Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 03:48

General

  • Target

    33df5ef4d464a58ed56bd8ad49cbd8c615b8e1c8f749d4d7d26e5c6e169b199d.exe

  • Size

    717KB

  • MD5

    ad6ebf00712a80df12effcba70b34f3a

  • SHA1

    8a5abefa550803b2448a0d51cbffb24e4427973e

  • SHA256

    33df5ef4d464a58ed56bd8ad49cbd8c615b8e1c8f749d4d7d26e5c6e169b199d

  • SHA512

    59358b405fa591f5a5a5eaa1909dc9167169e41a350522ceaf76a2e56f5da17c1646ce1e6c94543ab7dfe99c648a04d3162972c99e5cbc6644f03aab5cfbfd16

  • SSDEEP

    12288:IPlfC6Aj+TN5uixZN+8rKhUdTC/wE1ZD0Ca5ZIXV:IP9LOS2opPIXV

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\33df5ef4d464a58ed56bd8ad49cbd8c615b8e1c8f749d4d7d26e5c6e169b199d.exe
      "C:\Users\Admin\AppData\Local\Temp\33df5ef4d464a58ed56bd8ad49cbd8c615b8e1c8f749d4d7d26e5c6e169b199d.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1840
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
            PID:2584
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a197A.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2660
          • C:\Users\Admin\AppData\Local\Temp\33df5ef4d464a58ed56bd8ad49cbd8c615b8e1c8f749d4d7d26e5c6e169b199d.exe
            "C:\Users\Admin\AppData\Local\Temp\33df5ef4d464a58ed56bd8ad49cbd8c615b8e1c8f749d4d7d26e5c6e169b199d.exe"
            4⤵
            • Executes dropped EXE
            PID:2768
        • 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:2692
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2792
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2688
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2564
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2392

        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

          89a73460685a8ec8c28faa6831606709

          SHA1

          97b9556d1cfb15410d3cc325b7d98969baa64621

          SHA256

          a31c974ecfc6088a80b1494d4d670eb7d68702d46cbcca0b9c6d3ca5f6332d1d

          SHA512

          f5ab38639c051c177cada9aa101c22d96ee1109a508d228d5cfdb3ccde2224f422c48eb0ccb60740cbd9cad8fc089340a3fa5cab84a2d1793400940ce4fb59e9

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

          Filesize

          478KB

          MD5

          5264aab343fc1f53c29d1065346d0010

          SHA1

          db43bc0b28b4ada0c5635db50fd0b64410ab76ad

          SHA256

          d33d56847b353c8207a43aa01cc75527328ebf4bba669e90e29266d1b6fb57dd

          SHA512

          bb4ba1f7c5cae56cef564dd99f1a1fd3e2c656f8004f689a22ea641d886cbb3a19dde3dce5be4cf8cee4ce190170fd8c5390cb9c7c40ae54109559685119a958

        • C:\Users\Admin\AppData\Local\Temp\$$a197A.bat

          Filesize

          722B

          MD5

          dcf1204f5c7c389d36f540546dd4c685

          SHA1

          c02a81e72eb17e9fe240eead404a55c0ab9ac4bc

          SHA256

          0427f893074f785d745f0416db1599e1faccd870168b70cb9a1dba11f3412ced

          SHA512

          62c3607243ecf684d07a96357f7be7393f082623da449efed0b46d77ac33453f7a9eab1dd4c0fb0e27e4bbb2edfa9883ca0f3f5966df83c4d20df7b6c12f5114

        • C:\Users\Admin\AppData\Local\Temp\33df5ef4d464a58ed56bd8ad49cbd8c615b8e1c8f749d4d7d26e5c6e169b199d.exe.exe

          Filesize

          684KB

          MD5

          50f289df0c19484e970849aac4e6f977

          SHA1

          3dc77c8830836ab844975eb002149b66da2e10be

          SHA256

          b9b179b305c5268ad428b6ae59de10b4fe99cf0199bbc89b7017181905e97305

          SHA512

          877d852ea1062b90e2fd2f3c4dc7d05d9697e9a9b2929c830a770b62741f6a11e06de73275eb871113f11143faf1cb40d99f7c247862ffb778d26833ed5d7e38

        • C:\Windows\Logo1_.exe

          Filesize

          33KB

          MD5

          94cd6d8f19aa605f6272e77718e921cc

          SHA1

          e3a27adc311ba10d769eec7d49c4fcd31d5cc8d3

          SHA256

          e4b85b1edd03642cf845907985a60ace501a481804fc68d4862e6c119d3fbc18

          SHA512

          4bc4bf143cc1810ac59b481fe7553e7a34531daa8d32494868e2a9c506d8862ed3a9b590b592b457f1df62627186b9d4c8d773eff6adc0f4b62865fb47a072bb

        • F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini

          Filesize

          9B

          MD5

          4f2460b507685f7d7bfe6393f335f1c9

          SHA1

          378d42f114b1515872e58de6662373af31ab8c7b

          SHA256

          47a22297ce31d17b0f37251ce63cf2eb146700451caab6dd0aa710d2526c8e42

          SHA512

          75dcca6b81ac47511b847a5c35be4bddbee425436f7bfd1347115e18b84f52a16a5c517bda0a5f5d0a1f2541aab80d764932d8018538cb112fa3b6c9977e95eb

        • memory/1100-31-0x00000000025C0000-0x00000000025C1000-memory.dmp

          Filesize

          4KB

        • memory/2692-19-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2692-34-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2692-3322-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2692-4145-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2908-18-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2908-0-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2908-12-0x0000000000230000-0x0000000000270000-memory.dmp

          Filesize

          256KB