Analysis

  • max time kernel
    220s
  • max time network
    220s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 00:33

General

  • Target

    e233a24ce8ae4b40a6886f53b00a9a973f076be212443be0d090d0a8d25a0107.exe

  • Size

    240KB

  • MD5

    35b4cdae7e5ce5e6e85043974a2a2565

  • SHA1

    e7111d730cc3e2bd576139a1b8d73408e55212cf

  • SHA256

    e233a24ce8ae4b40a6886f53b00a9a973f076be212443be0d090d0a8d25a0107

  • SHA512

    3aad831de935dcf2083b3f2fceee8f622961aa6000397954b404484cf511da7c02e3e459befa2825b282f6781c39375ae58aad30e9f0b14ca785996d80046a21

  • SSDEEP

    3072:TNf3wRqQxKvxnsRcaCL+1TwiHOgk1pHpPZkUjWVzplL9a6OSwTukdDXkxe86K:pPeyxTQOgIPZk1VzplL9a6FwTBdD6L6K

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e233a24ce8ae4b40a6886f53b00a9a973f076be212443be0d090d0a8d25a0107.exe
    "C:\Users\Admin\AppData\Local\Temp\e233a24ce8ae4b40a6886f53b00a9a973f076be212443be0d090d0a8d25a0107.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Documents and Settings\tazebama.dl_
      "C:\Documents and Settings\tazebama.dl_"
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:460
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 460 -s 732
        3⤵
        • Program crash
        PID:4220
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 460 -ip 460
    1⤵
      PID:224

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Documents and Settings\tazebama.dl_

      Filesize

      151KB

      MD5

      1f5008049a65015c2838acb64cbd2e96

      SHA1

      fe5ee32fbe536fb86f2a6ade047c5bc4b24f9f1c

      SHA256

      1b9275491e7a4fc5a2c846c28df15d3d88a649fd8892017359c07e6f5c9919ea

      SHA512

      511ee68ce8c603e739cb90f645925afd1a4d2cc0a7e646d59a95810a429b63be509e35bbadfc836090c1a80d72eb3443317a66b13191a0b847a910656f876784

    • C:\Users\tazebama.dl_

      Filesize

      151KB

      MD5

      1f5008049a65015c2838acb64cbd2e96

      SHA1

      fe5ee32fbe536fb86f2a6ade047c5bc4b24f9f1c

      SHA256

      1b9275491e7a4fc5a2c846c28df15d3d88a649fd8892017359c07e6f5c9919ea

      SHA512

      511ee68ce8c603e739cb90f645925afd1a4d2cc0a7e646d59a95810a429b63be509e35bbadfc836090c1a80d72eb3443317a66b13191a0b847a910656f876784

    • C:\Users\tazebama.dll

      Filesize

      32KB

      MD5

      b6a03576e595afacb37ada2f1d5a0529

      SHA1

      d598d4d0e70dec2ffa2849edaeb4db94fedcc0b8

      SHA256

      1707eaf60aa91f3791aa5643bfa038e9d8141878d61f5d701ebac51f4ae7aaad

      SHA512

      181b7cc6479352fe2c53c3630d45a839cdeb74708be6709c2a75847a54de3ffc1fdac8450270dde7174ecb23e5cb002f8ce39032429a3112b1202f3381b8918c

    • memory/460-139-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/5072-132-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/5072-134-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/5072-138-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB