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Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 16:00

General

  • Target

    1d84e8f21ed6460ddd8a69811d481eed48d27c5dc934c63d22f5f6d8167c130b.exe

  • Size

    646KB

  • MD5

    016cc5c921eb0d1101395025d7c0c505

  • SHA1

    98b47c84aea06e1443c396eb1b7d33e331ca6749

  • SHA256

    1d84e8f21ed6460ddd8a69811d481eed48d27c5dc934c63d22f5f6d8167c130b

  • SHA512

    31d4bdba2d2ca5c7ba12b8e4db1c9d8ba9bb4ce600aa1c84968f85186f0b44eea74f7c606e620f70137498c9f018102094a8f216eb9bb18b1040064a085aec5c

  • SSDEEP

    12288:k/dr9yql7Xa+mO0FKUDTtMi1NzW/DaRMvNXx265syu4MrZ:kl8qNKyUdMONUzeosyu4M

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 7 IoCs
  • UPX packed file 6 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 42 IoCs
  • Suspicious use of SetThreadContext 3 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d84e8f21ed6460ddd8a69811d481eed48d27c5dc934c63d22f5f6d8167c130b.exe
    "C:\Users\Admin\AppData\Local\Temp\1d84e8f21ed6460ddd8a69811d481eed48d27c5dc934c63d22f5f6d8167c130b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Users\Admin\AppData\Local\Temp\1d84e8f21ed6460ddd8a69811d481eed48d27c5dc934c63d22f5f6d8167c130b.exe
      1d84e8f21ed6460ddd8a69811d481eed48d27c5dc934c63d22f5f6d8167c130b.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Users\Admin\g6NuH2.exe
        C:\Users\Admin\g6NuH2.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:1760
        • C:\Users\Admin\tieepik.exe
          "C:\Users\Admin\tieepik.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:4192
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del g6NuH2.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1156
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3292
      • C:\Users\Admin\adhost.exe
        C:\Users\Admin\adhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4596
        • C:\Users\Admin\adhost.exe
          adhost.exe
          4⤵
          • Executes dropped EXE
          PID:4804
      • C:\Users\Admin\bdhost.exe
        C:\Users\Admin\bdhost.exe
        3⤵
        • Executes dropped EXE
        PID:4384
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 332
          4⤵
          • Program crash
          PID:3992
      • C:\Users\Admin\cdhost.exe
        C:\Users\Admin\cdhost.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1712
        • C:\Windows\explorer.exe
          00000120*
          4⤵
            PID:1480
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -u -p 1480 -s 124
              5⤵
              • Program crash
              PID:2692
        • C:\Users\Admin\ddhost.exe
          C:\Users\Admin\ddhost.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:3788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4384 -ip 4384
      1⤵
        PID:4288
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -pss -s 460 -p 1480 -ip 1480
        1⤵
          PID:2444

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\adhost.exe

          Filesize

          172KB

          MD5

          36fa3dbb1702552896cc677b5bda52dc

          SHA1

          c87f2707913047dcd2a896896fe2905b08c33985

          SHA256

          e8a3a99554c8aea64d2afa291655795896fbc14d053d3d29178c3536eee39f74

          SHA512

          9ace90bd8e81b507d2db75a493554b4a676730271883976033e4025dc6d19250070b6fd8825905e2aeea213bfc271e5d2c43a2eeca86bce0b3db497801731c53

        • C:\Users\Admin\adhost.exe

          Filesize

          172KB

          MD5

          36fa3dbb1702552896cc677b5bda52dc

          SHA1

          c87f2707913047dcd2a896896fe2905b08c33985

          SHA256

          e8a3a99554c8aea64d2afa291655795896fbc14d053d3d29178c3536eee39f74

          SHA512

          9ace90bd8e81b507d2db75a493554b4a676730271883976033e4025dc6d19250070b6fd8825905e2aeea213bfc271e5d2c43a2eeca86bce0b3db497801731c53

        • C:\Users\Admin\adhost.exe

          Filesize

          172KB

          MD5

          36fa3dbb1702552896cc677b5bda52dc

          SHA1

          c87f2707913047dcd2a896896fe2905b08c33985

          SHA256

          e8a3a99554c8aea64d2afa291655795896fbc14d053d3d29178c3536eee39f74

          SHA512

          9ace90bd8e81b507d2db75a493554b4a676730271883976033e4025dc6d19250070b6fd8825905e2aeea213bfc271e5d2c43a2eeca86bce0b3db497801731c53

        • C:\Users\Admin\bdhost.exe

          Filesize

          174KB

          MD5

          f3e286f3fc9467d3b9e56d41038b17d5

          SHA1

          3653c381586b01016a56de58d59300e431368162

          SHA256

          ec735fb26d310b803d6c4370b7cdd2a4e0f100dc442d0545f3742b3b48da5f3f

          SHA512

          0ba3b50c8dbce8da4f3a312a8f57375b102dcc7348485300b1d65fec3b6f55f62eb54e8252ddd4d73620442813731f7bfceb84c122c07a778afde76d8a642e2d

        • C:\Users\Admin\bdhost.exe

          Filesize

          174KB

          MD5

          f3e286f3fc9467d3b9e56d41038b17d5

          SHA1

          3653c381586b01016a56de58d59300e431368162

          SHA256

          ec735fb26d310b803d6c4370b7cdd2a4e0f100dc442d0545f3742b3b48da5f3f

          SHA512

          0ba3b50c8dbce8da4f3a312a8f57375b102dcc7348485300b1d65fec3b6f55f62eb54e8252ddd4d73620442813731f7bfceb84c122c07a778afde76d8a642e2d

        • C:\Users\Admin\cdhost.exe

          Filesize

          118KB

          MD5

          4abe6afa1ff995b70ef6511c1f0567ae

          SHA1

          80935a41582e0fb168c37d2960dce974cab5f0ab

          SHA256

          fba532bcf20eaba48015c06e52efd121a46dffad4a293d47d1ccc6529e0beae8

          SHA512

          bd8521102317e02b91025d8f3b5976e3ea6a93b82d8ca76bc05f43ca845d92d1a206d1a2710c194a018504a1578004f154d83c26243ffa2336a19610ee51c565

        • C:\Users\Admin\cdhost.exe

          Filesize

          118KB

          MD5

          4abe6afa1ff995b70ef6511c1f0567ae

          SHA1

          80935a41582e0fb168c37d2960dce974cab5f0ab

          SHA256

          fba532bcf20eaba48015c06e52efd121a46dffad4a293d47d1ccc6529e0beae8

          SHA512

          bd8521102317e02b91025d8f3b5976e3ea6a93b82d8ca76bc05f43ca845d92d1a206d1a2710c194a018504a1578004f154d83c26243ffa2336a19610ee51c565

        • C:\Users\Admin\ddhost.exe

          Filesize

          24KB

          MD5

          71aecf19a1aec54e3d2c63f945cc6956

          SHA1

          12213f95739e45881458a7bbb429a0b7b363ccbf

          SHA256

          c98cd0c456aa393a80d81d259dc8077edaf44d833e0691054291a9ba285f74cf

          SHA512

          a8634acb97730db9415fd5cb93cb23e1adea0d19c182cf3daf423a73d76dbf7cd3ae1829a3a24fefaab8ffa3fb5e3b93662559067590c7a6779ead71b8f145e4

        • C:\Users\Admin\ddhost.exe

          Filesize

          24KB

          MD5

          71aecf19a1aec54e3d2c63f945cc6956

          SHA1

          12213f95739e45881458a7bbb429a0b7b363ccbf

          SHA256

          c98cd0c456aa393a80d81d259dc8077edaf44d833e0691054291a9ba285f74cf

          SHA512

          a8634acb97730db9415fd5cb93cb23e1adea0d19c182cf3daf423a73d76dbf7cd3ae1829a3a24fefaab8ffa3fb5e3b93662559067590c7a6779ead71b8f145e4

        • C:\Users\Admin\g6NuH2.exe

          Filesize

          256KB

          MD5

          be8379280ac23f08b8b091e1bc345eae

          SHA1

          bb432b69277aec39e5566ec120d6fd8fe4e0097b

          SHA256

          caf1a47f843337e61a31e6faf6745bd9fd70e14af77f171c8764ea9d2fbe9dc5

          SHA512

          d5a26da6a5ded9961cc995a8f6e53b9a97d95330654a1e1e588ddcabcf4d058fe527b1d68de057b8b73be49f4bcb64b58db229a2007c9eb5858a7f1d81ddd215

        • C:\Users\Admin\g6NuH2.exe

          Filesize

          256KB

          MD5

          be8379280ac23f08b8b091e1bc345eae

          SHA1

          bb432b69277aec39e5566ec120d6fd8fe4e0097b

          SHA256

          caf1a47f843337e61a31e6faf6745bd9fd70e14af77f171c8764ea9d2fbe9dc5

          SHA512

          d5a26da6a5ded9961cc995a8f6e53b9a97d95330654a1e1e588ddcabcf4d058fe527b1d68de057b8b73be49f4bcb64b58db229a2007c9eb5858a7f1d81ddd215

        • C:\Users\Admin\tieepik.exe

          Filesize

          256KB

          MD5

          913bab7a12aadb31f837376412c2f6ef

          SHA1

          4f085d968e4acd95afa8d33e857c30633a1dc4fd

          SHA256

          318fb178255ea663523253216ad0aa58097d003a85c7000c112cda00fd582b14

          SHA512

          d1d303c37d025a197c242e96ec5915a3ca1038e4b6bffd5fd339bc3d3214d9a65a2553a9b5026a5b247a7fa6cefef75b9f940d9963284939c4d271e8d88ea0e5

        • C:\Users\Admin\tieepik.exe

          Filesize

          256KB

          MD5

          913bab7a12aadb31f837376412c2f6ef

          SHA1

          4f085d968e4acd95afa8d33e857c30633a1dc4fd

          SHA256

          318fb178255ea663523253216ad0aa58097d003a85c7000c112cda00fd582b14

          SHA512

          d1d303c37d025a197c242e96ec5915a3ca1038e4b6bffd5fd339bc3d3214d9a65a2553a9b5026a5b247a7fa6cefef75b9f940d9963284939c4d271e8d88ea0e5

        • memory/1480-177-0x0000000000E90000-0x0000000000EA6000-memory.dmp

          Filesize

          88KB

        • memory/1712-176-0x0000000002020000-0x000000000203B000-memory.dmp

          Filesize

          108KB

        • memory/1712-173-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1712-175-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/3008-134-0x0000000000400000-0x00000000004C4000-memory.dmp

          Filesize

          784KB

        • memory/3008-157-0x0000000000400000-0x00000000004C4000-memory.dmp

          Filesize

          784KB

        • memory/3008-137-0x0000000000400000-0x00000000004C4000-memory.dmp

          Filesize

          784KB

        • memory/3008-133-0x0000000000400000-0x00000000004C4000-memory.dmp

          Filesize

          784KB

        • memory/3008-141-0x0000000000400000-0x00000000004C4000-memory.dmp

          Filesize

          784KB

        • memory/3008-138-0x0000000000400000-0x00000000004C4000-memory.dmp

          Filesize

          784KB

        • memory/4804-166-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/4804-163-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/4804-162-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/4804-161-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/4804-160-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB

        • memory/4804-159-0x0000000000400000-0x000000000040B000-memory.dmp

          Filesize

          44KB