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Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    25/04/2024, 06:19

General

  • Target

    cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b.exe

  • Size

    577KB

  • MD5

    cd0da8079d030260e29eb9bc8dbe4f34

  • SHA1

    0e5f49eb2a9a598947488406233dfaa7decb4729

  • SHA256

    cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b

  • SHA512

    f1c872e107ff95b920a4c6f4b3ae005e4ee4d8acb89f95ae371a8d7d829c857845dc7eb29cd3dad10770e1b292f2852b43e728972bcfc29004ccd762a9c66f38

  • SSDEEP

    6144:Sf46tGdye419E7cV3iwbAFRWAbd4nf0H05yqE6Hl0ChW0+ksllAXBu0lWGWUJJQC:+3NbI7a3iwbihym2g7XO3LWUQfh4Co

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • 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 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1084
      • C:\Users\Admin\AppData\Local\Temp\cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b.exe
        "C:\Users\Admin\AppData\Local\Temp\cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2872
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2316
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2904
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a195A.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2544
            • C:\Users\Admin\AppData\Local\Temp\cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b.exe
              "C:\Users\Admin\AppData\Local\Temp\cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b.exe"
              4⤵
              • Executes dropped EXE
              PID:2500
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • 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:2604
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2548
              • 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:2536
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2512

          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

            82db094480878229391119e2daa623da

            SHA1

            e51a3eeef5a340d4854f95d321a0f7bbf2bb151b

            SHA256

            8e5056345931b7919fa3b3b7d46b10e8ec8e4188ffa6da28a62325061ea139a6

            SHA512

            cc4d27f0d7618e07cf4496b7f6ec554a557a8c9944986a383ce003c78963013101a1f7449632cdf8669dd17269a743ab49250a46eed8f78dfc7db363d8eecee3

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

            Filesize

            478KB

            MD5

            0a2f7bc5d2f3b1abbf852f12ac72d39f

            SHA1

            3ed5d15e03f4a79247638844b8e938794445bfde

            SHA256

            c2eadf7bc1b2c55782d5307c4bfdc59f4c900494b9a624e199c675b582a13d7c

            SHA512

            8c47195b5c79359b6e7c5088d1a2c757ce6a1f16dd61c4c4d0bb7baafba4135c7a64541ce7a3af55b65f83af3df2677ff6f63f9c80fdfb1f7696d54c4609d63d

          • C:\Users\Admin\AppData\Local\Temp\$$a195A.bat

            Filesize

            722B

            MD5

            f5758a63ec5cc64cef31c646b1612c38

            SHA1

            055237b9f5a2213c6190ad550e12a5e1bd7501d2

            SHA256

            4df1c474a956ca8b2ebe8e0ed46ec91d5f4605309a5f699bb13a17167027513f

            SHA512

            64b2ba09c47a60e57e23eacc55e96edc743214d69b78741a42ef4a619e5f15351b359156b2302cd51702b54c361d22638f746a56b3595ca14136cff00b24b699

          • C:\Users\Admin\AppData\Local\Temp\cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b.exe.exe

            Filesize

            544KB

            MD5

            9a1dd1d96481d61934dcc2d568971d06

            SHA1

            f136ef9bf8bd2fc753292fb5b7cf173a22675fb3

            SHA256

            8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525

            SHA512

            7ac1581f8a29e778ba1a1220670796c47fa5b838417f8f635e2cb1998a01515cff3ee57045dacb78a8ec70d43754b970743aba600379fe6d9481958d32d8a5aa

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            beb8ef622f9b59e1fbe24c77c2a4d0c2

            SHA1

            1d1560dd34ca71ecf721711b91b81cc3ceff0469

            SHA256

            a13c71d4050c4b76a86757d3d3dec5a0f3d5ebf1de2979a5d5b74fcd60f23ed1

            SHA512

            e06c0219fbe6df369a21aae4b16b6f14a261b5416bf6543b096382f8fa80a3a60b5f2793b3c818238a345a960ae315c288e3d378e83fef05817ba2ef58843532

          • C:\Windows\system32\drivers\etc\hosts

            Filesize

            832B

            MD5

            7e3a0edd0c6cd8316f4b6c159d5167a1

            SHA1

            753428b4736ffb2c9e3eb50f89255b212768c55a

            SHA256

            1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

            SHA512

            9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

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

            Filesize

            9B

            MD5

            7ef570b2b21e58fd906ef1a980d64425

            SHA1

            18502489f652e74f8972bbfa100d5c163d719ab7

            SHA256

            c3ce1b9216b58ac7d9ed3b93e5e3a1d6a2473b53b5bc1f008a621def49517055

            SHA512

            e1175d861a79d62b85cd18661375f1c956dcc97e958765dc225f3aa4b0f0100ca9e17b9c61f5e18fc2a96e5167c0563f60645033aff1be1ec2f372c1b9a8b35f

          • memory/1084-29-0x00000000024D0000-0x00000000024D1000-memory.dmp

            Filesize

            4KB

          • memory/2604-33-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2604-21-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2604-3280-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2604-4105-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2872-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2872-17-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2872-20-0x0000000000230000-0x000000000026E000-memory.dmp

            Filesize

            248KB