Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2023 14:58

General

  • Target

    6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe

  • Size

    5.3MB

  • MD5

    91b79b32ef70a7061012125b008183e7

  • SHA1

    163850ffe8c7846d71142da35a78a3ace8034ddc

  • SHA256

    6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a

  • SHA512

    64536241354a31a6d058854717e5312a72bfd3269d898b13ec6265dec2d05ac647059d6da11285b65d410fe7cd27d389f62d092cdb5602ff89acf9e4e42c7666

  • SSDEEP

    98304:GNDwSlUk9KPsUxfAdNmkVi+qkPZKOBuyaoY7cjG:G1Uk9KmdNmksOBuyaopjG

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 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 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1200
      • C:\Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe
        "C:\Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2188
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a7178.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1764
          • C:\Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe
            "C:\Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:2876
            • C:\Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe
              "C:\Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe" --type=collab-renderer --proc=2876
              5⤵
              • Executes dropped EXE
              PID:2760
        • 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:2360
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2764
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2504

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        251KB

        MD5

        d1476b19d1f516fa0dd1592a43f988ea

        SHA1

        5d0d9665369440d45801bea9ee81fdab6bab42e3

        SHA256

        9db9e57e625ac2b9061ae60e7ad7f6b4060da473f258296dd460750eafb96d77

        SHA512

        d1c175f1c3f23d43d6c3f79d3470e95d170d8b2b612a1a07be3291d277f50c134ef4efa2e4c22a2d3a2f36760535a7db1d912c0068521c195299d985c1caedac

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

        Filesize

        471KB

        MD5

        99ea9b604a7a734d3087fa6159684c42

        SHA1

        709fa1068ad4d560fe03e05b68056f1b0bedbfc8

        SHA256

        3f733f9e6fec7c4165ca8ba41eb23f604a248babe794c4ad2c6c3ce8032aab1c

        SHA512

        7af8008c7e187f925c62efc97e1891a7a38d089302dba39fbde137fb895e0592847ed0982c824c2075be8e6b95b6ce165ecb848ab85adf53779ebef613410fbb

      • C:\Users\Admin\AppData\Local\Temp\$$a7178.bat

        Filesize

        722B

        MD5

        8860ac2fe28f98284ec74cfa4b8b1bf7

        SHA1

        b0b3d06af2f2c7050dbdc575ca060436976a6bec

        SHA256

        d46f50ea36ea783bb2354742ebc543bb182305912888f46e2393f35ae6a4001e

        SHA512

        d3ccf7c74bcda93bbfc65365e78dab8aed8d37a98ab545f18a3b7ce3613439f40b07f51d153dd62072d13bf37d5d9e8a7e69e60b1d1df9c234169dd866def6a1

      • C:\Users\Admin\AppData\Local\Temp\$$a7178.bat

        Filesize

        722B

        MD5

        8860ac2fe28f98284ec74cfa4b8b1bf7

        SHA1

        b0b3d06af2f2c7050dbdc575ca060436976a6bec

        SHA256

        d46f50ea36ea783bb2354742ebc543bb182305912888f46e2393f35ae6a4001e

        SHA512

        d3ccf7c74bcda93bbfc65365e78dab8aed8d37a98ab545f18a3b7ce3613439f40b07f51d153dd62072d13bf37d5d9e8a7e69e60b1d1df9c234169dd866def6a1

      • C:\Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe

        Filesize

        5.2MB

        MD5

        da61964cb887eea438a6a2e85a4bdc6a

        SHA1

        c10d9e551ae8765d2af746f863d671c42e126a1e

        SHA256

        f6330cbf1a1799f06a71d2b5b19affae0e211a5299c117c4fde2528b92cd9e13

        SHA512

        aacbea034e58e716c6a4bfd8e3ed66f6d9102a9d52c4805c241d625f50c272c13f66094b65c2eb3ead06b4f09c617ab7a4f08426bfed969ba7bea25723acdc00

      • C:\Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe

        Filesize

        5.2MB

        MD5

        da61964cb887eea438a6a2e85a4bdc6a

        SHA1

        c10d9e551ae8765d2af746f863d671c42e126a1e

        SHA256

        f6330cbf1a1799f06a71d2b5b19affae0e211a5299c117c4fde2528b92cd9e13

        SHA512

        aacbea034e58e716c6a4bfd8e3ed66f6d9102a9d52c4805c241d625f50c272c13f66094b65c2eb3ead06b4f09c617ab7a4f08426bfed969ba7bea25723acdc00

      • C:\Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe.exe

        Filesize

        5.2MB

        MD5

        da61964cb887eea438a6a2e85a4bdc6a

        SHA1

        c10d9e551ae8765d2af746f863d671c42e126a1e

        SHA256

        f6330cbf1a1799f06a71d2b5b19affae0e211a5299c117c4fde2528b92cd9e13

        SHA512

        aacbea034e58e716c6a4bfd8e3ed66f6d9102a9d52c4805c241d625f50c272c13f66094b65c2eb3ead06b4f09c617ab7a4f08426bfed969ba7bea25723acdc00

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        e709076ae21e6b40310c5ce3939e92b9

        SHA1

        5f55d831addc856e8e0f732edc0f1cb19f1b68fb

        SHA256

        1a58e1410227a5a7e132f094e33e03896fb9f6b2415162dfaf761362580d0ea2

        SHA512

        b1e7d9870e28ef2392c96ef830e65d52a202fc3905bcf696f3b233f5f69b7b82486f703709c1355f9e67289f81dd6990675fd9f6a02508fe6128b22267afa2ab

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        e709076ae21e6b40310c5ce3939e92b9

        SHA1

        5f55d831addc856e8e0f732edc0f1cb19f1b68fb

        SHA256

        1a58e1410227a5a7e132f094e33e03896fb9f6b2415162dfaf761362580d0ea2

        SHA512

        b1e7d9870e28ef2392c96ef830e65d52a202fc3905bcf696f3b233f5f69b7b82486f703709c1355f9e67289f81dd6990675fd9f6a02508fe6128b22267afa2ab

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        e709076ae21e6b40310c5ce3939e92b9

        SHA1

        5f55d831addc856e8e0f732edc0f1cb19f1b68fb

        SHA256

        1a58e1410227a5a7e132f094e33e03896fb9f6b2415162dfaf761362580d0ea2

        SHA512

        b1e7d9870e28ef2392c96ef830e65d52a202fc3905bcf696f3b233f5f69b7b82486f703709c1355f9e67289f81dd6990675fd9f6a02508fe6128b22267afa2ab

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        e709076ae21e6b40310c5ce3939e92b9

        SHA1

        5f55d831addc856e8e0f732edc0f1cb19f1b68fb

        SHA256

        1a58e1410227a5a7e132f094e33e03896fb9f6b2415162dfaf761362580d0ea2

        SHA512

        b1e7d9870e28ef2392c96ef830e65d52a202fc3905bcf696f3b233f5f69b7b82486f703709c1355f9e67289f81dd6990675fd9f6a02508fe6128b22267afa2ab

      • F:\$RECYCLE.BIN\S-1-5-21-86725733-3001458681-3405935542-1000\_desktop.ini

        Filesize

        9B

        MD5

        aefd96a8d669fca3e61965ad4b456dbb

        SHA1

        a59ed0823bb825478bf4fa66cf84a474ac4f5272

        SHA256

        74e41853b6b9afd3ddd0261721f2c376a6c037a7659d829e65426afecfdbb8a2

        SHA512

        33e6dead0656b021014d6df9026a8988ab0b1098a476292ddde356a6c9d3536fc775419bc091399879d38ce403d6c450420c5bdc8423d4b20b945d75237696d1

      • \Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe

        Filesize

        5.2MB

        MD5

        da61964cb887eea438a6a2e85a4bdc6a

        SHA1

        c10d9e551ae8765d2af746f863d671c42e126a1e

        SHA256

        f6330cbf1a1799f06a71d2b5b19affae0e211a5299c117c4fde2528b92cd9e13

        SHA512

        aacbea034e58e716c6a4bfd8e3ed66f6d9102a9d52c4805c241d625f50c272c13f66094b65c2eb3ead06b4f09c617ab7a4f08426bfed969ba7bea25723acdc00

      • \Users\Admin\AppData\Local\Temp\6737bc84c726c68a4340044f06bb6442135438b0c0143242d8cc03394c7bfd5a.exe

        Filesize

        5.2MB

        MD5

        da61964cb887eea438a6a2e85a4bdc6a

        SHA1

        c10d9e551ae8765d2af746f863d671c42e126a1e

        SHA256

        f6330cbf1a1799f06a71d2b5b19affae0e211a5299c117c4fde2528b92cd9e13

        SHA512

        aacbea034e58e716c6a4bfd8e3ed66f6d9102a9d52c4805c241d625f50c272c13f66094b65c2eb3ead06b4f09c617ab7a4f08426bfed969ba7bea25723acdc00

      • memory/1200-32-0x0000000001C40000-0x0000000001C41000-memory.dmp

        Filesize

        4KB

      • memory/2188-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2188-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2188-34-0x00000000003C0000-0x00000000003F4000-memory.dmp

        Filesize

        208KB

      • memory/2188-21-0x00000000003C0000-0x00000000003F4000-memory.dmp

        Filesize

        208KB

      • memory/2188-20-0x00000000003C0000-0x00000000003F4000-memory.dmp

        Filesize

        208KB

      • memory/2360-43-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2360-49-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2360-96-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2360-102-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2360-177-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2360-1854-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2360-22-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2360-3314-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2360-35-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB