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Analysis

  • max time kernel
    91s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30/10/2022, 10:14

General

  • Target

    5cdc9beb7fd14ef731fe8e43f0dfbe6993b0797e4dc3e735823864423a9c187a.dll

  • Size

    421KB

  • MD5

    930a5ea8f2c0b869d9316407011298cf

  • SHA1

    9ff807a94078dc03c12185cdf8276c5fbe9a2239

  • SHA256

    5cdc9beb7fd14ef731fe8e43f0dfbe6993b0797e4dc3e735823864423a9c187a

  • SHA512

    96f606a4aed3157fe300dff388e63541f2b741175274888ea32fdbf0fba65156221ae139af5129d840f7b3162977cb8d1a2ccda96a629fbe54565c77a1d3c965

  • SSDEEP

    6144:wfgZ8zPboJUN/UsOrfqL6mGZsIdWHPA6p:wG8zsJUN/UsOrf8tGZsIk3p

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • UPX packed file 5 IoCs

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

  • Enumerates connected drives 3 TTPs 2 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 WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1236
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cdc9beb7fd14ef731fe8e43f0dfbe6993b0797e4dc3e735823864423a9c187a.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\5cdc9beb7fd14ef731fe8e43f0dfbe6993b0797e4dc3e735823864423a9c187a.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:1960
        • C:\Windows\SysWOW64\explorer.exe
          explorer C:\Users\Admin\AppData
          4⤵
            PID:1744
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:2032

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1744-69-0x0000000074B11000-0x0000000074B13000-memory.dmp

      Filesize

      8KB

    • memory/1960-63-0x0000000000130000-0x0000000000151000-memory.dmp

      Filesize

      132KB

    • memory/1960-57-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/1960-58-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/1960-59-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/1960-56-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/1960-67-0x0000000000130000-0x0000000000151000-memory.dmp

      Filesize

      132KB

    • memory/1960-66-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/1960-55-0x0000000076321000-0x0000000076323000-memory.dmp

      Filesize

      8KB

    • memory/2032-70-0x000007FEFBD01000-0x000007FEFBD03000-memory.dmp

      Filesize

      8KB

    • memory/2032-71-0x00000000039D0000-0x00000000039E0000-memory.dmp

      Filesize

      64KB