Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
  • 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:3472
      • 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:836
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:752
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1260
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4882.bat
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2468
            • C:\Users\Admin\AppData\Local\Temp\8cec4d595be46302cab935e68b275aa07d1bd4989fb05290c12563c15e2dabf1.exe
              "C:\Users\Admin\AppData\Local\Temp\8cec4d595be46302cab935e68b275aa07d1bd4989fb05290c12563c15e2dabf1.exe"
              4⤵
              • Executes dropped EXE
              PID:692
          • 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:3964
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:740
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4148
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4144
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:1420

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

            Filesize

            577KB

            MD5

            52b929e3308c6c5cf1e9366799ba774d

            SHA1

            73367e44a6aeb30f38c053492485ccc88f3f96b9

            SHA256

            1371f108190c128f882a8babd65e575855c16a158530163f97d4aaec08204a3a

            SHA512

            074eb6f7224979654bf1f5239a9b46a4a30ce8a17c3e47b3f38902cffdbb4c394facbe948d6b0b7f99077483708f8bc03aa40fb1ddba2c18033d52719ac47baa

          • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

            Filesize

            488KB

            MD5

            15137620fba9c2013dfa9107be4321d5

            SHA1

            31c790632ae19274fc2ed7e1615458324bc199bd

            SHA256

            37cf90de70064c0ecf765ae35e8b0cf412c90cca2aaa2513cfba95b408b4e604

            SHA512

            e2cbb59ec77cb009bf1b0d8d398c0898e65380858d33afb58e6ffc762842526f097d112369200cda95f015f5aa75e5af88810e2f2e174e0d1600cb6ec22a77e3

          • C:\Users\Admin\AppData\Local\Temp\$$a4882.bat

            Filesize

            722B

            MD5

            210c3f985b07bcf56938c81065d7c162

            SHA1

            3977cf1be08774e18947a62bef22f8a7e01cebf9

            SHA256

            d471416b5e7b2e6d4edd40f2ecb46d291442ae64235e9fb20a9ae52306f6b0e0

            SHA512

            adbdb34fd04518be17e5c7893cd12fd24660a6a7c34c86edc420cf6402d91f43410d9c8776c5acde27de9a8e37e4fc9f26a7109697c8098be7be56afc33ba62b

          • 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

            842B

            MD5

            6f4adf207ef402d9ef40c6aa52ffd245

            SHA1

            4b05b495619c643f02e278dede8f5b1392555a57

            SHA256

            d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

            SHA512

            a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

          • F:\$RECYCLE.BIN\S-1-5-21-983155329-280873152-1838004294-1000\_desktop.ini

            Filesize

            8B

            MD5

            331b730a7f1adbf1f0bc05e0c610f0f1

            SHA1

            2f2283f84f040fbd4ecf99055026b70bb3b732ec

            SHA256

            2d3dbb80989e5cc7ef9ef800cc986bb8dccf4ca1f78437040bccd59312a55593

            SHA512

            16790117c382e66c8af2932ed0c37229ae5ee6b8bbaa8bd4e3f9afed6e07cd89c5807c81145f19f561ab714d844826cf6099a6dc97d84fa3f9da5e763bcc78c4

          • memory/836-0-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/836-9-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3964-19-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3964-12-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3964-1836-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/3964-8606-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB