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Analysis

  • max time kernel
    158s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 06:49

General

  • Target

    3b893a8c2772b1f36a77320430e9908fdb3077a8fd61f8f8dc21cd846b863dd8.exe

  • Size

    2.8MB

  • MD5

    faf05f39c25cedd88c2cb19c6f5d0b96

  • SHA1

    84e52cb8dad24548627f34564a6b903786d4e742

  • SHA256

    3b893a8c2772b1f36a77320430e9908fdb3077a8fd61f8f8dc21cd846b863dd8

  • SHA512

    fdb12c779b30152401bdcd8d010710fe29c2b66e4881af90f023875756673de2e6e2a129cda1007911548eda69cf59cd8ae219d5bf44da7b588f3bfc1d3d8627

  • SSDEEP

    49152:9C6gLKJuMarhVnMFwTH8/giBiBcbk4ZxZ2DqFeVMhuxcPh:9Hd1XdhBiiMa7

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1224
      • C:\Users\Admin\AppData\Local\Temp\3b893a8c2772b1f36a77320430e9908fdb3077a8fd61f8f8dc21cd846b863dd8.exe
        "C:\Users\Admin\AppData\Local\Temp\3b893a8c2772b1f36a77320430e9908fdb3077a8fd61f8f8dc21cd846b863dd8.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1160
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2788
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2160
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$aABF8.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            PID:2632
            • C:\Users\Admin\AppData\Local\Temp\3b893a8c2772b1f36a77320430e9908fdb3077a8fd61f8f8dc21cd846b863dd8.exe
              "C:\Users\Admin\AppData\Local\Temp\3b893a8c2772b1f36a77320430e9908fdb3077a8fd61f8f8dc21cd846b863dd8.exe"
              4⤵
              • Executes dropped EXE
              PID:2552
          • 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:2776
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2140
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2684
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2572
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2536

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            478KB

            MD5

            6a7cc95aa1f89e674ceaaf0e47468f09

            SHA1

            a8f49c8c41db5f5aba73ae18aa8db02e7b628b1e

            SHA256

            5cf0a795012be80cd03b3032a945dbbba00126929f4a7dab4fa7e73b3c825ff6

            SHA512

            631814996b48d9d0dc6c4898c1813c1f9aa007102de18c9a30ae027c959831acceb76d732b25a207155f18b750045adb2f75fdfb33232b917b1395d94a73ca61

          • C:\Users\Admin\AppData\Local\Temp\$$aABF8.bat

            Filesize

            722B

            MD5

            1adc95cb0ace3c2e938cb0050a30a955

            SHA1

            9fe800c6dd0a35d7cd7c53f97be86feddce25dc5

            SHA256

            5aae6d189cd49eef356efad1cbeb197469f9723f47974974c07e0d077feb247d

            SHA512

            6c71b5f2ae35243552f8bfb420ab69f2a327155c4866484db800e6e2b93e7e879cc31b0f6131f9857a987ccc1309151e96e71dd8094bb75c086dda25fe2d710c

          • C:\Users\Admin\AppData\Local\Temp\$$aABF8.bat

            Filesize

            722B

            MD5

            1adc95cb0ace3c2e938cb0050a30a955

            SHA1

            9fe800c6dd0a35d7cd7c53f97be86feddce25dc5

            SHA256

            5aae6d189cd49eef356efad1cbeb197469f9723f47974974c07e0d077feb247d

            SHA512

            6c71b5f2ae35243552f8bfb420ab69f2a327155c4866484db800e6e2b93e7e879cc31b0f6131f9857a987ccc1309151e96e71dd8094bb75c086dda25fe2d710c

          • C:\Users\Admin\AppData\Local\Temp\3b893a8c2772b1f36a77320430e9908fdb3077a8fd61f8f8dc21cd846b863dd8.exe

