Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 21:10

General

  • Target

    b805779bc7ea0540d443d40fcb8bfeac750bac62d3d989e90e0c75e92b6cdbf5.exe

  • Size

    577KB

  • MD5

    78e854681e1d3a897c7e1a32d8154138

  • SHA1

    8c86c373573f432e25b80870cb36dbddfee8fd22

  • SHA256

    b805779bc7ea0540d443d40fcb8bfeac750bac62d3d989e90e0c75e92b6cdbf5

  • SHA512

    0fbb1bea1de300ff06b3a7ddc2bbdcc1f000e2641ef79fa48e7158f10db961cb3d1731265fd3a11b6ef12ebbb34af344c32404b38b84227a881e1db734cd9bbd

  • SSDEEP

    6144:MG5KQE7cV3iwbAFRWAbd4nf0H05yqE6Hl0ChW0+ksllAXBu0lWGWUJJQ4t0BHQQG:MPr7a3iwbihym2g7XO3LWUQfh4Co

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3468
      • C:\Users\Admin\AppData\Local\Temp\b805779bc7ea0540d443d40fcb8bfeac750bac62d3d989e90e0c75e92b6cdbf5.exe
        "C:\Users\Admin\AppData\Local\Temp\b805779bc7ea0540d443d40fcb8bfeac750bac62d3d989e90e0c75e92b6cdbf5.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4160
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:824
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2444
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8750.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2496
            • C:\Users\Admin\AppData\Local\Temp\b805779bc7ea0540d443d40fcb8bfeac750bac62d3d989e90e0c75e92b6cdbf5.exe
              "C:\Users\Admin\AppData\Local\Temp\b805779bc7ea0540d443d40fcb8bfeac750bac62d3d989e90e0c75e92b6cdbf5.exe"
              4⤵
              • Executes dropped EXE
              PID:3804
          • 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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4288
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2740
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3292
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3396
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3620

          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

            616f8c1916ec81484c8aefe8899f7c35

            SHA1

            4e5fc08bd9b2994582dd4f7fc33f544a89bc5fd5

            SHA256

            d00dd083b9e7d238419f3f6d4c9c67489b752d8a44911a7ab4d8e9758ca63919

            SHA512

            f2fc79f30a6eb798d2b8916341014849cf2375d011b14577ef40f13906f44c1bf512203979b3ca8ac544e84e503d2cce93b0c4408f50b05a862996dd49d90fca

          • C:\Program Files\7-Zip\7z.exe

            Filesize

            577KB

            MD5

            78e854681e1d3a897c7e1a32d8154138

            SHA1

            8c86c373573f432e25b80870cb36dbddfee8fd22

            SHA256

            b805779bc7ea0540d443d40fcb8bfeac750bac62d3d989e90e0c75e92b6cdbf5

            SHA512

            0fbb1bea1de300ff06b3a7ddc2bbdcc1f000e2641ef79fa48e7158f10db961cb3d1731265fd3a11b6ef12ebbb34af344c32404b38b84227a881e1db734cd9bbd

          • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

            Filesize

            644KB

            MD5

            f9bda517f882e3c2636d44cfa30c8ef0

            SHA1

            06822afcd175307e76db635fa14c80b4708458ba

            SHA256

            cb3149e29fc3c22b6ed7a427146780eb251e10b54153139535f6999b33037de8

            SHA512

            e6c867020f86944f79cb768de9a01c60c36bbbf2937cf8cecb096ad578d06a2a37a3976665f2063da1e3e3be62ff26b520abe26d442e084e0b496d5ab08e1050

          • C:\Users\Admin\AppData\Local\Temp\$$a8750.bat

            Filesize

            722B

            MD5

            a02a8592ba4565f8e9372d2e19a99fa4

            SHA1

            4f1fff0c8e57165f6c32a7b979bad3092cbb809b

            SHA256

            1bc476ee476b00a234f675633d6f6aac72fed2464656db9f99dc6736f924a3ca

            SHA512

            89ec79b8355750adee562c7a2866373c92180535b446eb63ce0dac7db855515b098b0daed26b976e05d496ad43e47cfda0fc262f140d8f11f73291ea701864e2

          • C:\Users\Admin\AppData\Local\Temp\b805779bc7ea0540d443d40fcb8bfeac750bac62d3d989e90e0c75e92b6cdbf5.exe.exe

            Filesize

            544KB

            MD5

            9a1dd1d96481d61934dcc2d568971d06

            SHA1

            f136ef9bf8bd2fc753292fb5b7cf173a22675fb3

            SHA256

            8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525

            SHA512

            7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            5f4b64deb280c001783cf744b06bef33

            SHA1

            e3962fe8ed4214be0cf4605b5ec6114320949eed

            SHA256

            53f7b777df32f27c60853a9b5d65a8e6f99cddd820daaead05f938239d6bdb35

            SHA512

            ad10ff2e3837acc133e0945e58f1fd3748242506d47694ad4efed6ac22325c7383ced5bc57dec390b3fd09952f5ffaef6946982972d67a969f333573492ed3cd

          • F:\$RECYCLE.BIN\S-1-5-21-553605503-2331009851-2137262461-1000\_desktop.ini

            Filesize

            9B

            MD5

            137c71ab33d39f41d1d0f506748620c6

            SHA1

            615708c800cedc2541589174e6e677e1563367b5

            SHA256

            f1a3a71540f6e454bf800af51e8e8085c233f7281852519bd8b0ae36071f13e0

            SHA512

            cb8e0ffac4c5606dec5cc9ccdb6ac981ed120efc64a4f4750ac59149280da5fb379c2af737bde3d9e23ca21c3ee3fa9e6c252dee9ef22102886e2390c9d504fc

          • memory/4160-10-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4160-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4288-17-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4288-2207-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4288-9-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4288-5653-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4288-8670-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB