Analysis

  • max time kernel
    161s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 22:12

General

  • Target

    f2c89c3511c54f9a8a399c3403ab3ac86f7ff415827cdfe2944e8cff221f8486.exe

  • Size

    840KB

  • MD5

    5f6d152f03bdbd19a14dfdfc48492db8

  • SHA1

    cdae6bd9ce7e1793b5f0b02e394d006fa6a3f662

  • SHA256

    f2c89c3511c54f9a8a399c3403ab3ac86f7ff415827cdfe2944e8cff221f8486

  • SHA512

    3ec4215add8d8e345a4fead247b46c11e3c9c34438ff3bcb5b0a5418020b52da3eb84e7fc3a9ff2f8205f53cae59f1b67774a623639e6e87ca0d1548747ccf4b

  • SSDEEP

    12288:VCpyvXFPTfnCvX66h/NYJ9nDW6FApNg3gZqdDUtOuBiMc/j6KRVrxn7Nl4+GtlrL:Qk9P7nCvX6MNYLIbgYJ3chra+GbrL

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 9 IoCs
  • UPX packed file 3 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 56 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2c89c3511c54f9a8a399c3403ab3ac86f7ff415827cdfe2944e8cff221f8486.exe
    "C:\Users\Admin\AppData\Local\Temp\f2c89c3511c54f9a8a399c3403ab3ac86f7ff415827cdfe2944e8cff221f8486.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\f2c89c3511c54f9a8a399c3403ab3ac86f7ff415827cdfe2944e8cff221f8486.exe
      "C:\Users\Admin\AppData\Local\Temp\f2c89c3511c54f9a8a399c3403ab3ac86f7ff415827cdfe2944e8cff221f8486.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Users\Admin\d3WQGzd9.exe
        C:\Users\Admin\d3WQGzd9.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1964
        • C:\Users\Admin\qouquel.exe
          "C:\Users\Admin\qouquel.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4716
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del d3WQGzd9.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1160
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4088
      • C:\Users\Admin\awhost.exe
        C:\Users\Admin\awhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3868
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
            PID:4480
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 84
              5⤵
              • Program crash
              PID:1520
        • C:\Users\Admin\bwhost.exe
          C:\Users\Admin\bwhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:100
          • C:\Users\Admin\bwhost.exe
            "C:\Users\Admin\bwhost.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:644
            • C:\Windows\explorer.exe
              000000D0*
              5⤵
                PID:5052
                • C:\Windows\system32\WerFault.exe
                  C:\Windows\system32\WerFault.exe -u -p 5052 -s 672
                  6⤵
                  • Program crash
                  PID:4500
          • C:\Users\Admin\cwhost.exe
            C:\Users\Admin\cwhost.exe
            3⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in Program Files directory
            • Suspicious use of WriteProcessMemory
            PID:1248
            • C:\Users\Admin\cwhost.exe
              C:\Users\Admin\cwhost.exe startC:\Users\Admin\AppData\Roaming\conhost.exe%C:\Users\Admin\AppData\Roaming
              4⤵
              • Executes dropped EXE
              PID:764
            • C:\Users\Admin\cwhost.exe
              C:\Users\Admin\cwhost.exe startC:\Users\Admin\AppData\Local\Temp\dwm.exe%C:\Users\Admin\AppData\Local\Temp
              4⤵
              • Executes dropped EXE
              PID:4692
          • C:\Users\Admin\dwhost.exe
            C:\Users\Admin\dwhost.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2904
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c tasklist&&del f2c89c3511c54f9a8a399c3403ab3ac86f7ff415827cdfe2944e8cff221f8486.exe
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4600
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:1644
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4480 -ip 4480
        1⤵
          PID:4400
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -pss -s 536 -p 5052 -ip 5052
          1⤵
            PID:4888

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\awhost.exe

            Filesize

            68KB

            MD5

            b0406fa1f1b4a471ce4c1521708d1ef3

            SHA1

            bd2bb68d92c8b6af7604d52e336152bc48ea1227

            SHA256

            ef2abd7d609bba1f141b3e1dc6a79d937fe68e37d51b093fc29e0d800bf6fa29

            SHA512

            07bec70b25b083919a91de4930842ba8b264e869d0251134cbfecbc9227be704c70600c9db878eee08f7d1fa1df6c848577b632f810b014d62ace26b961bb2cc