            Filesize

            2.8MB

            MD5

            095092f4e746810c5829038d48afd55a

            SHA1

            246eb3d41194dddc826049bbafeb6fc522ec044a

            SHA256

            2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

            SHA512

            7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

          • C:\Users\Admin\AppData\Local\Temp\3b893a8c2772b1f36a77320430e9908fdb3077a8fd61f8f8dc21cd846b863dd8.exe.exe

            Filesize

            2.8MB

            MD5

            095092f4e746810c5829038d48afd55a

            SHA1

            246eb3d41194dddc826049bbafeb6fc522ec044a

            SHA256

            2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

            SHA512

            7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            93c7e83acc68e02f68b2dc2c6dc904a9

            SHA1

            c505471fbc1e6884cd40dd319ad9f0be37814041

            SHA256

            951df8bd05592efb598d024d201df816305756441d740396e33f6afeee19f8b8

            SHA512

            78fbd979100c4ed8824a62cedf3e2d43b0bc6d7ea5378bc7c066cfdc1cab184ca99786e2e88c466c84af93c292eee777c6b10f5d7940b3637d8e46a32fda88af

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            93c7e83acc68e02f68b2dc2c6dc904a9

            SHA1

            c505471fbc1e6884cd40dd319ad9f0be37814041

            SHA256

            951df8bd05592efb598d024d201df816305756441d740396e33f6afeee19f8b8

            SHA512

            78fbd979100c4ed8824a62cedf3e2d43b0bc6d7ea5378bc7c066cfdc1cab184ca99786e2e88c466c84af93c292eee777c6b10f5d7940b3637d8e46a32fda88af

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            93c7e83acc68e02f68b2dc2c6dc904a9

            SHA1

            c505471fbc1e6884cd40dd319ad9f0be37814041

            SHA256

            951df8bd05592efb598d024d201df816305756441d740396e33f6afeee19f8b8

            SHA512

            78fbd979100c4ed8824a62cedf3e2d43b0bc6d7ea5378bc7c066cfdc1cab184ca99786e2e88c466c84af93c292eee777c6b10f5d7940b3637d8e46a32fda88af

          • C:\Windows\rundl132.exe

            Filesize

            33KB

            MD5

            93c7e83acc68e02f68b2dc2c6dc904a9

            SHA1

            c505471fbc1e6884cd40dd319ad9f0be37814041

            SHA256

            951df8bd05592efb598d024d201df816305756441d740396e33f6afeee19f8b8

            SHA512

            78fbd979100c4ed8824a62cedf3e2d43b0bc6d7ea5378bc7c066cfdc1cab184ca99786e2e88c466c84af93c292eee777c6b10f5d7940b3637d8e46a32fda88af

          • F:\$RECYCLE.BIN\S-1-5-21-686452656-3203474025-4140627569-1000\_desktop.ini

            Filesize

            10B

            MD5

            a592e6708558f3dc0ad1608608da69c5

            SHA1

            69a1224ba3b2f2ab2f2ce8b8287809f3282d20d0

            SHA256

            24c83924da516d8acac4cdc96680306f1e34a8a54696bf5bf24106eeb562195a

            SHA512

            38724fff525de3d5b413bb962c2f81369068403f761f69d00f25cd03b5d8cb83603cd6d23c87faf458f157acf585ca4db031fe6640704a4158cb5ead56ce79f1

          • \Users\Admin\AppData\Local\Temp\3b893a8c2772b1f36a77320430e9908fdb3077a8fd61f8f8dc21cd846b863dd8.exe

            Filesize

            2.8MB

            MD5

            095092f4e746810c5829038d48afd55a

            SHA1

            246eb3d41194dddc826049bbafeb6fc522ec044a

            SHA256

            2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

            SHA512

            7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

          • memory/1160-19-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1160-17-0x00000000001C0000-0x00000000001FD000-memory.dmp

            Filesize

            244KB

          • memory/1160-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/1160-12-0x00000000001C0000-0x00000000001FD000-memory.dmp

            Filesize

            244KB

          • memory/1224-28-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

            Filesize

            4KB

          • memory/2776-20-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2776-245-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2776-2527-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2776-32-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2776-3286-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2776-3383-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2776-4052-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB