Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 18:40

General

  • Target

    b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe

  • Size

    53KB

  • MD5

    bb42d368117036f966ac637320573196

  • SHA1

    b7bb262aa512d4fd1f534d4d931d8461bf1d24db

  • SHA256

    b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2

  • SHA512

    785e1262a293d29c89dc5abf291f5792f212bf02048a869d0ccb0e1c237b7b4f6941ad9f4928a5708f30a41b3b0f8876eb95cff9bf561126d8f1bb8b446daf20

  • SSDEEP

    768:r1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoLpL/QasvFEpYinAMxklal9qYi2lauQ:BfgLdQAQfcfymN1L/Uve7Hxaio7YZxG

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 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1144
      • C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe
        "C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1752
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1390.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2140
          • C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe
            "C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe"
            4⤵
            • Executes dropped EXE
            PID:2696
        • 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:2004
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3016
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2632

      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

        a33a8079a96b84fb107ee4603ea5a431

        SHA1

        4d57eace6522d58ce571c31103ce1335cac7a334

        SHA256

        3ca9dbf486bbdef38ddf2102a532563ab20f4d767c5e6228f39e606e626e76d8

        SHA512

        29ec766ea39de2e24661a6444590fcd3421dfaf8e2f9edc6b7420331b455e9726759add01d9f53862341b7563042f089c64703edfcc38afa5f26e1e4bb64709b

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

        Filesize

        471KB

        MD5

        4cfdb20b04aa239d6f9e83084d5d0a77

        SHA1

        f22863e04cc1fd4435f785993ede165bd8245ac6

        SHA256

        30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

        SHA512

        35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

      • C:\Users\Admin\AppData\Local\Temp\$$a1390.bat

        Filesize

        722B

        MD5

        c3e45b10166123c14907ff08c0ef6c6b

        SHA1

        bfb32d24e0e71b21eb9a14241e178ff6f14a91ca

        SHA256

        1c276bfbd5da801debc95abd9335971d6b333ab369dae7222554b90a4bf4b120

        SHA512

        48b39aae1715be8c6e0ec6c5997f8d5abd671b92e50507b9ba7fef3f99e24c3b3fd1a3bd483dc1989176b02684656cba5df6ef7450bd6650481b3d054e788623

      • C:\Users\Admin\AppData\Local\Temp\b2bbdce47bf1e3230dec7b5baa9a5aba384fb50e0c29f0fa34401ce42fdc9ec2.exe.exe

        Filesize

        26KB

        MD5

        9e4d73e24d912baa6e20a98fa4f98df3

        SHA1

        965fbbbaa4156dcb5c6391df4d245bbf94d62c0f

        SHA256

        28c6ce3582292ca5df81b9f8996369e82d489cc894cba9ed6b3e6678e67fc7f1

        SHA512

        0fc58e74c7a0773a6338c35656484f2e5682a55a9c6ca03bc479728c617afc99295a3dcb52d7d414d8f5cb9c37704886f54e26acf47a3d69ebb931ce2e3bd4f2

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        2fa7d646424dcabdc763a482ed72338a

        SHA1

        2917f669560129d017d689b255ff05b848a6fcd0

        SHA256

        b6e3f8544ab9ccaaf1cb6cc51639b7173edb46f7fc186b908d8bcd50b731da69

        SHA512

        02230628e90c8ae3397fa1c1908c9d4d27c112c7986ab6630608ce16054b1731bb06f3a129657c25a32214bd2451fe36b3f0e649073f5b8b6c86dca42d4b317b

      • F:\$RECYCLE.BIN\S-1-5-21-1340930862-1405011213-2821322012-1000\_desktop.ini

        Filesize

        9B

        MD5

        4f2460b507685f7d7bfe6393f335f1c9

        SHA1

        378d42f114b1515872e58de6662373af31ab8c7b

        SHA256

        47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42

        SHA512

        75dcca6b81ac47511b847a5c35be4bddbee425436f7bfd1347115e18b84f52a16a5c517bda0a5f5d0a1f2541aab80d764932d8018538cb112fa3b6c9977e95eb

      • memory/1144-31-0x0000000002570000-0x0000000002571000-memory.dmp

        Filesize

        4KB

      • memory/1752-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1752-17-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-46-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-33-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-40-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-92-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-98-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-1102-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-1875-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-2870-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2004-3335-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2696-28-0x0000000073D2E000-0x0000000073D2F000-memory.dmp

        Filesize

        4KB

      • memory/2696-29-0x0000000000280000-0x0000000000288000-memory.dmp

        Filesize

        32KB