Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 17:58

General

  • Target

    8cec4d595be46302cab935e68b275aa07d1bd4989fb05290c12563c15e2dabf1.exe

  • Size

    93KB

  • MD5

    08bcf0df6b84711e9beea3d56b2c7980

  • SHA1

    236484c2cc770445cb857022e926207870ac35b0

  • SHA256

    8cec4d595be46302cab935e68b275aa07d1bd4989fb05290c12563c15e2dabf1

  • SHA512

    9e8fd5993a8dd62e2cc59dceb570770c482766b54eb7be7237d0132abfcdf8a5608562ccb91d84457fe9d2b98372e1fc4ea7bfed554ac8af3366fad3cf540373

  • SSDEEP

    1536:PVaYzMXqtGNttyUn01Q78a4Rqyapmebn4ddJZeY86iLflLJYEIs67rxo:PVaY46tGNttyJQ7KR/LK4ddJMY86ipmU

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:1124
      • C:\Users\Admin\AppData\Local\Temp\8cec4d595be46302cab935e68b275aa07d1bd4989fb05290c12563c15e2dabf1.exe
        "C:\Users\Admin\AppData\Local\Temp\8cec4d595be46302cab935e68b275aa07d1bd4989fb05290c12563c15e2dabf1.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2132
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2444
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2636
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a197A.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2572
            • C:\Users\Admin\AppData\Local\Temp\8cec4d595be46302cab935e68b275aa07d1bd4989fb05290c12563c15e2dabf1.exe
              "C:\Users\Admin\AppData\Local\Temp\8cec4d595be46302cab935e68b275aa07d1bd4989fb05290c12563c15e2dabf1.exe"
              4⤵
              • Executes dropped EXE
              PID:2728
          • 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:2588
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2672
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2640
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2944
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2476

          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

            196e80c6461b51a75560df3e57cfbd9a

            SHA1

            3dd1bb9835e97f093efe4ffd8c078d8fa3d4ef7f

            SHA256

            dee2cf210ee5f75549462b7cb03674155eb011190c77e332d53edcf655bcc237

            SHA512

            00a3d357b589b85a644c78558fd8eff80832cec119f8d4976f7248ce2521dbe331078129ec35af26ec18d182daad55812e3d57f2f9b73615762a37ac2fc15798

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

            Filesize

            478KB

            MD5

            e93193856beaecee9905e2a6f36be17f

            SHA1

            d4c267ea34f28f048e29461656984aad70912eda

            SHA256

            1d345f4e09acdbc12e63ce90d0bd373b56d50a378f4603d8425f6df815e44a7b

            SHA512

            1fbe9c0e86ad98d6a2a7924badec0fffc69a7d0a4839e8af45d0aedf1e4e24a4a798df0ec5b8d0aa6e0e566c0c83a4030549bd32b9ac27406fc772d4a2ff5fc3

          • C:\Users\Admin\AppData\Local\Temp\$$a197A.bat

            Filesize

            722B

            MD5

            6782331e44cd7ae64aebaeda9fb8a1d9

            SHA1

            db2540093a53efbdc854325de30e7421701da3bc

            SHA256

            14efdbba88d210ab750fe004db164b24ff9f05f510fbb48411ecf9d7b944faa1

            SHA512

            e62f23e0edd5abb80ac65688481501defa2f423f6441c049f93a3c4aa08da0a87ee9f3013400a9acb0327343df47d401dac048785f91289767fbad685b886986

          • C:\Users\Admin\AppData\Local\Temp\8cec4d595be46302cab935e68b275aa07d1bd4989fb05290c12563c15e2dabf1.exe.exe

            Filesize

            59KB

            MD5

            dfc18f7068913dde25742b856788d7ca

            SHA1

            cbaa23f782c2ddcd7c9ff024fd0b096952a2b387

            SHA256

            ff4ac75c02247000da084de006c214d3dd3583867bd3533ba788e22734c7a2bf

            SHA512

            d0c7ec1dae41a803325b51c12490c355ed779d297daa35247889950491e52427810132f0829fc7ffa3022f1a106f4e4ba78ed612223395313a6f267e9ab24945

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            0e8792b58f9237e03516447b7048d63c

            SHA1

            6f28494f0766ee470bbced1fe79fb10e5fee8252

            SHA256

            7e4e7447ce04580a3af3a9bf90810712d6daebc0ced6c6856eae22771ac50956

            SHA512

            6b935debde1916d7b1f2239ac3534c1f1585406c0d5f1060fdb356253cfab2fe9c716fd7ad05f20b9b3bb222307f15ae1b88e9062c7282d570b523150364e8a5

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

            Filesize

            832B

            MD5

            7e3a0edd0c6cd8316f4b6c159d5167a1

            SHA1

            753428b4736ffb2c9e3eb50f89255b212768c55a

            SHA256

            1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

            SHA512

            9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

          • F:\$RECYCLE.BIN\S-1-5-21-2248906074-2862704502-246302768-1000\_desktop.ini

            Filesize

            8B

            MD5

            331b730a7f1adbf1f0bc05e0c610f0f1

            SHA1

            2f2283f84f040fbd4ecf99055026b70bb3b732ec

            SHA256

            2d3dbb80989e5cc7ef9ef800cc986bb8dccf4ca1f78437040bccd59312a55593

            SHA512

            16790117c382e66c8af2932ed0c37229ae5ee6b8bbaa8bd4e3f9afed6e07cd89c5807c81145f19f561ab714d844826cf6099a6dc97d84fa3f9da5e763bcc78c4

          • memory/1124-29-0x0000000002D30000-0x0000000002D31000-memory.dmp

            Filesize

            4KB

          • memory/2132-16-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2132-18-0x0000000000440000-0x000000000047E000-memory.dmp

            Filesize

            248KB

          • memory/2132-35-0x0000000000440000-0x000000000047E000-memory.dmp

            Filesize

            248KB

          • memory/2132-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2588-33-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2588-21-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2588-3281-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/2588-4104-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB