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Analysis

  • max time kernel
    149s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2022, 00:19

General

  • Target

    c7f872b67dbaf3c228d091b3608b5c727b18d496a6fba4839563fa87a386e9a7.dll

  • Size

    170KB

  • MD5

    05caca0e976326eec15f979ec5029189

  • SHA1

    9a6b06e4d8cd80ff7eb3d4f8e303d82f7891fc66

  • SHA256

    c7f872b67dbaf3c228d091b3608b5c727b18d496a6fba4839563fa87a386e9a7

  • SHA512

    9ffe1f35a9d3070f515ee23a65eee2321ed98943ccd3dec905364591756fcae559bd34b96a2ee15321cece502644b30012b8cb002d1a9e87769a3ad3e9f9cd94

  • SSDEEP

    3072:1EyXXC4tLhinKKEZ4xgYLQw0glW8vPMNTbo8jxhsienLT9UwKu4mqr4dv:/CKLzLqZLb3ldvPd4Sdf9XKsXJ

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 28 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1248
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c7f872b67dbaf3c228d091b3608b5c727b18d496a6fba4839563fa87a386e9a7.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\c7f872b67dbaf3c228d091b3608b5c727b18d496a6fba4839563fa87a386e9a7.dll,#1
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Windows\SysWOW64\explorer.exe
          explorer C:\Users\Admin\AppData
          4⤵
            PID:1548
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:968

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/968-65-0x000007FEFC391000-0x000007FEFC393000-memory.dmp

      Filesize

      8KB

    • memory/968-66-0x0000000003740000-0x0000000003750000-memory.dmp

      Filesize

      64KB

    • memory/1356-55-0x0000000076701000-0x0000000076703000-memory.dmp

      Filesize

      8KB

    • memory/1356-59-0x0000000000240000-0x0000000000262000-memory.dmp

      Filesize

      136KB

    • memory/1356-63-0x0000000000240000-0x0000000000262000-memory.dmp

      Filesize

      136KB

    • memory/1548-64-0x00000000751A1000-0x00000000751A3000-memory.dmp

      Filesize

      8KB