Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/06/2024, 23:45

General

  • Target

    90fdacd4ce6f6a3efeeb4ca4d9b856f4ce29232f56f01ed71d5d5fa3d94a2a80.exe

  • Size

    389KB

  • MD5

    862d054c3d16d3d265edbe551c03b333

  • SHA1

    cf3672b911f20186596cc87d4e3e8effc4096aab

  • SHA256

    90fdacd4ce6f6a3efeeb4ca4d9b856f4ce29232f56f01ed71d5d5fa3d94a2a80

  • SHA512

    5bab9f24ec58b12f665f313ae08d8da1fdcb218240ddd7273dd4534e1037375b3781a7a46d2c7c22f9593725c58b3163fc846ebf6ff34eee89b49251f27a428f

  • SSDEEP

    6144:YuJ6P2zPVz7jUBs8hqcBCi6dbfra4erJlt9A+xX1oOAisEIWmGeNkfGuYF1moHXG:NahVy41

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:1148
      • C:\Users\Admin\AppData\Local\Temp\90fdacd4ce6f6a3efeeb4ca4d9b856f4ce29232f56f01ed71d5d5fa3d94a2a80.exe
        "C:\Users\Admin\AppData\Local\Temp\90fdacd4ce6f6a3efeeb4ca4d9b856f4ce29232f56f01ed71d5d5fa3d94a2a80.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aCAE.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2320
          • C:\Users\Admin\AppData\Local\Temp\90fdacd4ce6f6a3efeeb4ca4d9b856f4ce29232f56f01ed71d5d5fa3d94a2a80.exe
            "C:\Users\Admin\AppData\Local\Temp\90fdacd4ce6f6a3efeeb4ca4d9b856f4ce29232f56f01ed71d5d5fa3d94a2a80.exe"
            4⤵
            • Executes dropped EXE
            PID:2640
        • 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:1664
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2620
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2512

      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

        254KB

        MD5

        48b536408ac1a66263ed8da4ec21add8

        SHA1

        62d20d73d6035d5ce1e1bf1068ff3bf52d609c3b

        SHA256

        fbc2cf414606174f3555d76fe647557b72ac47e6bda0864fd8c5dad738df1733

        SHA512

        44f09df70cb4cafa63f88899b0b0fa07bf8fcd5d0106a9a945453de7570c37985039c4a7267708815b6c707539e9a4472d329f010f6a692c5c1fcaab6c41f1c0

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

        Filesize

        474KB

        MD5

        de4228cb7a5a7f082477f6a504b822a7

        SHA1

        dfd84f0b6f4977bfda43b1827aa747a9a5a8a38b

        SHA256

        8c5089a062734aa1a66e70700d4f33f2f54157c4bb3ed4d6ce1a852de8b6f90b

        SHA512

        a3b64b10a22dedebfa48e7705e148d50df480fa9bb0669bc06951ab0ff5f97657f72dc8b71db610499ee38ecae9ae494265841a737806bed7c061d0b634913c8

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

        Filesize

        721B

        MD5

        256db8328a5be3c63e955f1a70b6dce6

        SHA1

        f8188dad1e2a79c9db4b3cbf1a1eb78ab74f4bc7

        SHA256

        f3612d309bd7d79a3004d635b30f5d2c16991867ddecc6547bec84a4b6114cac

        SHA512

        ad346c643bfcdc0342016517dddda086c963ace75127625bab60511b6d9d3fe8a4fd2fefe745eba434698a50dc0905d5612633e3ec4c2b475d3774d78e61d682

      • C:\Users\Admin\AppData\Local\Temp\90fdacd4ce6f6a3efeeb4ca4d9b856f4ce29232f56f01ed71d5d5fa3d94a2a80.exe.exe

        Filesize

        360KB

        MD5

        5fbd45261a2de3bb42f489e825a9a935

        SHA1

        ff388f6e9efe651ec62c4152c1739783e7899293

        SHA256

        9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4

        SHA512

        7f22b1995a07016adb342c551454d602bfbe511525139aee8581b62116608e9e278fd81c26382f1333c7eccded4474196e73c093bb5cbf8e8f203e865024c058

      • C:\Windows\rundl132.exe

        Filesize

        29KB

        MD5

        9fcfb6b631b5a62c2af6f852de61dc71

        SHA1

        02149b5ae9d7c72cc2df500a9cf25ef4234614e1

        SHA256

        470ca7731bbe27be0922d68e5479cc10f87a1b29acfbe44a506414761a379a2a

        SHA512

        69076244e4c53b09a9d3595e6b53201013ce006da986542f8375223640e5ce66d000c9f02c71d3856ea0f3f788c139fce670ae26c571bd71d801bd67e15cb66a

      • F:\$RECYCLE.BIN\S-1-5-21-2297530677-1229052932-2803917579-1000\_desktop.ini

        Filesize

        9B

        MD5

        1f206a052c160fd77308863abd810887

        SHA1

        3b27ec1dc4b51fb7f1793a9ca9bb0d2e53e60eb1

        SHA256

        45129bd309ca763a88c6bf438896e82b939d6491036658c4512c57f8353938c1

        SHA512

        bd7857c146b01a49d34d4eb84053353eeb586bee6916426179305d5e2360559adea4040fe2184a3a803943ff4e6526cc38c665f9a808355619628868d53fbed5

      • memory/1148-31-0x0000000002580000-0x0000000002581000-memory.dmp

        Filesize

        4KB

      • memory/1664-635-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1664-98-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1664-33-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1664-3311-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1664-40-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1664-46-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1664-92-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1664-23-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1664-2101-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1664-1851-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2240-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2240-17-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2240-16-0x0000000000220000-0x0000000000256000-memory.dmp

        Filesize

        216KB

      • memory/2240-18-0x0000000000220000-0x0000000000256000-memory.dmp

        Filesize

        216KB