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Resubmissions

18/11/2022, 10:31

221118-mkb8vada8z 10

18/11/2022, 01:25

221118-bsyw2agc55 3

Analysis

  • max time kernel
    92s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/11/2022, 10:31

General

  • Target

    UkBuGFiaRxAAfl.dll

  • Size

    970KB

  • MD5

    a779d5cf3fa450bdf0f540054861ba62

  • SHA1

    4fe25852f69640e87e240b5e4bc46fdfc76782c7

  • SHA256

    2911bdd99140387cbc8761826aacc3c9de0ccb511255aa58790955d8337e2edf

  • SHA512

    1db51d312dfa647038d2c0c9afbd11852b4bdb177a07894f84db04d3547a3d06257900c597f9bb514bfcdcfd027fbcbe22552dbf73262f8f6e30920025ea3f50

  • SSDEEP

    12288:ZZ33fS04yxlif6aS8dqJJzkvyo4w9faJ+1NEDeX4d8FWkPQz8028ez+R7Fnjmz2q:ZZ33agIddqFY9CJ+1V4oWdY8ec7BjI4

Score
3/10

Malware Config

Signatures

  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\UkBuGFiaRxAAfl.dll,#1
    1⤵
      PID:4528
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 4528 -s 328
        2⤵
        • Program crash
        PID:532
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 412 -p 4528 -ip 4528
      1⤵
        PID:1048
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:1540
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe"
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe UkBuGFiaRxAAfl.dll #1
            2⤵
              PID:3004
              • C:\Windows\system32\WerFault.exe
                C:\Windows\system32\WerFault.exe -u -p 3004 -s 344
                3⤵
                • Program crash
                PID:64
            • C:\Windows\system32\rundll32.exe
              rundll32.exe UkBuGFiaRxAAfl.dll #2
              2⤵
                PID:4036
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -pss -s 524 -p 3004 -ip 3004
              1⤵
                PID:3216

              Network

              MITRE ATT&CK Matrix

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              Downloads