Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    18/08/2023, 01:39

General

  • Target

    040c5e40ee70b77f45308c0db5fcfb14a3d2933ae638ef7b3d1e6c9f937c996b.exe

  • Size

    66KB

  • MD5

    b0740d80c3b9d5106fe78701189af31f

  • SHA1

    a269636c61fa84ab72b59a5a06b4e0d7b9cc886c

  • SHA256

    040c5e40ee70b77f45308c0db5fcfb14a3d2933ae638ef7b3d1e6c9f937c996b

  • SHA512

    5af31140dd0766e97e9306ba1c92c5843518977eb09929747a96abf7541fd298ccbd05f70091f33b721150d312d351da2fa11b809ca2f7bfacfa1c8d6ce42c71

  • SSDEEP

    1536:Ai4srz8dOBN9aunrxb4yzwC132n6RbK1A:A48oBN9aulb4yzjRbaA

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 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1340
      • C:\Users\Admin\AppData\Local\Temp\040c5e40ee70b77f45308c0db5fcfb14a3d2933ae638ef7b3d1e6c9f937c996b.exe
        "C:\Users\Admin\AppData\Local\Temp\040c5e40ee70b77f45308c0db5fcfb14a3d2933ae638ef7b3d1e6c9f937c996b.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2776
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2248
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2788
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a8601.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:3044
            • C:\Users\Admin\AppData\Local\Temp\040c5e40ee70b77f45308c0db5fcfb14a3d2933ae638ef7b3d1e6c9f937c996b.exe
              "C:\Users\Admin\AppData\Local\Temp\040c5e40ee70b77f45308c0db5fcfb14a3d2933ae638ef7b3d1e6c9f937c996b.exe"
              4⤵
              • Executes dropped EXE
              PID:2128
          • 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:2852
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2828
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1716
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:984
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2868

          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

            3d85e6d92ac7be70637f958dde2b011e

            SHA1

            de203840649525f16e0bca64ac03d6288a1b7316

            SHA256

            7d1496ae1660972107f77423879bcf3dbd8c4d4feed5690d8a756d1aadc5ded7

            SHA512

            7744e7e7570e10113f07b2f576679642a16269979978edac66a3e311171635dadc407d08533761e97231f77fc37684b6b7aca655b7d6a6d95fd4ac6764e34afd

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

            Filesize

            478KB

            MD5

            f42c7fca4a74677fc3f9dff9c92bc66a

            SHA1

            485aefa513bd7cf9546571c9d5bbfaea2e2aa761

            SHA256

            a762874c0c4e1b60ae4dd0d93778af865eceff9edb71debfc90b7827cec0665f

            SHA512

            afd338ea3b920930eb18853143277705d7a481611d207c732bbaea188e289481c42f80a48af4d2712e823424d993346a01b148aa64583198e4dbf2bf75c791f4

          • C:\Users\Admin\AppData\Local\Temp\$$a8601.bat

            Filesize

            722B

            MD5

            5248b057acd4c8d7b8355226ae077dec

            SHA1

            305109f87f140314b7b39ad4581579aae56f82d6

            SHA256

            d6ab22a6569649b1d29ead12bdc35d01f8f419b5b83083cd29010e542b618f8a

            SHA512

            4c9e1170a86a36e010d4e7cc575043a2572e4cceaac95a044d067ee797cd38791523f51f60702e5aa2faf7afa234a87263ff5eb5ec50edd7296bf509d1f025c4

          • C:\Users\Admin\AppData\Local\Temp\$$a8601.bat

            Filesize

            722B

            MD5

            5248b057acd4c8d7b8355226ae077dec

            SHA1

            305109f87f140314b7b39ad4581579aae56f82d6

            SHA256

            d6ab22a6569649b1d29ead12bdc35d01f8f419b5b83083cd29010e542b618f8a

            SHA512

            4c9e1170a86a36e010d4e7cc575043a2572e4cceaac95a044d067ee797cd38791523f51f60702e5aa2faf7afa234a87263ff5eb5ec50edd7296bf509d1f025c4

          • C:\Users\Admin\AppData\Local\Temp\040c5e40ee70b77f45308c0db5fcfb14a3d2933ae638ef7b3d1e6c9f937c996b.exe

            Filesize

            33KB

            MD5

            52886e1f39689e26425482ee3a448ec2

            SHA1

            ac125f76ce72cc9afb6d45a9d416f414d89aa526

            SHA256

            6ec5438e178d75a9598cc4a56f3a91975537bc7357d42dd7a95b663cc45ecb1c

            SHA512

            f3c4e4513bdd3b420320c38383b7fc41d0d0a16ba023db47cd48ba5803e86103e9ac134cddf9b0d9deef076819784f77bbd8c8c24aef4293bed9803ad3e85508

          • C:\Users\Admin\AppData\Local\Temp\040c5e40ee70b77f45308c0db5fcfb14a3d2933ae638ef7b3d1e6c9f937c996b.exe.exe

            Filesize

            33KB

            MD5

            52886e1f39689e26425482ee3a448ec2

            SHA1

            ac125f76ce72cc9afb6d45a9d416f414d89aa526

            SHA256

            6ec5438e178d75a9598cc4a56f3a91975537bc7357d42dd7a95b663cc45ecb1c

            SHA512

            f3c4e4513bdd3b420320c38383b7fc41d0d0a16ba023db47cd48ba5803e86103e9ac134cddf9b0d9deef076819784f77bbd8c8c24aef4293bed9803ad3e85508

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            4b8d5611897671cb722c88a92fea57cd

            SHA1

            d2bd76334c02d3aff4a8dfe3477162c85f8c14c9

            SHA256

            0a05a55fa316d55995d50de7a9ebcde75cbedee25846d320bffaef1eec6b34a2

            SHA512

            821aaadb27a1d2f0ac1b2fd3c9da43dc65ad00481d18f4a4c660b1bf0065dbe8ba1a736c713c40923b98ad8858f14e5c50efa21530efbe430db54a477b9075a8

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            4b8d5611897671cb722c88a92fea57cd

            SHA1

            d2bd76334c02d3aff4a8dfe3477162c85f8c14c9

            SHA256

            0a05a55fa316d55995d50de7a9ebcde75cbedee25846d320bffaef1eec6b34a2

            SHA512

            821aaadb27a1d2f0ac1b2fd3c9da43dc65ad00481d18f4a4c660b1bf0065dbe8ba1a736c713c40923b98ad8858f14e5c50efa21530efbe430db54a477b9075a8

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            4b8d5611897671cb722c88a92fea57cd

            SHA1

            d2bd76334c02d3aff4a8dfe3477162c85f8c14c9

            SHA256

            0a05a55fa316d55995d50de7a9ebcde75cbedee25846d320bffaef1eec6b34a2

            SHA512

            821aaadb27a1d2f0ac1b2fd3c9da43dc65ad00481d18f4a4c660b1bf0065dbe8ba1a736c713c40923b98ad8858f14e5c50efa21530efbe430db54a477b9075a8

          • C:\Windows\rundl132.exe

            Filesize

            33KB

            MD5

            4b8d5611897671cb722c88a92fea57cd

            SHA1

            d2bd76334c02d3aff4a8dfe3477162c85f8c14c9

            SHA256

            0a05a55fa316d55995d50de7a9ebcde75cbedee25846d320bffaef1eec6b34a2

            SHA512

            821aaadb27a1d2f0ac1b2fd3c9da43dc65ad00481d18f4a4c660b1bf0065dbe8ba1a736c713c40923b98ad8858f14e5c50efa21530efbe430db54a477b9075a8

          • F:\$RECYCLE.BIN\S-1-5-21-4159544280-4273523227-683900707-1000\_desktop.ini

            Filesize

            9B

            MD5

            16548fefb55deef0a354259a11e1cc14

            SHA1

            6e4f38c24333eb1c8bcc91e4e4042ce600a44c4f

            SHA256

            f6d78c8a802bfc4dded630ac9f8d33fb335ab11d45bb742fac993f8d42ea327c

            SHA512

            1fcd0a93c383bf38b97073a84ac50c78149cd1160299e71676fc5a3a6f655affac3a0e2433cf5bc4c145cda0ec44a23d13e1da953e15feefb0b9cefd84204271

          • \Users\Admin\AppData\Local\Temp\040c5e40ee70b77f45308c0db5fcfb14a3d2933ae638ef7b3d1e6c9f937c996b.exe

            Filesize

            33KB

            MD5

            52886e1f39689e26425482ee3a448ec2

            SHA1

            ac125f76ce72cc9afb6d45a9d416f414d89aa526

            SHA256

            6ec5438e178d75a9598cc4a56f3a91975537bc7357d42dd7a95b663cc45ecb1c

            SHA512

            f3c4e4513bdd3b420320c38383b7fc41d0d0a16ba023db47cd48ba5803e86103e9ac134cddf9b0d9deef076819784f77bbd8c8c24aef4293bed9803ad3e85508

          • memory/1340-81-0x0000000002680000-0x0000000002681000-memory.dmp

            Filesize

            4KB

          • memory/2776-69-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2776-85-0x0000000000230000-0x0000000000270000-memory.dmp

            Filesize

            256KB

          • memory/2776-54-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2776-70-0x0000000000230000-0x0000000000270000-memory.dmp

            Filesize

            256KB

          • memory/2852-86-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2852-73-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2852-1852-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2852-4108-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB