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Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/04/2024, 02:18

General

  • Target

    9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe

  • Size

    2.8MB

  • MD5

    81c4c08e604df85f6a86f49d97ec68f2

  • SHA1

    a08edbfdca35126abdc9c668c10e9b8378c71089

  • SHA256

    9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8

  • SHA512

    142c56b027a13a2a357b9e8c3cc7ae99f61290938f54d20e1e4c4d61f7dd100742b18cee06abb3156bda8118e853549281e6a0134917d19766347060a8d739cc

  • SSDEEP

    49152:B6gLKJuMarhVnMFwTH8/giBiBcbk4ZxZ2DqFeVMhuxcPh:Ed1XdhBiiMa7

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 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1180
      • C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe
        "C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a2617.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          PID:3012
          • C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe
            "C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe"
            4⤵
            • Executes dropped EXE
            PID:2668
        • 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:1572
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2604
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2380

      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

        e07b271414d7901d4be3fef46b6234ad

        SHA1

        383c79a26054fb1d00f931222e5f7fd7cdc2987b

        SHA256

        84bb3d64de9f9a1c3b1c2359204a1986fdbe17ef226274213bb17fbf0ca2198c

        SHA512

        d989a243a0c6e0f1fa1e562f49be1263fd2d7962f289d4a0108f046ef6f2cd87b262a4b2fbd4a94be3f9e39ac656b402f8d8aa40600db3ee02b24cf0d78e08e3

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

        Filesize

        474KB

        MD5

        6eabc463f8025a7e6e65f38cba22f126

        SHA1

        3e430ee5ec01c5509ed750b88d3473e7990dfe95

        SHA256

        cc8da3ecd355b519d81415d279ed037c725ba221bf323d250aa92ee2b2b88ca7

        SHA512

        c8fde7026ac8633403bbefee4b044457184388fb7343d8c46f5f7f272724227976bf485ea91da49e2a85dd0cfb73f260ac705d8007333dd3e5539fe5ed67e3ab

      • C:\Users\Admin\AppData\Local\Temp\$$a2617.bat

        Filesize

        722B

        MD5

        849b1db0808d7dbfe1e4ead4bb5dd77e

        SHA1

        4e8cb6263b717f60c86348d67bb594c22f569ce5

        SHA256

        01199174d8dfa90c2cde1e0bca2d8669c2eeca84f1b937952fc67d0d74b628ae

        SHA512

        6a9a4e6b15d69edce148e2923b10a3ce290f6121b6fcbbac3094e82cbec8aa58c5979e7fa06a92e1319e61e5bcb4a0a26bb06369cd4aea7f11a472aa3a975985

      • C:\Users\Admin\AppData\Local\Temp\9186e3e27692c763463421ba74e58bc843655237ef37759c5688a393d902ffb8.exe.exe

        Filesize

        2.8MB

        MD5

        095092f4e746810c5829038d48afd55a

        SHA1

        246eb3d41194dddc826049bbafeb6fc522ec044a

        SHA256

        2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

        SHA512

        7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        bc2827244a10f2d501da2a3835d316e4

        SHA1

        09d1f0df0cd9e0205bc7b3cdddf7441d08a9dd85

        SHA256

        c09672cfa112faa6c94d69a9b213d9dd1585c64250059fb9b8109e0dad8d5601

        SHA512

        d1bedcfdc699a513ed46dbf2c54c464fcb247771c20d503084a36a5c1561eb85d7e040fe42bee2a2b7408b98da8714040c199013d3bae9276fbb6e8fa382e56f

      • F:\$RECYCLE.BIN\S-1-5-21-1298544033-3225604241-2703760938-1000\_desktop.ini

        Filesize

        9B

        MD5

        73b8aef84e892e3f77d41747dce253db

        SHA1

        d642a92c96e4ed570d998a73e42fc24fafe8caf9

        SHA256

        a81f7465f537233bbd4b8fa9034e52a8ceffcdf97bf36244c4d404ebec14eb24

        SHA512

        9b0690efee220355932375db333b5487c369ca9fdcf8497bcb5283d78d21fb4fefb7c06bbe533fb1f18fd3b32256a013090af6dd957b9d09cc373d0d5b89cf6d

      • memory/1180-29-0x0000000002A90000-0x0000000002A91000-memory.dmp

        Filesize

        4KB

      • memory/1572-96-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1572-31-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1572-38-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1572-44-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1572-90-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1572-748-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1572-1849-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1572-2399-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1572-3309-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1572-18-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2872-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2872-16-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB