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Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 10:29

General

  • Target

    520eec92d440b2950ca7e16d81f5b779accadccf14c28a2ff9ce08bc4f8bdd2b.exe

  • Size

    27KB

  • MD5

    bb27255c2ad0322ea91f78075c91a67b

  • SHA1

    cd7e9b4a8cb7030f2ae2f595113580c36ffe6b8e

  • SHA256

    520eec92d440b2950ca7e16d81f5b779accadccf14c28a2ff9ce08bc4f8bdd2b

  • SHA512

    e4d9226d13927482b289c6e3148605db0ddd5b3bd6e402bf074775b7ce2995b8aa7dab7a65f49b62a3466b0781b1f9af93613b1f123aee018327f630147ed229

  • SSDEEP

    768:hrSw16GVRu1yK9fMFLKaTxsujCT7pZpY:hrX3SHmLKarIpY

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1144
      • C:\Users\Admin\AppData\Local\Temp\520eec92d440b2950ca7e16d81f5b779accadccf14c28a2ff9ce08bc4f8bdd2b.exe
        "C:\Users\Admin\AppData\Local\Temp\520eec92d440b2950ca7e16d81f5b779accadccf14c28a2ff9ce08bc4f8bdd2b.exe"
        2⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1900
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2088
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1796

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\7-Zip\7zFM.exe

        Filesize

        957KB

        MD5

        a8c9ee85a9761e481238d3fc29e539bd

        SHA1

        f130e72eb5f78cca2a17c8f4781bb19ef1e18453

        SHA256

        11b1fa70f956ece34e6381ef25c984eefc0ab078cf7918db822e5347c654ed50

        SHA512

        fa0f3cefdb5da6a59453267cc5743303da8662794b82cdb4d1e496dedb4f6f7226ed5ad3e9127165c53146f4ac8d6da6cdaa85550791bb6a07ad501468176c28

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        472KB

        MD5

        88eb1bca8c399bc3f46e99cdde2f047e

        SHA1

        55fafbceb011e1af2edced978686a90971bd95f2

        SHA256

        42fd78c05bc240d4ded16ac974f17c336f6ae3a1814d548021c48a942cc30428

        SHA512

        149d4de0c024e25a13a7bb17471e6f48391d4f26b1c8388672320eed1c255f84219ad7b72bbebc531ae558d5192dd4bb6d0dddd6c65a45300c8e8348a4fb3728

      • F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\_desktop.ini

        Filesize

        8B

        MD5

        af485d3db9f82d3e5bdc8c6d87fb742e

        SHA1

        f879c3dbd3d34e9789ff73896508bfbeabbf7468

        SHA256

        7a7b688ede50bbaf08d4579fbd8c6b6c99d9dd1206d95ab24d8174eb9be98759

        SHA512

        d5fe5155948320ef6d3f80c01c9a81f0d4f60bab381d921ab2e06b62475618b973b34346bd41b40af24f2b5aff64bba68710f405f7ff21a58f369acbaaee9360

      • memory/1144-5-0x0000000002DC0000-0x0000000002DC1000-memory.dmp

        Filesize

        4KB

      • memory/1900-66-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1900-20-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1900-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1900-72-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1900-14-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1900-405-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1900-1825-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1900-1826-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1900-3285-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/1900-7-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB