Analysis

  • max time kernel
    149s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2024, 22:33

General

  • Target

    ff2b62f4edd08116ba995037c3e48870febe35155564c1b590182e2167d6dbfc.exe

  • Size

    236KB

  • MD5

    9e183f434e86a14d0ac93de0b9ffda4e

  • SHA1

    b4d0aa1c69637ac43165c296af5f22f72a27c2e6

  • SHA256

    ff2b62f4edd08116ba995037c3e48870febe35155564c1b590182e2167d6dbfc

  • SHA512

    aad4b2cd1d6f3bf1f324933c92707c80e75cb390ae5b329e5053220544dec748f494721a933317ee5609ac4e7c9c5ca365d420ce86a51102efc5a5c99ca48302

  • SSDEEP

    3072:Ise+aX3zvapVOqhtWAGYWOvTE4BwSfGuLG8NoqJEPyXK/aWbJSP5xV0BUj:A+aX3Laz4KUuS8oqJIgKGe

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1252
      • C:\Users\Admin\AppData\Local\Temp\ff2b62f4edd08116ba995037c3e48870febe35155564c1b590182e2167d6dbfc.exe
        "C:\Users\Admin\AppData\Local\Temp\ff2b62f4edd08116ba995037c3e48870febe35155564c1b590182e2167d6dbfc.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1456
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2500
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1192
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a3F70.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2224
          • C:\Users\Admin\AppData\Local\Temp\ff2b62f4edd08116ba995037c3e48870febe35155564c1b590182e2167d6dbfc.exe
            "C:\Users\Admin\AppData\Local\Temp\ff2b62f4edd08116ba995037c3e48870febe35155564c1b590182e2167d6dbfc.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2764
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2452
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2772
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2436
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2960
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2672

    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

            258KB

            MD5

            ec71a61715110767626fe1094063291b

            SHA1

            1fd433c484e987ad74fb6dd5026e94eba029f62f

            SHA256

            e737572195b0c4d8df6f1211e324b97191d66ba2b409cfaa2dd07fd5b96a87f4

            SHA512

            61df3880ff6b71b5b2c522678a1ee69011a9387158e3956f6dd8db8e2c76113772fcf2b9979e27ee84d659925d3d44382d9d5da171dcdfb8a3b21c8034297d6f

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

            Filesize

            478KB

            MD5

            f5cd7b35ea5f0009cdb5355dbc356066

            SHA1

            c06af0b31cdebdc4e31d57f448acb174e5be44b7

            SHA256

            472ce6c84e17f672782a003fa17f8d412c85a25675f83d16b1a1fb7bfc085f6d

            SHA512

            89573e495959ad60f4a4079248f3cfb6991b8c700223538a269d7553baaacd6de837f26cfe1a4f6a6c0940b8d758406ae2d9e85f2e5738371c9025ea699a7d28

          • C:\Users\Admin\AppData\Local\Temp\$$a3F70.bat

            Filesize

            722B

            MD5

            36ffb3301303816764a3533101c98834

            SHA1

            a18b36a12e12a3f1296698e97c93f2b6fd9ed1ad

            SHA256

            93c23cdf9c6185b3967bc406da005ff829970bf14e809b51e19bdfca400540b1

            SHA512

            bd4145de53e2f383645e71426e3c5f93dd2e530193012c7a0188699540d64b52166f5c131308597062ef4ed3b5503d07fb4d0405e8264598584690417aac458d

          • C:\Users\Admin\AppData\Local\Temp\ff2b62f4edd08116ba995037c3e48870febe35155564c1b590182e2167d6dbfc.exe.exe

            Filesize

            203KB

            MD5

            5f1ba3be7e873d24ef709bbca0d07f88

            SHA1

            7ea62d7d32a18b6904b36501fb4cad573c99ed36

            SHA256

            9d4ebad94997f790d19e8d998c4ee749aa6f73e30fd5512a48a839cb28c75470

            SHA512

            28f6b537ecfffa21041cc317437db1f3970484ebd45b335bd12f3f3f81c58926b4fb9ddcf5e210180cf57106722c21257ff4e95b23434ff5b685882661b6af4d

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            c4ec2631f0913b349423b6d2bd687a6b

            SHA1

            9b9ae1664a063db7e1bd53073f6f1c3a62fa0e55

            SHA256

            cdaed7acb956972ce40a95412620150fcf1428c34a8ddbd0e9f0742df0d885bb

            SHA512

            a8ba683aa3c9d607d7ef9c3ec28a924b23be85a90e5334eb2a9f6edb8117442a818608c44f010b2bdaec052319fcc6436b5628408f4ebb82d207196df1729e86

          • F:\$RECYCLE.BIN\S-1-5-21-2703099537-420551529-3771253338-1000\_desktop.ini

            Filesize

            8B

            MD5

            24cfb7e9169e3ecbcdf34395dff5aed0

            SHA1

            64061d8b0afd788fb3d2990e90e61f14010896dd

            SHA256

            e11477f26e6139dabba6ad5dab927732c6a3785db78f82194ad7ae20323c6578

            SHA512

            a315d4ab14f15f8df115e35134f0a1eff8018b0c35c5a0283928f2d3f3014215d683973b9aeba1bc74c49437cc929ea4e2fb847b4305da6d5abca235c750e299

          • memory/1252-29-0x0000000002DD0000-0x0000000002DD1000-memory.dmp

            Filesize

            4KB

          • memory/1456-15-0x0000000000230000-0x000000000026F000-memory.dmp

            Filesize

            252KB

          • memory/1456-17-0x0000000000230000-0x000000000026F000-memory.dmp

            Filesize

            252KB

          • memory/1456-19-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/1456-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2452-32-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2452-2930-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2452-4187-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/2764-33-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB