Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 23:32

General

  • Target

    d73a10b04bdd5ec548f95825733fceb623b3123a23d115897363ec8f0975477d.exe

  • Size

    64KB

  • MD5

    f8fe6e473e4029397c72d1fa5014841d

  • SHA1

    1369ccdeae525e6200509620038a72595802ca2c

  • SHA256

    d73a10b04bdd5ec548f95825733fceb623b3123a23d115897363ec8f0975477d

  • SHA512

    c1600f760cf5b9bbd96ffe1420cbd31f289bf781f42e48a4fc7a41e8d14a8fbefcb2d25fdd38e7d56f9d83c5a3cfde38c8c7bd5f8a028d2c597c20021a628ed9

  • SSDEEP

    1536:D3SHmLKarIpYCriw+d9bHrkT5gUHz7FxtJ:DkF3pxrBkfkT5xHzD

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • 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 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3476
      • C:\Users\Admin\AppData\Local\Temp\d73a10b04bdd5ec548f95825733fceb623b3123a23d115897363ec8f0975477d.exe
        "C:\Users\Admin\AppData\Local\Temp\d73a10b04bdd5ec548f95825733fceb623b3123a23d115897363ec8f0975477d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1476
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4314.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1988
          • C:\Users\Admin\AppData\Local\Temp\d73a10b04bdd5ec548f95825733fceb623b3123a23d115897363ec8f0975477d.exe
            "C:\Users\Admin\AppData\Local\Temp\d73a10b04bdd5ec548f95825733fceb623b3123a23d115897363ec8f0975477d.exe"
            4⤵
            • Executes dropped EXE
            PID:4816
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2548
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1000
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:544

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              571KB

              MD5

              0f418753f98875686d7aaa137f725cb8

              SHA1

              5d4d6505fa66a2d7833e99e13969586036513ad0

              SHA256

              0d91bfc058b787849ca58b843ae38380d7e003f90c1ba6497b006fbbde76d9d1

              SHA512

              5e6e1d822657fd0cc859cfb2a1e2344940a97a9f46ff1877724c16882943d79309f94de7897dd38f6b2de27c4d5825b580433404171be98cb92f12a0ada17bd8

            • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

              Filesize

              637KB

              MD5

              9cba1e86016b20490fff38fb45ff4963

              SHA1

              378720d36869d50d06e9ffeef87488fbc2a8c8f7

              SHA256

              a22e6d0f5c7d44fefc2204e0f7c7b048e1684f6cf249ba98c006bbf791c22d19

              SHA512

              2f3737d29ea3925d10ea5c717786425f6434be732974586328f03691a35cd1539828e3301685749e5c4135b8094f15b87fb9659915de63678a25749e2f8f5765

            • C:\Users\Admin\AppData\Local\Temp\$$a4314.bat

              Filesize

              722B

              MD5

              c7c7fa16b96473f708b103a20f9cb376

              SHA1

              d2c7ecc5e50b83b7cd6dbfeeb909806d4925e605

              SHA256

              d4cb9c029e4ca1b84859a437ecea883ed19810792a55739b5bf96382103cca0d

              SHA512

              ea24fa198fc338635d5a771c0ae01591958908e5d233d1a56536b8599affabd006ca05e9c28a6e5a199b15f4ece04cfb0f090c8d877c0fef0f57a1e9ec35f232

            • C:\Users\Admin\AppData\Local\Temp\d73a10b04bdd5ec548f95825733fceb623b3123a23d115897363ec8f0975477d.exe.exe

              Filesize

              36KB

              MD5

              9f498971cbe636662f3d210747d619e1

              SHA1

              44b8e2732fa1e2f204fc70eaa1cb406616250085

              SHA256

              8adf6748981c3e7b62f5dbca992be6675574fffbce7673743f2d7fe787d56a41

              SHA512

              b73083c2f7b028d2946cb8f7b4fe2289fedaa4175364a2aac37db0aeff4602aede772ccc9eba7e6dcfcb7276e52604ca45d8021952201b5834485b48bca3dc93

            • C:\Windows\Logo1_.exe

              Filesize

              27KB

              MD5

              3262af3b3175a752b3dc89d5befd082f

              SHA1

              e21b1e0a8298ce207987bf3479d995516ffb1c4a

              SHA256

              9760f2e8aa488761a0086d8c1d015d250d11c9c2b468c0c6786502c5f48bf788

              SHA512

              c2a167c48d803b206f5235cd61ab0f165241fe50d31f0471a117d692d7b3cd87a546ed2e03c7e6c261d0887ea77960e69ae48788cd5289c8142a1ba97a60b720

            • F:\$RECYCLE.BIN\S-1-5-21-3558294865-3673844354-2255444939-1000\_desktop.ini

              Filesize

              8B

              MD5

              af485d3db9f82d3e5bdc8c6d87fb742e

              SHA1

              f879c3dbd3d34e9789ff73896508bfbeabbf7468

              SHA256

              7a7b688ede50bbaf08d4579fbd8c6b6c99d9dd1206d95ab24d8174eb9be98759

              SHA512

              d5fe5155948320ef6d3f80c01c9a81f0d4f60bab381d921ab2e06b62475618b973b34346bd41b40af24f2b5aff64bba68710f405f7ff21a58f369acbaaee9360

            • memory/1476-0-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/1476-9-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/2548-27-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/2548-33-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/2548-37-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/2548-20-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/2548-1231-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/2548-4797-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/2548-13-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB

            • memory/2548-5236-0x0000000000400000-0x0000000000435000-memory.dmp

              Filesize

              212KB