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Analysis

  • max time kernel
    90s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 05:53

General

  • Target

    458328705340be894482031cde066122011a171c302ece5403e707d4cb4cec40.dll

  • Size

    330KB

  • MD5

    267cd81f70fff3fb86ccdae30564566f

  • SHA1

    02050da80bf614d2b60269dcada643d73674d417

  • SHA256

    458328705340be894482031cde066122011a171c302ece5403e707d4cb4cec40

  • SHA512

    f6496c20138e3e1ec9d04b9be6c6202216c85705fc80178ba5be9980d00fa4c2048747e62a40340b009442c6a649909cb5e6cce67a51fd7e11f27b6449494f67

  • SSDEEP

    6144:abt6RN3QdRz+v+8/mpIk97KUfNEheSf72d9ht3A8YOuwvni2ScmsvgeceFmxaNt:ax6RN3QDz+jkpPfNEheSf72pt3xYfwag

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • UPX packed file 1 IoCs

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

  • 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:1424
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\458328705340be894482031cde066122011a171c302ece5403e707d4cb4cec40.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\458328705340be894482031cde066122011a171c302ece5403e707d4cb4cec40.dll,#1
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1124
        • C:\Windows\SysWOW64\explorer.exe
          explorer C:\Users\Admin\AppData
          4⤵
            PID:1376
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:672

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/672-66-0x000007FEFC5A1000-0x000007FEFC5A3000-memory.dmp

      Filesize

      8KB

    • memory/672-67-0x00000000039C0000-0x00000000039D0000-memory.dmp

      Filesize

      64KB

    • memory/1124-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

      Filesize

      8KB

    • memory/1124-59-0x0000000000170000-0x0000000000191000-memory.dmp

      Filesize

      132KB

    • memory/1124-62-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/1124-63-0x0000000000170000-0x0000000000191000-memory.dmp

      Filesize

      132KB

    • memory/1376-65-0x0000000075211000-0x0000000075213000-memory.dmp

      Filesize

      8KB