Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07/06/2024, 15:33

General

  • Target

    c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe

  • Size

    141KB

  • MD5

    5d286964101a08da4bdddb94c98d8861

  • SHA1

    f8d8358262018930ac3ecd82af1cccb826518877

  • SHA256

    c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a

  • SHA512

    b5f57f7d4ea8a3db3e3f80ff38fb27437c1c25eca60ebdd7a1e739a6236d56a161fd77cc3e2fa7d422d8910601e9ff7f8ac29c7413de5779d64eb8c1dc85c53d

  • SSDEEP

    3072:/BC8ulMXaKSsRYHKreCC0XUq2yiqzv6z4AXrB4APHCv:lG5KlYHKreQ32hlBG

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 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 41 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1352
      • C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe
        "C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2892
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1516
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2552
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9119.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2620
            • C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe
              "C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe"
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:2748
          • 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:2640
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2964
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2144
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1588
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2420

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

            Filesize

            258KB

            MD5

            a250aa2897bf08c76a4de6de8562286e

            SHA1

            2dfca956f87c670477e8b3d31bd0664018ca0219

            SHA256

            65b18c4626b691c78ebd76f4f497f4f54e0dfde43371102719087cbda44e1c69

            SHA512

            004dca009b53b4b3040fbb84eff848b984fc94ae377c316bfaefe47c648ef826e346202088c656482ee63e6ef3f470896dc577fe4a62e2bec2e2d46fd5d9d5fc

          • 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\$$a9119.bat

            Filesize

            722B

            MD5

            e05f4df8278fb02e13049be326d9d8c6

            SHA1

            9854d8ddc10d360e2c67ac4a717e00f5fd71d5c0

            SHA256

            bd0b22e0c0d8530520c6805ce81d76b66ffabf7390584a5d250700cc3dc15352

            SHA512

            fd17b9e1e083e71928b0f9e05a347f956442aa8dc4199e52073aa12e2582bd4f56a13dc6fd96ea55338df06d374fc872d34cc9eca0243c505d4449dc90b7cc82

          • C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe.exe

            Filesize

            108KB

            MD5

            ef3bbd1c0aee0eee1f0b2f333d668c80

            SHA1

            34dd3f05d15664d647a41275f9b65b49a7b2aede

            SHA256

            2656a366623a3bf591cfece748df4d57c2e5c1f968eb651af5f25e91c76f9be7

            SHA512

            e6cb2eaf1ea857346625bf1ee765e177a5f364927915eacdd1175b445e9e32a2e29c89b0ae8fa34057dc50c9701081a3cfb32cbc3f702d367c6cf374a2b5a34c

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            90ec7c50aec83a0f7624ef99fbf56efd

            SHA1

            c27225e22d2b67947763a6807ad30315ca37c7ff

            SHA256

            92980a159169e0859fbea14aeece4d664bd6b190ddae4e0433bb9329a428d3c9

            SHA512

            f916293e2bb72eef430c11bd0567fb656e217147e8069f1ef7a4f3cd5d6b25b52992126ddd88ad6b8dbbc57be1b2ab06892897277f81b03ca34056747d2be96d

          • F:\$RECYCLE.BIN\S-1-5-21-330940541-141609230-1670313778-1000\_desktop.ini

            Filesize

            8B

            MD5

            5db3a6182cd872eaab6e2e7df1096b6c

            SHA1

            3e324dd00c5b4aa1e4bc5176310a642cefbc8c2a

            SHA256

            734417b13fb0508f286fe107625febab857319f967d8c512786c7a45f8c575bf

            SHA512

            2216f82eee3214ae8bcca36317dada5873b818cd0fb23ebab360998fe0a1d1108172a7ea274bd56606f632cea033f347c0913dff9f0538e99edb4641c92d8149

          • memory/1352-32-0x0000000001D10000-0x0000000001D11000-memory.dmp

            Filesize

            4KB

          • memory/2640-1912-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2640-4062-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2640-20-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2640-35-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2892-15-0x0000000000230000-0x0000000000270000-memory.dmp

            Filesize

            256KB

          • memory/2892-17-0x0000000000230000-0x0000000000270000-memory.dmp

            Filesize

            256KB

          • memory/2892-18-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2892-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB