Analysis

  • max time kernel
    149s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-05-2024 11:14

General

  • Target

    3495d27401013ce5551acf50047d5c693b61726b14c76a6fd3276908ecd7c357.exe

  • Size

    491KB

  • MD5

    ae5aec86c1e568ece28903b28433aaef

  • SHA1

    1261465bf86126aba8bbcfbfdd42ef941da16ee0

  • SHA256

    3495d27401013ce5551acf50047d5c693b61726b14c76a6fd3276908ecd7c357

  • SHA512

    c9033a578b261d0c61a16170c20aa91d2cb7512df7c151b0fed280e7cd2352a52f11f74687ee63c9cda6c875bafbdefd8c91ac977466905ce5b05343173dac17

  • SSDEEP

    6144:Sf46tGdye41Uz1gL5pRTMTTjMkId/BynSx7dEe6XwzRaktNP08NhKs39zo43fTtT:+3Nb81gL5pRTcAkS/3hzN8qE43fm78V

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:3484
      • C:\Users\Admin\AppData\Local\Temp\3495d27401013ce5551acf50047d5c693b61726b14c76a6fd3276908ecd7c357.exe
        "C:\Users\Admin\AppData\Local\Temp\3495d27401013ce5551acf50047d5c693b61726b14c76a6fd3276908ecd7c357.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3664
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4348
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2272
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3A1B.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4812
            • C:\Users\Admin\AppData\Local\Temp\3495d27401013ce5551acf50047d5c693b61726b14c76a6fd3276908ecd7c357.exe
              "C:\Users\Admin\AppData\Local\Temp\3495d27401013ce5551acf50047d5c693b61726b14c76a6fd3276908ecd7c357.exe"
              4⤵
              • Executes dropped EXE
              PID:980
          • 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:4612
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3572
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3248
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3552
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:3616

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

            Filesize

            251KB

            MD5

            4f94f3ade75bab5f0ce707a2c16efa1e

            SHA1

            4a9bdce2f030222991abf2706e3d7e2e3de87d31

            SHA256

            2c6328d6b4867c931b1f7653f25864e42ea86df09c0cda07831a13a6f50c7d94

            SHA512

            2d8879306d852a85028772ed6a195efb0ca6c6cef5aef58f23e003296288d639c43d2f04a199f2530b8e47e245a9eb338c436592a5ca88bb95e5d692c2b6de11

          • C:\Program Files\UnblockPush.exe

            Filesize

            844KB

            MD5

            f5bfb992e7d1f2413584432e11e9b8dd

            SHA1

            2fe77288d3ad24c215304190b839593bd373b673

            SHA256

            a29866d709019bebc7c2f0f59fd69108c777cf924e4fa67f86639728ffbcb5b5

            SHA512

            653f071a7295e13b22aa37b643dd1bcbed70d5e610afc28e0a7bb28b7fd58414e060cb6c833b34ec12c3d753a63677c1d7ce42f72afdc1647fe66b6bf5dae28b

          • 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\$$a3A1B.bat

            Filesize

            722B

            MD5

            89646d7b8e804ba014a47abdc26e98d4

            SHA1

            e46bb8ca6c9c5013a35d17d88073af2399cfcd0d

            SHA256

            c8f2ce66102f29c639fe42ff37853e97d057e9a41ca4b719677ce82462438446

            SHA512

            e993537478908e60939be6deb77ef733dcd65ce572ea0a68954328e7a86a625885e520161907559773338028fcc4b2ee2a1f4cdda7a076d8e275bba8d83992b7

          • C:\Users\Admin\AppData\Local\Temp\3495d27401013ce5551acf50047d5c693b61726b14c76a6fd3276908ecd7c357.exe.exe

            Filesize

            458KB

            MD5

            619f7135621b50fd1900ff24aade1524

            SHA1

            6c7ea8bbd435163ae3945cbef30ef6b9872a4591

            SHA256

            344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

            SHA512

            2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

          • 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-1-5-21-2818691465-3043947619-2475182763-1000\_desktop.ini

            Filesize

            8B

            MD5

            35a8ee2041a708d5071bff39818311c3

            SHA1

            31114ee16a39b8ada4130a94c1c36ed74a563d2a

            SHA256

            b2405b086204a9155a2dabf58717e53695089ece5d0af208cb960473ba350f8b

            SHA512

            f17fa8c794a47b0134ac4d8e83010e8dce1a0f2ab74a400c571d6470737e386f4eb1351be6c5b153dc063c49d333b69ddf67871d2e0ffb3c02d243be0015f1f0

          • memory/3664-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3664-9-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/4612-19-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/4612-11-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/4612-3096-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/4612-8734-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB