z.exe

              Filesize

              148KB

              MD5

              f3d2f74e271da7fa59d9a4c860e6f338

              SHA1

              96e9fa8808fbe176494a624b4a7b5afc9306f93a

              SHA256

              d2c632a87f70039f8812f0bd5602379e288bfac237b0fce41cb5d8c757c70be3

              SHA512

              1553ba5d27ef59015ee4ff05e37d79a3da5d2257de193e61800f587917dbc5ba97e1d499448b41e370962b977570a4ea1c936e791d886e71384edaba39d5fe30

            • C:\Program Files (x86)\Windows 10 Insider\7z.exe

              Filesize

              148KB

              MD5

              f3d2f74e271da7fa59d9a4c860e6f338

              SHA1

              96e9fa8808fbe176494a624b4a7b5afc9306f93a

              SHA256

              d2c632a87f70039f8812f0bd5602379e288bfac237b0fce41cb5d8c757c70be3

              SHA512

              1553ba5d27ef59015ee4ff05e37d79a3da5d2257de193e61800f587917dbc5ba97e1d499448b41e370962b977570a4ea1c936e791d886e71384edaba39d5fe30

            • C:\Program Files (x86)\Windows 10 Insider\RESOUR~1\IMAGER~1.RES

              Filesize

              36.1MB

              MD5

              cdcf3c73452336ef09c2d6b149e00dc3

              SHA1

              50fef89141c4912e58ba8acf625b1274fd8129f8

              SHA256

              8015634f7a794831793baceea236a771d3edeaf1251be0beee67e03327692661

              SHA512

              1069e30ceaa4e098d3cc9b022a77a8ed2c4316c1d1394b729a01b9fbaed90d040d3138439c4cae1548f05be9270f2f9bea29f10f223f65ad4c1fdb861f95ef3f

            • C:\Program Files (x86)\Windows 10 Insider\RESOUR~1\IMAGES~1.RES

              Filesize

              1.7MB

              MD5

              ab90972d3cc7c7c7c1f8fc3b7f8d5383

              SHA1

              38114c82d6c66a48e535947233595219099aeec9

              SHA256

              7902fdb07422f1d526b5ee498f8bd3019a686be9c509b1fb63490f32b037e333

              SHA512

              d54c6c907bf747d593a0614e5bfe14db031ae95246a0bd519a09e19898de3fdb774345eeb90330ddc7c8faacc9e0509d45b8e3f8a111c0dbbade35684f157631

            • C:\Program Files (x86)\Windows 10 Insider\RESOUR~1\ZIPFLD~1.RES

              Filesize

              168KB

              MD5

              ed930685dbb865073b5c50d856b6431f

              SHA1

              a9374772c0b7a42dc0944462ba23e58a7e7867bd

              SHA256

              27c541db3bfd9bf68c3155b60f4d0008ecb32e80acca3fc4d9814976d0a94de3

              SHA512

              38a61b2c30d1881c335c49e03e7d3a4f8e6de671b9d8b65e5a62ff0d37c306989dfbb94785796fcc87c1423714901e4b058ebd81ee6fd820a028a6a69b2ad207

            • C:\Program Files (x86)\Windows 10 Insider\Resource.7z

              Filesize

              11.0MB

              MD5

              dab17c10540ea981f10b4748105a3d77

              SHA1

              a519f703f27e9b854e2abaa6547613851b107d68

              SHA256

              20ae9faeac4e7940a444728a349706822b22bde7194e228167cc0424cb861165

              SHA512

              4b45cc7f4ed50db62d829c0070da009611dc3838958e9365c51549f4d6111c83ec1aa399366c6fdb5f51fff644f1b8c686f5c49ca1e01daad0fe3ebc1f0ed91d

            • C:\Program Files (x86)\Windows 10 Insider\Resource.iPack

              Filesize

              11.0MB

              MD5

              c78e3a380550933edf0c910d164b2722

              SHA1

              c6c4245da1b27ecb559f547c76e3a9d97d4ad50c

              SHA256

              2418dfbdb9c97e90cf7eb63d249cef3c6efec5c183557ea131166baf5db1dc09

              SHA512

              2aa4fa14b0e4c4db3aa506398cb7d7470136df9d95869aa998f1b9ce42023d7763055821b65ec8eb97567e5c36baae42613a521f2dc5e4901eec2e71c484942d

            • C:\Program Files (x86)\Windows 10 Insider\SETUPF~1\header.png

              Filesize

              18KB

              MD5

              05881c368816adce83f69ebe8cdd1e66

              SHA1

              f96830c41d327e818c36662e1e08bee2b3fc30c7

              SHA256

              95debde2e09114ccb0838aaa2a35dba65061c87cd3430bc1a1e0f05d14d930a2

              SHA512

              28480acd811e0ef863b96aa141b5278f8ee16820c400359d70c6b2c8780f35a217c1e5f563aecbc6b4f80eddc399a3884835d1e63a03bc3a69c09d6cd26f573a

            • C:\Program Files (x86)\Windows 10 Insider\Setup files-iPack\Configuration.config

              Filesize

              249B

              MD5

              d02ca78c6eefd91f71c7a7622e796370

              SHA1

              fb6d069345127acba59038030083742d2236a3d1

              SHA256

              cece5ea9e14a2821ee8fbd6616f6f93f73e7641f4715bc24e8a4dbeaeff1ef81

              SHA512

              e82b4cd02ffd0199068292d9fdb57d70bef29bc33eaef5e327293268d14ce7cebb03997a8048e93c8bb4fe4b2d5096608c17ffdeab98d09b60771c84665f023d

            • C:\Program Files (x86)\Windows 10 Insider\Setup files-iPack\License.txt

              Filesize

              941B

              MD5

              a12a2d3a14e3a6dc6250bd7ab5e399c0

              SHA1

              a9eb44510c98d2a066875e4e09904f70333cf8b6

              SHA256

              7893df543413869f797b5733498b2027b2d69b4d3ec3bc998ba9c28e1b633e8d

              SHA512

              af79120051d625288b670d2dc97ed8dcac18410a5763e936c8410a7e752294bf1085cce84405093648204be07232fda38fcf89a1dce1f2fec94069304b626454

            • C:\Program Files (x86)\Windows 10 Insider\Setup files-iPack\logo.png

              Filesize

              21KB

              MD5

              21da3154a1bc6d1d582ba74191f6756e

              SHA1

              2e48ce7cc1c888d2525750200e6dd21c14b7f59c

              SHA256

              dea6f44854346692fc183119abed2de5848cadd47aa32d953a0b78ffa2a1868e

              SHA512

              eb169f932b0741803f8f8d6adfac3253f86f57e103e8512d4da53775cca0d344fab8a83313c9014464d581210131b27c2170d1b198a17318c1090239a860d7b6

            • C:\Program Files (x86)\Windows 10 Insider\iPack_Installer.exe

              Filesize

              988KB

              MD5

              028a0537a0f1ac78babb11d034d660cc

              SHA1

              6f0965382aab3b823c36b02a8be409be27cb09dc

              SHA256

              2cd7fabd158d1cd32de6063d03ca6aac3b3b1b877c64dffeed9c7255828d46b4

              SHA512

              1262ce416e62aa88c64ed01acb593786800487108d94ff48d2c2f69fba4f5cd8b66277a93954bb31911614cfff56eb9474ce992f4e176f4a215f010fdcdfd243

            • C:\Program Files (x86)\Windows 10 Insider\iPack_Installer.exe

              Filesize

              988KB

              MD5

              028a0537a0f1ac78babb11d034d660cc

              SHA1

              6f0965382aab3b823c36b02a8be409be27cb09dc

              SHA256

              2cd7fabd158d1cd32de6063d03ca6aac3b3b1b877c64dffeed9c7255828d46b4

              SHA512

              1262ce416e62aa88c64ed01acb593786800487108d94ff48d2c2f69fba4f5cd8b66277a93954bb31911614cfff56eb9474ce992f4e176f4a215f010fdcdfd243

            • C:\Program Files (x86)\Windows 10 Insider\iPack_Installer.exe

              Filesize

              988KB

              MD5

              028a0537a0f1ac78babb11d034d660cc

              SHA1

              6f0965382aab3b823c36b02a8be409be27cb09dc

              SHA256

              2cd7fabd158d1cd32de6063d03ca6aac3b3b1b877c64dffeed9c7255828d46b4

              SHA512

              1262ce416e62aa88c64ed01acb593786800487108d94ff48d2c2f69fba4f5cd8b66277a93954bb31911614cfff56eb9474ce992f4e176f4a215f010fdcdfd243

            • C:\Program Files (x86)\Windows 10 Insider\iPack_Installer.exe.config

              Filesize

              171B

              MD5

              cb143eef30f7ad481e715926b63928f4

              SHA1

              4bb8ae8914d07d475c4c5bbf97abfa8c60544e00

              SHA256

              6105a59eaa1401813a363239fb193a79179d3abc93abc4f65f180e60770b6e17

              SHA512

              e3067b72b255772a73d8ea4564e4874008fb52de9e18cfcdfda547408288826629f1f2ce7c0efb07b9528d34e0efd0635b91560df50f12edd4b5c19cef5af19d

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              471B

              MD5

              c5f20d91cc08608a86cdf45c1e06e8b5

              SHA1

              c0fce1c4a306dc0bf372ed0907cf8b7f4a2d4d37

              SHA256

              48506ee2253275198c9205a541e4fc2a20a31c359ad3206550a678d1cc267a95

              SHA512

              3f2a0dff529fab989e0afaf3c4c43f9d1f847f8569006f5afa3ea50245e364b363fd2d8b6c9dfa8837d8cf59c1a56ec41f03f0ff6acb82e5df9980c0be3e3da6

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

              Filesize

              434B

              MD5

              9a99b7b5e389b3af5927f3d43b72545b

              SHA1

              3d28129add48ebf09b5378f098c97809f37a8ad5

              SHA256

              63156a28a4a7f1df090fc4d6635d0c14584fc1b4d0efdd1671e10fda258d65d4

              SHA512

              4896aa5ef40564e5191854e17423aa82c18a382c1608e9c33fb4056cad8ea40be02bca37b79d1c73cd516fbb79979949dc37d20a6992c2353d0ab5ebda314e0e

