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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 09:25

General

  • Target

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164.dll

  • Size

    29KB

  • MD5

    608b48cb9671b72721f262a16e4bd86c

  • SHA1

    a3989fcfe22f78e60367dc34140364d374bbb478

  • SHA256

    9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

  • SHA512

    ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

  • SSDEEP

    768:oPT0ZH76u/h3P58P/Kr7UYQhpNn2bAmjw:CT0V71R0khepN2s

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:592
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164.dll,#1
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:920
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Windows\system32\nnnmlKCU.dll,a
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:5012

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\nnnmlKCU.dll

      Filesize

      29KB

      MD5

      608b48cb9671b72721f262a16e4bd86c

      SHA1

      a3989fcfe22f78e60367dc34140364d374bbb478

      SHA256

      9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

      SHA512

      ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

    • C:\Windows\SysWOW64\nnnmlKCU.dll

      Filesize

      29KB

      MD5

      608b48cb9671b72721f262a16e4bd86c

      SHA1

      a3989fcfe22f78e60367dc34140364d374bbb478

      SHA256

      9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

      SHA512

      ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

    • C:\Windows\SysWOW64\nnnmlKCU.dll

      Filesize

      29KB

      MD5

      608b48cb9671b72721f262a16e4bd86c

      SHA1

      a3989fcfe22f78e60367dc34140364d374bbb478

      SHA256

      9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

      SHA512

      ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

    • C:\Windows\SysWOW64\nnnmlKCU.dll

      Filesize

      29KB

      MD5

      608b48cb9671b72721f262a16e4bd86c

      SHA1

      a3989fcfe22f78e60367dc34140364d374bbb478

      SHA256

      9d7030256950ab804ca430c3bf305f087dd41d5e1cf46c254d8357e1ded8d164

      SHA512

      ff01b77565baa6cd0aa24d6a824726f3705256f66419af1447093199be891048002bf97ec1c48b254eb66ae165dfee0216cf429dcf9aca92dca5b4193a52629d

    • memory/920-135-0x0000000000B81000-0x0000000000B83000-memory.dmp

      Filesize

      8KB

    • memory/920-136-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

    • memory/920-137-0x00000000005A0000-0x00000000005A4000-memory.dmp

      Filesize

      16KB

    • memory/920-138-0x0000000000B80000-0x0000000000B90000-memory.dmp

      Filesize

      64KB

    • memory/920-139-0x0000000002000000-0x0000000002004000-memory.dmp

      Filesize

      16KB

    • memory/5012-144-0x0000000000B80000-0x0000000000B84000-memory.dmp

      Filesize

      16KB

    • memory/5012-143-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

    • memory/5012-145-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB