Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-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
  • 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:3504
      • 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:716
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2472
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3596
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a398E.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2500
            • C:\Users\Admin\AppData\Local\Temp\cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b.exe
              "C:\Users\Admin\AppData\Local\Temp\cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b.exe"
              4⤵
              • Executes dropped EXE
              PID:228
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops file in Drivers directory
            • 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:2860
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4928
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4716
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2460
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:4828

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

            Filesize

            577KB

            MD5

            cd0da8079d030260e29eb9bc8dbe4f34

            SHA1

            0e5f49eb2a9a598947488406233dfaa7decb4729

            SHA256

            cf5203aaf7334124db34e06d07bc8774ccb27e3dc727b664f4b831c821812a2b

            SHA512

            f1c872e107ff95b920a4c6f4b3ae005e4ee4d8acb89f95ae371a8d7d829c857845dc7eb29cd3dad10770e1b292f2852b43e728972bcfc29004ccd762a9c66f38

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

            Filesize

            644KB

            MD5

            51c1eb02821359551eae62ff451ccbb4

            SHA1

            917e11eb8a26a033a330a9cee5c5207d0da1109a

            SHA256

            9afbb3fd781ea931d8bc856c768fe7af7e440e9f7a29950b5dca44593f0ef04f

            SHA512

            062f0c32d3d9b46fc670512a818c88919bcc90a2f7f5bd4910f917a96c42527fd6c28117c366cb66cd6bfa3ec64f5a43aadcaa4bdad01c8d45eb2bfe2c85f5ee

          • C:\Users\Admin\AppData\Local\Temp\$$a398E.bat

            Filesize

            722B

            MD5

            a36cd2cb7298de598000644e7dffbdbb

            SHA1

            00b9f009645856c44cb7c3105a91474523dabcc3

            SHA256

            d7248eb833762aa02ae160be1a1ffddf4e4d2f822c003179bb1b41cf0083448f

            SHA512

            1d62556dec0f069ea9d1015c7942a45bb810498d9e179fba54ff8a8011a3f42e54f3c5acf026b0d883dd93fe2ced787ad88e7f3025a01108373fc5e0c328c2aa

          • 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

            842B

            MD5

            6f4adf207ef402d9ef40c6aa52ffd245

            SHA1

            4b05b495619c643f02e278dede8f5b1392555a57

            SHA256

            d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

            SHA512

            a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

          • F:\$RECYCLE.BIN\S-1-5-21-1132431369-515282257-1998160155-1000\_desktop.ini

            Filesize

            9B

            MD5

            7ef570b2b21e58fd906ef1a980d64425

            SHA1

            18502489f652e74f8972bbfa100d5c163d719ab7

            SHA256

            c3ce1b9216b58ac7d9ed3b93e5e3a1d6a2473b53b5bc1f008a621def49517055

            SHA512

            e1175d861a79d62b85cd18661375f1c956dcc97e958765dc225f3aa4b0f0100ca9e17b9c61f5e18fc2a96e5167c0563f60645033aff1be1ec2f372c1b9a8b35f

          • memory/716-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/716-9-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2860-19-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2860-12-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2860-2925-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2860-8650-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB