Analysis

  • max time kernel
    150s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-06-2024 15:33

General

  • Target

    c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe

  • Size

    141KB

  • MD5

    5d286964101a08da4bdddb94c98d8861

  • SHA1

    f8d8358262018930ac3ecd82af1cccb826518877

  • SHA256

    c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a

  • SHA512

    b5f57f7d4ea8a3db3e3f80ff38fb27437c1c25eca60ebdd7a1e739a6236d56a161fd77cc3e2fa7d422d8910601e9ff7f8ac29c7413de5779d64eb8c1dc85c53d

  • SSDEEP

    3072:/BC8ulMXaKSsRYHKreCC0XUq2yiqzv6z4AXrB4APHCv:lG5KlYHKreQ32hlBG

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 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe
        "C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4256
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4952
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a50FE.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4992
            • C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe
              "C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe"
              4⤵
              • Executes dropped EXE
              PID:5040
          • 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:4148
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:412
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2912
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1188
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2220

          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

            a250aa2897bf08c76a4de6de8562286e

            SHA1

            2dfca956f87c670477e8b3d31bd0664018ca0219

            SHA256

            65b18c4626b691c78ebd76f4f497f4f54e0dfde43371102719087cbda44e1c69

            SHA512

            004dca009b53b4b3040fbb84eff848b984fc94ae377c316bfaefe47c648ef826e346202088c656482ee63e6ef3f470896dc577fe4a62e2bec2e2d46fd5d9d5fc

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

            Filesize

            577KB

            MD5

            f5cd4b8afd67e658b3c7be2094267c91

            SHA1

            f0a872a7092451484947ff716abed2114961440f

            SHA256

            4176f538c619fa1306a09a4235aacb6136a0de4809ab9d74b2f5cb1d70aeced6

            SHA512

            cfcb3632926135612b478f7f152d7d8ace706889f648c617450ec4af53c93108f167e787b3d7ff22eac8845dc908000cd7658e1ae7c399429da08a63f3808df7

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

            Filesize

            644KB

            MD5

            11e0853d537d2721ecc655c1fc527e91

            SHA1

            c8e23d103e93073ba7c93374878ae9a9f926c944

            SHA256

            f168cda7cfa0f4f1d8dc26f615772410afe41b43fbc3da3cfe2c249b1eadca30

            SHA512

            3e5af85789e480d355053e9ded02108ae53136aec795d5d37faf1d5426275f7f3729e5583b0a95b3434d5b4452c7382405c0f8bc94e8a65275335c62268e0ee2

          • C:\Users\Admin\AppData\Local\Temp\$$a50FE.bat

            Filesize

            722B

            MD5

            c846981b565e50c178a03f08710f6a6f

            SHA1

            b6b4fc5c86244387dca18e0fd96d0434bdd00880

            SHA256

            867077d305c04dbf662bacf2a0c909975fb5fda225b74d504f98ccf9096e7d74

            SHA512

            3b666418a47b7ac8a22898375dc88bc7523ccc85b0ff50accd339190e3552070038ac28f902b8bf964787a1b0566f98020cf23dc897d814f70ec00f9525fdf8d

          • C:\Users\Admin\AppData\Local\Temp\c8c3cbd4d90c3f42240d9403a46bac552afb23e88f7a32eb1806a966d66ef52a.exe.exe

            Filesize

            108KB

            MD5

            ef3bbd1c0aee0eee1f0b2f333d668c80

            SHA1

            34dd3f05d15664d647a41275f9b65b49a7b2aede

            SHA256

            2656a366623a3bf591cfece748df4d57c2e5c1f968eb651af5f25e91c76f9be7

            SHA512

            e6cb2eaf1ea857346625bf1ee765e177a5f364927915eacdd1175b445e9e32a2e29c89b0ae8fa34057dc50c9701081a3cfb32cbc3f702d367c6cf374a2b5a34c

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            90ec7c50aec83a0f7624ef99fbf56efd

            SHA1

            c27225e22d2b67947763a6807ad30315ca37c7ff

            SHA256

            92980a159169e0859fbea14aeece4d664bd6b190ddae4e0433bb9329a428d3c9

            SHA512

            f916293e2bb72eef430c11bd0567fb656e217147e8069f1ef7a4f3cd5d6b25b52992126ddd88ad6b8dbbc57be1b2ab06892897277f81b03ca34056747d2be96d

          • F:\$RECYCLE.BIN\S-1-5-21-3571316656-3665257725-2415531812-1000\_desktop.ini

            Filesize

            8B

            MD5

            5db3a6182cd872eaab6e2e7df1096b6c

            SHA1

            3e324dd00c5b4aa1e4bc5176310a642cefbc8c2a

            SHA256

            734417b13fb0508f286fe107625febab857319f967d8c512786c7a45f8c575bf

            SHA512

            2216f82eee3214ae8bcca36317dada5873b818cd0fb23ebab360998fe0a1d1108172a7ea274bd56606f632cea033f347c0913dff9f0538e99edb4641c92d8149

          • memory/1884-10-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1884-0-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4148-18-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4148-4758-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4148-11-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/4148-8707-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB