Analysis

  • max time kernel
    151s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 02:41

General

  • Target

    c8e4d34a4397fecd61c4949471b9b3dd67fa75d89c2815862d358c01a2cf3386.exe

  • Size

    840KB

  • MD5

    5dc112da48067b70f0cb192286354714

  • SHA1

    a298d7945554083de7c29145922f30e15d18ab7f

  • SHA256

    c8e4d34a4397fecd61c4949471b9b3dd67fa75d89c2815862d358c01a2cf3386

  • SHA512

    6d1db288699f91f0d63cc61ac1230c357711b91a1d42db72e745bde40a1f0cff7879446b76fa3bf841d0aa2ab18638f078e73af98b597c5613d4365f1eb40629

  • SSDEEP

    12288:cCpyvXFPTfnCvX66h/NYJ9nDW6FApNg3gZqdDUtOuBiMc/j6KRVrxn7Nl4+GtlrL:Bk9P7nCvX6MNYLIbgYJ3chra+GbrL

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 9 IoCs
  • UPX packed file 4 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 55 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 1 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8e4d34a4397fecd61c4949471b9b3dd67fa75d89c2815862d358c01a2cf3386.exe
    "C:\Users\Admin\AppData\Local\Temp\c8e4d34a4397fecd61c4949471b9b3dd67fa75d89c2815862d358c01a2cf3386.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Users\Admin\AppData\Local\Temp\c8e4d34a4397fecd61c4949471b9b3dd67fa75d89c2815862d358c01a2cf3386.exe
      "C:\Users\Admin\AppData\Local\Temp\c8e4d34a4397fecd61c4949471b9b3dd67fa75d89c2815862d358c01a2cf3386.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4864
      • 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:4724
        • C:\Users\Admin\hgqoib.exe
          "C:\Users\Admin\hgqoib.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
          PID:4244
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del d3WQGzd9.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4236
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:936
      • 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:980
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3952
      • 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:5000
        • C:\Users\Admin\bwhost.exe
          "C:\Users\Admin\bwhost.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1872
          • C:\Windows\explorer.exe
            000000D0*
            5⤵
              PID:4676
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -u -p 4676 -s 676
                6⤵
                • Program crash
                PID:1988
        • 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:4912
          • 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:3900
          • 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:4908
        • C:\Users\Admin\dwhost.exe
          C:\Users\Admin\dwhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2504
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del c8e4d34a4397fecd61c4949471b9b3dd67fa75d89c2815862d358c01a2cf3386.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:868
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4036
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 476 -p 4676 -ip 4676
      1⤵
        PID:4836

      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\hgqoib.exe

              Filesize

              364KB

              MD5

              2ba0d187dd029a947c6707b84040ea5f

              SHA1

              1746fc6c4fcf24734a185a007ec28c2d8832774e

              SHA256

              8f5a2ea47f02046fbf8c91d22cc3688a7fec7d2216c22cb7f78b2fbd1e5f7435

              SHA512

              fd448f6e384be32383ca049410c961b8c66b45131b85a4fc15546fc3392a329bc7198dd4b41896d2448749c104ec41dbcb0e72fe4012fdf15d75a539f5f38b2e

            • C:\Users\Admin\hgqoib.exe

              Filesize

              364KB

              MD5

              2ba0d187dd029a947c6707b84040ea5f

              SHA1

              1746fc6c4fcf24734a185a007ec28c2d8832774e

              SHA256

              8f5a2ea47f02046fbf8c91d22cc3688a7fec7d2216c22cb7f78b2fbd1e5f7435

              SHA512

              fd448f6e384be32383ca049410c961b8c66b45131b85a4fc15546fc3392a329bc7198dd4b41896d2448749c104ec41dbcb0e72fe4012fdf15d75a539f5f38b2e

            • memory/1872-171-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/1872-168-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/3900-182-0x00000000004E3000-0x00000000004FB000-memory.dmp

              Filesize

              96KB

            • memory/3900-181-0x0000000000400000-0x0000000000449000-memory.dmp

              Filesize

              292KB

            • memory/3952-161-0x0000000000400000-0x000000000040B000-memory.dmp

              Filesize

              44KB

            • memory/3952-160-0x0000000000400000-0x000000000040B000-memory.dmp

              Filesize

              44KB

            • memory/3952-158-0x0000000000400000-0x000000000040B000-memory.dmp

              Filesize

              44KB

            • memory/4676-173-0x0000000001080000-0x0000000001095000-memory.dmp

              Filesize

              84KB

            • memory/4864-196-0x0000000000400000-0x00000000004C4000-memory.dmp

              Filesize

              784KB

            • memory/4864-183-0x0000000000400000-0x00000000004C4000-memory.dmp

              Filesize

              784KB

            • memory/4864-135-0x0000000000400000-0x00000000004C4000-memory.dmp

              Filesize

              784KB

            • memory/4864-139-0x0000000000400000-0x00000000004C4000-memory.dmp

              Filesize

              784KB

            • memory/4908-188-0x0000000000400000-0x0000000000449000-memory.dmp

              Filesize

              292KB

            • memory/4908-189-0x00000000006E3000-0x00000000006FB000-memory.dmp

              Filesize

              96KB

            • memory/4912-178-0x0000000000611000-0x0000000000629000-memory.dmp

              Filesize

              96KB

            • memory/4912-185-0x0000000000611000-0x0000000000629000-memory.dmp

              Filesize

              96KB

            • memory/4912-184-0x0000000000400000-0x0000000000449000-memory.dmp

              Filesize

              292KB

            • memory/4912-177-0x0000000000400000-0x0000000000449000-memory.dmp

              Filesize

              292KB