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TUIJN6ZA\Win_Icon_Pack[1].exe

              Filesize

              11.9MB

              MD5

              31214ab9b12c4185a07da2331b2e09db

              SHA1

              8a6d6275c564c3098d4346f915b365f23ce16b8b

              SHA256

              f70bd9ffc1c5f7e0b55dcdfea45c15a2febd1709f1ef1d8b6d3d88f37755d2b3

              SHA512

              a649c7d9090682016fc2247b9072bf9f84bb2d56db8b83baa75c80a9ccf0debd9d324d4b4577c0b0f0c720e1375fdda20ad69edb4fe2cf212e36377d74d62868

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TUIJN6ZA\suggestions[1].en-US

              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\Win_Icon_Pack.exe

              Filesize

              11.9MB

              MD5

              31214ab9b12c4185a07da2331b2e09db

              SHA1

              8a6d6275c564c3098d4346f915b365f23ce16b8b

              SHA256

              f70bd9ffc1c5f7e0b55dcdfea45c15a2febd1709f1ef1d8b6d3d88f37755d2b3

              SHA512

              a649c7d9090682016fc2247b9072bf9f84bb2d56db8b83baa75c80a9ccf0debd9d324d4b4577c0b0f0c720e1375fdda20ad69edb4fe2cf212e36377d74d62868

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYL8D8JJ\Win_Icon_Pack.exe.qt6dzdb.partial

              Filesize

              11.9MB

              MD5

              31214ab9b12c4185a07da2331b2e09db

              SHA1

              8a6d6275c564c3098d4346f915b365f23ce16b8b

              SHA256

              f70bd9ffc1c5f7e0b55dcdfea45c15a2febd1709f1ef1d8b6d3d88f37755d2b3

              SHA512

              a649c7d9090682016fc2247b9072bf9f84bb2d56db8b83baa75c80a9ccf0debd9d324d4b4577c0b0f0c720e1375fdda20ad69edb4fe2cf212e36377d74d62868

            • C:\Users\Admin\AppData\Local\Temp\Temp_del_Windows 10 Insider.bat

              Filesize

              288B

              MD5

              907ef75e503f8243be0a05e7cf5d6220

              SHA1

              d2111aca8b50c636cd064244d0728eb8c0855102

              SHA256

              30369fd2aa831014676c03f84135bc7071d81cbed18672f7d738fbd0b0346d8a

              SHA512

              81df64bfb621b950a4ef3c5e13291a07bc09eda418dafff08270b10a899d17ad85ccd70155c5fbebad149ae9e191977ff893644dc8f23cb9a8a98c27a99b781f

            • memory/1428-195-0x00000000006E0000-0x00000000007DE000-memory.dmp

              Filesize

              1016KB

            • memory/1428-205-0x0000000001200000-0x0000000001210000-memory.dmp

              Filesize

              64KB

            • memory/1428-198-0x0000000001200000-0x0000000001210000-memory.dmp

              Filesize

              64KB

            • memory/1428-197-0x000000001BD40000-0x000000001C20E000-memory.dmp

              Filesize

              4.8MB

            • memory/1428-196-0x000000001B6D0000-0x000000001B776000-memory.dmp

              Filesize

              664KB

            • memory/1428-200-0x0000000001050000-0x0000000001058000-memory.dmp

              Filesize

              32KB

            • memory/1428-207-0x0000000001200000-0x0000000001210000-memory.dmp

              Filesize

              64KB

            • memory/1428-201-0x000000001C480000-0x000000001C4CC000-memory.dmp

              Filesize

              304KB

            • memory/1428-206-0x0000000001200000-0x0000000001210000-memory.dmp

              Filesize

              64KB

            • memory/1428-203-0x0000000001200000-0x0000000001210000-memory.dmp

              Filesize

              64KB

            • memory/1428-228-0x000000001FA50000-0x00000000210C7000-memory.dmp

              Filesize

              22.5MB

            • memory/1428-204-0x0000000001200000-0x0000000001210000-memory.dmp

              Filesize

              64KB

            • memory/1428-236-0x0000000001200000-0x0000000001210000-memory.dmp

              Filesize

              64KB

            • memory/1428-199-0x000000001C210000-0x000000001C2AC000-memory.dmp

              Filesize

              624KB

            • memory/1428-243-0x000000001FA50000-0x00000000210C7000-memory.dmp

              Filesize

              22.5MB

            • memory/3108-244-0x0000000000400000-0x0000000000453000-memory.dmp

              Filesize

              332KB

            • memory/3108-202-0x0000000000400000-0x0000000000453000-memory.dmp

              Filesize

              332KB

            • memory/3108-169-0x0000000000400000-0x0000000000453000-memory.dmp

              Filesize

              332KB

            • memory/3128-235-0x0000000000400000-0x000000000045A000-memory.dmp

              Filesize

              360KB

            • memory/3128-227-0x0000000000400000-0x000000000045A000-memory.dmp

              Filesize

              360KB