Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    22-04-2024 21:19

General

  • Target

    814f3b407e405fa49141fce100527e3f507c8f2151eade1811474dedb51e7fc9.exe

  • Size

    5.7MB

  • MD5

    c34e10dee5409f323017af08a3adb3b0

  • SHA1

    f69c0a1099d6e1c7df2d97022fbc374a9a234727

  • SHA256

    814f3b407e405fa49141fce100527e3f507c8f2151eade1811474dedb51e7fc9

  • SHA512

    0d8edf87c7601368b9d25dda9be0b81152ec8db86b5fd9297f5b85fb32d107262a69860524316a9e316399d9e04bbc930543a57c2eb385beaced6f614eba52ea

  • SSDEEP

    49152:sBBPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTP:s7KUgTH2M2m9UMpu1QfLczqssnKSk

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 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1064
      • C:\Users\Admin\AppData\Local\Temp\814f3b407e405fa49141fce100527e3f507c8f2151eade1811474dedb51e7fc9.exe
        "C:\Users\Admin\AppData\Local\Temp\814f3b407e405fa49141fce100527e3f507c8f2151eade1811474dedb51e7fc9.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2912
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2704
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2888
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a15A3.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            PID:2540
            • C:\Users\Admin\AppData\Local\Temp\814f3b407e405fa49141fce100527e3f507c8f2151eade1811474dedb51e7fc9.exe
              "C:\Users\Admin\AppData\Local\Temp\814f3b407e405fa49141fce100527e3f507c8f2151eade1811474dedb51e7fc9.exe"
              4⤵
              • Executes dropped EXE
              PID:2500
          • 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:2616
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2720
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2456
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2364
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2512

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            484KB

            MD5

            ed07588854ba117151a141b0a96bda37

            SHA1

            78c58f4e85e9d9d4e39c230f1354e183f87bdd9e

            SHA256

            fb97be2678ad28fef1f9f5a651fe12123ebea998adbb7f96b7073612990aa7d8

            SHA512

            45487252c6da9155a3a017c5030425e80dc6fb44d88efd470179f4c9b5b7e91d0785be70d458c5c64247abf2763e514bf07989608f9307084306e65f3d76f579

          • C:\Users\Admin\AppData\Local\Temp\$$a15A3.bat

            Filesize

            722B

            MD5

            a43a292ccceed565220460c943bd6c1f

            SHA1

            37e8f2fa55214492d0d57290dc5ef9d870c6ca4f

            SHA256

            a2973c5c35748fe74853b9567b7bdf1dab8438feb4a2c8828db94ebea62434bc

            SHA512

            4a7bcb69eda44e5517589d38fd0f6b327d430c8483fc4bbb977eabd66a8dea305c3c86111558634f678795cc6e0ab1777e2902df5a6a91facb2360a8e3959ea5

          • C:\Users\Admin\AppData\Local\Temp\814f3b407e405fa49141fce100527e3f507c8f2151eade1811474dedb51e7fc9.exe.exe

            Filesize

            5.7MB

            MD5

            ba18e99b3e17adb5b029eaebc457dd89

            SHA1

            ec0458f3c00d35b323f08d4e1cc2e72899429c38

            SHA256

            f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

            SHA512

            1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

          • C:\Windows\Logo1_.exe

            Filesize

            39KB

            MD5

            f4768631d279965f7060d71d3b9c858f

            SHA1

            2bccced94b3cc81ae22931489a3c8b57c2a6f8df

            SHA256

            c025ab0b3651689d4a9d3e4d8a428b219c887d9ca72532962b812bf4c091beaa

            SHA512

            bc8aabea17286c99265055794fad2831ab11d012d6835a9a2e6974722346c95a300a9610ee704c9b531b29680fdae19bdd1d0e60c889a7c2e2723779b88da891

          • F:\$RECYCLE.BIN\S-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini

            Filesize

            9B

            MD5

            a4e284afce5c2e93b509543e6064da82

            SHA1

            77a7ae3e38b05410dcf335f8abe1df4d7f0b141c

            SHA256

            f4460d1a85b2980fa2b8d329adda0fd330f8157d7afc2d7b1bad62453ff1dfe8

            SHA512

            8f2147ca54c96b0b05bf69a7919b5bf54b20036ba8336f6ba379c2abb0d31139a91d315130040ef1d06450dd624d8a8661396eb082407b8f7455be4d61351821

          • memory/1064-28-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

            Filesize

            4KB

          • memory/2616-32-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2616-20-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2616-3319-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2616-4142-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2912-19-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB

          • memory/2912-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2912-15-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2912-17-0x0000000000230000-0x000000000026D000-memory.dmp

            Filesize

            244KB