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Analysis

  • max time kernel
    167s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2022, 03:44

General

  • Target

    df999d74bf1052d031b84164e5029508528bb76feb7ec14caa6b92abd129f8a2.exe

  • Size

    840KB

  • MD5

    024ffc0a906b6ef8618e02c6349b1e61

  • SHA1

    eebb32abf9151f35345869181eb8ffb88f21fabe

  • SHA256

    df999d74bf1052d031b84164e5029508528bb76feb7ec14caa6b92abd129f8a2

  • SHA512

    00982b9809900bb2cc05592c5d03608c43823bab0f377766b476e248c0ff2716041fab3ae7c4c1a9d6527e0e483078207c15e47ec7c7fa0579372c0ee93d27d9

  • SSDEEP

    12288:gCpyvXFPTfnCvX66h/NYJ9nDW6FApNg3gZqdDUtOuBiMc/j6KRVrxn7Nl4+GtlrL:dk9P7nCvX6MNYLIbgYJ3chra+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 54 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df999d74bf1052d031b84164e5029508528bb76feb7ec14caa6b92abd129f8a2.exe
    "C:\Users\Admin\AppData\Local\Temp\df999d74bf1052d031b84164e5029508528bb76feb7ec14caa6b92abd129f8a2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\df999d74bf1052d031b84164e5029508528bb76feb7ec14caa6b92abd129f8a2.exe
      "C:\Users\Admin\AppData\Local\Temp\df999d74bf1052d031b84164e5029508528bb76feb7ec14caa6b92abd129f8a2.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1652
      • 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:4212
        • C:\Users\Admin\sioemof.exe
          "C:\Users\Admin\sioemof.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:3972
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del d3WQGzd9.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3924
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:5004
      • 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:5012
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
            PID:208
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 84
              5⤵
              • Program crash
              PID:4296
        • 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:4520
          • C:\Users\Admin\bwhost.exe
            "C:\Users\Admin\bwhost.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            PID:460
            • C:\Windows\explorer.exe
              000000D8*
              5⤵
                PID:4220
                • C:\Windows\system32\WerFault.exe
                  C:\Windows\system32\WerFault.exe -u -p 4220 -s 664
                  6⤵
                  • Program crash
                  PID:4460
          • 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
            PID:1484
            • 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:2256
            • 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:1400
          • C:\Users\Admin\dwhost.exe
            C:\Users\Admin\dwhost.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3436
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c tasklist&&del df999d74bf1052d031b84164e5029508528bb76feb7ec14caa6b92abd129f8a2.exe
            3⤵
              PID:2284
              • C:\Windows\SysWOW64\tasklist.exe
                tasklist
                4⤵
                • Enumerates processes with tasklist
                • Suspicious use of AdjustPrivilegeToken
                PID:1988
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 208 -ip 208
          1⤵
            PID:2984
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -pss -s 480 -p 4220 -ip 4220
            1⤵
              PID:2360

            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\sioemof.exe

              Filesize

              364KB

              MD5

              f1ecc169dc9e2334e780d948b7fb2e02

              SHA1

              1e563ae9346ddb4c3927a4a2c461ca028f94d336

              SHA256

              69220d7331af84a3b6a21908dbaac5acefcb56d80ccfdd24fbf804d3439b3fcd

              SHA512

              91bee1e37ba57b8b5540a7b66adb0d07f4787b54978f0d3d78d15db1203b342c7e4b2bedbf26a75e7c37c659818badd68579d9962d14de0e6efc10c0e1b0d237

            • C:\Users\Admin\sioemof.exe

              Filesize

              364KB

              MD5

              f1ecc169dc9e2334e780d948b7fb2e02

              SHA1

              1e563ae9346ddb4c3927a4a2c461ca028f94d336

              SHA256

              69220d7331af84a3b6a21908dbaac5acefcb56d80ccfdd24fbf804d3439b3fcd

              SHA512

              91bee1e37ba57b8b5540a7b66adb0d07f4787b54978f0d3d78d15db1203b342c7e4b2bedbf26a75e7c37c659818badd68579d9962d14de0e6efc10c0e1b0d237

            • memory/460-169-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/460-166-0x0000000000400000-0x000000000041B000-memory.dmp

              Filesize

              108KB

            • memory/1400-186-0x0000000000765000-0x000000000077D000-memory.dmp

              Filesize

              96KB

            • memory/1400-185-0x0000000000400000-0x0000000000449000-memory.dmp

              Filesize

              292KB

            • memory/1484-175-0x0000000000400000-0x0000000000449000-memory.dmp

              Filesize

              292KB

            • memory/1484-182-0x0000000000532000-0x000000000054A000-memory.dmp

              Filesize

              96KB

            • memory/1484-181-0x0000000000400000-0x0000000000449000-memory.dmp

              Filesize

              292KB

            • memory/1484-176-0x0000000000532000-0x000000000054A000-memory.dmp

              Filesize

              96KB

            • memory/1652-145-0x0000000000400000-0x00000000004C4000-memory.dmp

              Filesize

              784KB

            • memory/1652-193-0x0000000000400000-0x00000000004C4000-memory.dmp

              Filesize

              784KB

            • memory/1652-135-0x0000000000400000-0x00000000004C4000-memory.dmp

              Filesize

              784KB

            • memory/1652-139-0x0000000000400000-0x00000000004C4000-memory.dmp

              Filesize

              784KB

            • memory/2256-179-0x0000000000400000-0x0000000000449000-memory.dmp

              Filesize

              292KB

            • memory/2256-180-0x0000000000483000-0x000000000049B000-memory.dmp

              Filesize

              96KB

            • memory/4220-171-0x0000000000970000-0x0000000000985000-memory.dmp

              Filesize

              84KB