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Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/03/2024, 19:25

General

  • Target

    54e69d7f53d339d57884a05a425f7f972946efea3989b80027012a908c30c7b0.exe

  • Size

    306KB

  • MD5

    4aaabba576b636750de26ebdba21298c

  • SHA1

    2b1a3c426e9c67d4bcefac90c13301d1e9086fab

  • SHA256

    54e69d7f53d339d57884a05a425f7f972946efea3989b80027012a908c30c7b0

  • SHA512

    5f44135df0a215df3c369309a126001773432f7933f2d20d610594b98f71cbc188e823d0b9152f30a6d07ee157fb5ced9d2cb0cbe9c33d0286a2c209b13f390a

  • SSDEEP

    6144:d8VfgPYxJfXaybsYYT6A+TeuL+5/XohWY8v5:d+Y4JPaS2Td+Tez5/Xo65

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1152
      • C:\Users\Admin\AppData\Local\Temp\54e69d7f53d339d57884a05a425f7f972946efea3989b80027012a908c30c7b0.exe
        "C:\Users\Admin\AppData\Local\Temp\54e69d7f53d339d57884a05a425f7f972946efea3989b80027012a908c30c7b0.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2324
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1822.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2036
          • C:\Users\Admin\AppData\Local\Temp\54e69d7f53d339d57884a05a425f7f972946efea3989b80027012a908c30c7b0.exe
            "C:\Users\Admin\AppData\Local\Temp\54e69d7f53d339d57884a05a425f7f972946efea3989b80027012a908c30c7b0.exe"
            4⤵
            • Executes dropped EXE
            PID:2648
        • 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:2520
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2588
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2692

      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

        65b4a0bf5703bbb54c97a3adc1eda035

        SHA1

        2133af6d980782e84a0b2645619e981973bd9167

        SHA256

        4c68edc3a62e2b1b4ef69e977d1749fff63af3b0dbf50d8d6637d9605853bb12

        SHA512

        730daacda7efa72b1394d1eabed5d2a7104f1e5ecd5e0a96bc32a21754c298b0727270e85434dd3f8291e4e5eb55cea3fa820177b873bb02bdf4dfcf30ff779b

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

        Filesize

        471KB

        MD5

        1a0dbecba0dbb963c2f3b0448796d47a

        SHA1

        5c0b5d378d3614fe984ce2915b5720886992da0c

        SHA256

        1ea2fb84177a921bc3df4763c3da53a970e192f93f6175d09696ded019e50cf8

        SHA512

        8e25dc08fa6f280a6bc1ccacb1ce665ab055b5d539f8915915fc7536c90185a221cb0c50a02d34b521b871b8487a155b9c40a5f25df87306e1df24ca7e96da25

      • C:\Users\Admin\AppData\Local\Temp\$$a1822.bat

        Filesize

        722B

        MD5

        d7897ba28f641a8af6b15aa3016e7ded

        SHA1

        f844580bf72a523c811adaf95519e78d8a532a06

        SHA256

        c631112a1fd29abe727796d65c7f7ec2cff301a51d21dfb1559e8f65068092ad

        SHA512

        c39d89e3159196af147b04ca460faf322ca8e2e29e0c0162030c5e8146b09ff48cc25d8b3e02ea3c72a474a265e88c7632dfaa3e64995b13087708aee573dd0a

      • C:\Users\Admin\AppData\Local\Temp\54e69d7f53d339d57884a05a425f7f972946efea3989b80027012a908c30c7b0.exe

        Filesize

        260KB

        MD5

        2b69c511c5d2483d27450d6f8c79a2e7

        SHA1

        3bc30e097451bdf7457213700c4a36160a36d752

        SHA256

        dc896e2339c5b1ed6c96cf02b2e9481f64c56cca83d94e4c3f9a7ffa6963e09a

        SHA512

        82f0c3cd22c2f3d474462527ce7b87a41286b38b526aa518452bbf29f0818ada55e3644423f42b664149c0b4ae6a8cd00c7b51f6d7b93808e2eb0350b89ea8be

      • C:\Users\Admin\AppData\Local\Temp\54e69d7f53d339d57884a05a425f7f972946efea3989b80027012a908c30c7b0.exe.exe

        Filesize

        141KB

        MD5

        0251363b53d6fb37f48ed85ce30aada1

        SHA1

        bfbe90ce11485db97ed43157cbc580ef35432ce8

        SHA256

        2a26955b55097a4b041a1ee8fa12130e43b171a23b4ac76a2d8d649a6f766f1e

        SHA512

        ed4816cce1f6cd6a49f25daecb2c645dd1cb5ad1f7b96f0ee7de9553f88ead015feb715252f5559f5b8e5c94fcbed74988db33f526ab8db947effec56103f73b

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        ef3256717d6b0edc9776e10d8a519313

        SHA1

        c7629324ead6c72e3aaec3c4715ecafb752e305c

        SHA256

        71fdb7e7308c8cc0b0287ab175de70c1110bc506198983a7ee341951f07328a5

        SHA512

        eeb5fc7cb46ffb4d261da3c1626a83da7a10d8a0b51147e74e594341d5c0b383d5dc2ae43133c28656dfc63f1ea98c513ceaf622c9036a206716509d14748c77

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

        Filesize

        9B

        MD5

        99e7b853191358d26886fb0fbf829151

        SHA1

        e48d4d584139ac8cef25e13fec7558deb3394143

        SHA256

        e361153f54284dcb6dd9194e2517751c54440206148beb878dfd37e380405f4d

        SHA512

        d9de2712f2d0af5774acd4f44b4081f9b0d6e7bcd43518431ec8e53932a9e10bcd3ee93fa8565a79619e0b10b3c7178fdfc5ff11675198a6f035a15f6aa03280

      • \Users\Admin\AppData\Local\Temp\54e69d7f53d339d57884a05a425f7f972946efea3989b80027012a908c30c7b0.exe

        Filesize

        280KB

        MD5

        1b294698fdea69a9957efcd241211cba

        SHA1

        723cbfdb4497def21730ee3cb64c5522d03b555b

        SHA256

        a6231c541aa480ff1a9db9cd40b1366c1a8d53abcaed0ab42bf834e59fe490c8

        SHA512

        9fde02405009a7be99094f66114f4b23fc94dc6023170d6ccd1518cc5e0703c8b7537dda45ecc42afa36b06b8cf368d997ba0964e2b147e9a6695f410647971c

      • memory/1152-29-0x0000000002E40000-0x0000000002E41000-memory.dmp

        Filesize

        4KB

      • memory/2324-20-0x0000000000440000-0x0000000000474000-memory.dmp

        Filesize

        208KB

      • memory/2324-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2324-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-31-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-44-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-90-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-96-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-929-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-1850-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-38-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-3237-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-3310-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2520-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB