Analysis

  • max time kernel
    160s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 08:12

General

  • Target

    7e41f43275f79de584731ac3682d085df368ec8e844bf3f763d28378132b4849.dll

  • Size

    160KB

  • MD5

    f17a942c372ace091d4e3326b654f911

  • SHA1

    1a13fcb856dd00683674b81ffb40f9b8b4275f10

  • SHA256

    7e41f43275f79de584731ac3682d085df368ec8e844bf3f763d28378132b4849

  • SHA512

    69d12a47223f04f8e21b30f662de56eeba68c9f98fb3dc9aa864f89bb439e069947b982f72ea91a73034ba1142e5b3e382463cf45af4dbc7e8a1c9d2647bfbb0

  • SSDEEP

    3072:K61Ye3TaEu2CoCcn3zO7A4D8XHLC/6CqX2n2sv566sJrlcWAP:HTa12CoCckAe87CnqX2L4JrlcLP

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e41f43275f79de584731ac3682d085df368ec8e844bf3f763d28378132b4849.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:288
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e41f43275f79de584731ac3682d085df368ec8e844bf3f763d28378132b4849.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:968
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 92
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1404
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 228
        3⤵
        • Program crash
        PID:2036

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          95KB

          MD5

          8e617cbfd82e7d8b1e714f2b4f27d84f

          SHA1

          bcf77c9799fd933f23ce344d2c46081dec46ebb2

          SHA256

          75b0313a8289f2e8bef73aa7599d96e661b6d3840fb32d330bc3cd924240b69e

          SHA512

          3809686bd7d4c03cab6ce7e438115ecf224955fe55d2c8784e16d9df1d30c86b047017536435e059a9bda2e30a29263139336ebcab662d2a281f9c7dc2792d79

        • memory/968-72-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

        • memory/1800-55-0x0000000075771000-0x0000000075773000-memory.dmp

          Filesize

          8KB

        • memory/1800-57-0x000000006D100000-0x000000006D128000-memory.dmp

          Filesize

          160KB

        • memory/1800-58-0x0000000000120000-0x0000000000149000-memory.dmp

          Filesize

          164KB

        • memory/1800-71-0x0000000000120000-0x0000000000149000-memory.dmp

          Filesize

          164KB

        • memory/1800-73-0x0000000000120000-0x0000000000149000-memory.dmp

          Filesize

          164KB

        • memory/1800-74-0x000000006D100000-0x000000006D128000-memory.dmp

          Filesize

          160KB