          • C:\Users\Admin\awhost.exe

            Filesize

            68KB

            MD5

            b0406fa1f1b4a471ce4c1521708d1ef3

            SHA1

            bd2bb68d92c8b6af7604d52e336152bc48ea1227

            SHA256

            ef2abd7d609bba1f141b3e1dc6a79d937fe68e37d51b093fc29e0d800bf6fa29

            SHA512

            07bec70b25b083919a91de4930842ba8b264e869d0251134cbfecbc9227be704c70600c9db878eee08f7d1fa1df6c848577b632f810b014d62ace26b961bb2cc

          • C:\Users\Admin\bwhost.exe

            Filesize

            136KB

            MD5

            acaf206a193335d7983a46a8c9e18fea

            SHA1

            3a33b8148c23887c2b9edc2d0dbec3d83398069b

            SHA256

            8aa2fb2e061fc4a30160f912db3f1ea75189d16d922f82aba6538e92c4df47ca

            SHA512

            846622efa83273ce9f40f38953077eca4a6f064923a8cf9b202d19cac9fac4c8e58007f2531fafafb6b408787d0ed23a3349b49794d0311736efa35bba6fba10

          • C:\Users\Admin\bwhost.exe

            Filesize

            136KB

            MD5

            acaf206a193335d7983a46a8c9e18fea

            SHA1

            3a33b8148c23887c2b9edc2d0dbec3d83398069b

            SHA256

            8aa2fb2e061fc4a30160f912db3f1ea75189d16d922f82aba6538e92c4df47ca

            SHA512

            846622efa83273ce9f40f38953077eca4a6f064923a8cf9b202d19cac9fac4c8e58007f2531fafafb6b408787d0ed23a3349b49794d0311736efa35bba6fba10

          • C:\Users\Admin\bwhost.exe

            Filesize

            136KB

            MD5

            acaf206a193335d7983a46a8c9e18fea

            SHA1

            3a33b8148c23887c2b9edc2d0dbec3d83398069b

            SHA256

            8aa2fb2e061fc4a30160f912db3f1ea75189d16d922f82aba6538e92c4df47ca

            SHA512

            846622efa83273ce9f40f38953077eca4a6f064923a8cf9b202d19cac9fac4c8e58007f2531fafafb6b408787d0ed23a3349b49794d0311736efa35bba6fba10

          • C:\Users\Admin\cwhost.exe

            Filesize

            170KB

            MD5

            40d9607cb66da11b9adfec5b93b8b311

            SHA1

            55bf463cd5c0c90ba92935ef81ae47ab3bc5fea6

            SHA256

            033e60eebb966b3bcfbe27fa3e99e8f393970f320b5cc25cb16517869eb5f3e6

            SHA512

            e764053de1c2444e61e638e67e91cf7d9d968df4d60b8bcc3f5ddfc317edb1f14e950d096d451fa372a699fc886125066f4e2f2de171641433ce1e066aa58078

          • C:\Users\Admin\cwhost.exe

            Filesize

            170KB

            MD5

            40d9607cb66da11b9adfec5b93b8b311

            SHA1

            55bf463cd5c0c90ba92935ef81ae47ab3bc5fea6

            SHA256

            033e60eebb966b3bcfbe27fa3e99e8f393970f320b5cc25cb16517869eb5f3e6

            SHA512

            e764053de1c2444e61e638e67e91cf7d9d968df4d60b8bcc3f5ddfc317edb1f14e950d096d451fa372a699fc886125066f4e2f2de171641433ce1e066aa58078

          • C:\Users\Admin\cwhost.exe

            Filesize

            170KB

            MD5

            40d9607cb66da11b9adfec5b93b8b311

            SHA1

            55bf463cd5c0c90ba92935ef81ae47ab3bc5fea6

            SHA256

            033e60eebb966b3bcfbe27fa3e99e8f393970f320b5cc25cb16517869eb5f3e6

            SHA512

            e764053de1c2444e61e638e67e91cf7d9d968df4d60b8bcc3f5ddfc317edb1f14e950d096d451fa372a699fc886125066f4e2f2de171641433ce1e066aa58078

          • C:\Users\Admin\cwhost.exe

            Filesize

            170KB

            MD5

            40d9607cb66da11b9adfec5b93b8b311

            SHA1

            55bf463cd5c0c90ba92935ef81ae47ab3bc5fea6

            SHA256

            033e60eebb966b3bcfbe27fa3e99e8f393970f320b5cc25cb16517869eb5f3e6

            SHA512

            e764053de1c2444e61e638e67e91cf7d9d968df4d60b8bcc3f5ddfc317edb1f14e950d096d451fa372a699fc886125066f4e2f2de171641433ce1e066aa58078

          • C:\Users\Admin\d3WQGzd9.exe

            Filesize

            364KB

            MD5

            db406d87e556a0008c18429ecf3cc93a

            SHA1

            3a1b7a87080bf1d78fca904bd7515833bbd380e8

            SHA256

            2712b4f742a53c7d4b9a55c8f760447a26925c10a3ca6c10b84dea49482a2768

            SHA512

            e0da870b0c8f8955277b9227ef3de2b4d3e45d37986ac9a9b445e24506f265020f071365a2135b1e2892aaa64c3b7477d6c4a57598f3601655d74d92d6222354

          • C:\Users\Admin\d3WQGzd9.exe

            Filesize

            364KB

            MD5

            db406d87e556a0008c18429ecf3cc93a

            SHA1

            3a1b7a87080bf1d78fca904bd7515833bbd380e8

            SHA256

            2712b4f742a53c7d4b9a55c8f760447a26925c10a3ca6c10b84dea49482a2768

            SHA512

            e0da870b0c8f8955277b9227ef3de2b4d3e45d37986ac9a9b445e24506f265020f071365a2135b1e2892aaa64c3b7477d6c4a57598f3601655d74d92d6222354

          • C:\Users\Admin\dwhost.exe

            Filesize

            24KB

            MD5

            aaa893d374547f20f7fdd7c3b6c56b36

            SHA1

            f7aab7bd60af5e948b71abcccbcfb1d62f6580ff

            SHA256

            17c950477ffd3e28c4135c4cc5711589415129c7b21c4af1e89deaf68f043d03

            SHA512

            491b88e809425dd20dc9052fe45ab101ccb803c186a27d6502bf1cbefa8d903d51f72c02e604ec346f77b85c4324daa036341a42fcba0a96e5c69781ebfecb31

          • C:\Users\Admin\dwhost.exe

            Filesize

            24KB

            MD5

            aaa893d374547f20f7fdd7c3b6c56b36

            SHA1

            f7aab7bd60af5e948b71abcccbcfb1d62f6580ff

            SHA256

            17c950477ffd3e28c4135c4cc5711589415129c7b21c4af1e89deaf68f043d03

            SHA512

            491b88e809425dd20dc9052fe45ab101ccb803c186a27d6502bf1cbefa8d903d51f72c02e604ec346f77b85c4324daa036341a42fcba0a96e5c69781ebfecb31

          • C:\Users\Admin\qouquel.exe

            Filesize

            364KB

            MD5

            e8650fc7aeefab6dff0cd6160e45df2b

            SHA1

            f37e2b13044ee8a78580967b13d5a0de4edfbe3e

            SHA256

            4ba713e4ab65953413c3d7efe7fe44f4b06bc02abb9818df1d53507f89504259

            SHA512

            c5be7aaf97b3cbf70c95843f0a03ccf64ef52d4ee06bc5fe8b0e65a6a9500544cdcfb85ea9a792fefc7dbc04cb078a7ed09e26ad0a53aaad63725352713064af

          • C:\Users\Admin\qouquel.exe

            Filesize

            364KB

            MD5

            e8650fc7aeefab6dff0cd6160e45df2b

            SHA1

            f37e2b13044ee8a78580967b13d5a0de4edfbe3e

            SHA256

            4ba713e4ab65953413c3d7efe7fe44f4b06bc02abb9818df1d53507f89504259

            SHA512

            c5be7aaf97b3cbf70c95843f0a03ccf64ef52d4ee06bc5fe8b0e65a6a9500544cdcfb85ea9a792fefc7dbc04cb078a7ed09e26ad0a53aaad63725352713064af

          • memory/644-169-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/644-166-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/764-177-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1248-178-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1248-183-0x00000000004D1000-0x00000000004E9000-memory.dmp

            Filesize

            96KB

          • memory/1248-179-0x00000000004D1000-0x00000000004E9000-memory.dmp

            Filesize

            96KB

          • memory/2032-190-0x0000000000400000-0x00000000004C4000-memory.dmp

            Filesize

            784KB

          • memory/2032-138-0x0000000000400000-0x00000000004C4000-memory.dmp

            Filesize

            784KB

          • memory/2032-135-0x0000000000400000-0x00000000004C4000-memory.dmp

            Filesize

            784KB

          • memory/2032-145-0x0000000000400000-0x00000000004C4000-memory.dmp

            Filesize

            784KB

          • memory/4692-182-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/5052-174-0x00000000007C0000-0x00000000007D5000-memory.dmp

            Filesize

            84KB