Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 22:15

General

  • Target

    b02a31698b1eee1b0cf4afe0e9f847c54bafa7cfbcd2def425aa185e5360da7a.exe

  • Size

    5.7MB

  • MD5

    3fa64239e42ea690cf2805f0b5e1ede9

  • SHA1

    0bb5a03c16bf965bab69e42c366cab407ba4d875

  • SHA256

    b02a31698b1eee1b0cf4afe0e9f847c54bafa7cfbcd2def425aa185e5360da7a

  • SHA512

    11af2196f582d8ae0a36f05bbc8280ee4b8c3af0d4c50d8de5f02d83a25d563fb820840f73000743bc43969a8d52d9fd6133d93cb34dc3e81b474f1435926ab1

  • SSDEEP

    49152:EPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTPBJ:iKUgTH2M2m9UMpu1QfLczqssnKSk

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • 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 20 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3436
      • C:\Users\Admin\AppData\Local\Temp\b02a31698b1eee1b0cf4afe0e9f847c54bafa7cfbcd2def425aa185e5360da7a.exe
        "C:\Users\Admin\AppData\Local\Temp\b02a31698b1eee1b0cf4afe0e9f847c54bafa7cfbcd2def425aa185e5360da7a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3168
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a471B.bat
          3⤵
            PID:968
            • C:\Users\Admin\AppData\Local\Temp\b02a31698b1eee1b0cf4afe0e9f847c54bafa7cfbcd2def425aa185e5360da7a.exe
              "C:\Users\Admin\AppData\Local\Temp\b02a31698b1eee1b0cf4afe0e9f847c54bafa7cfbcd2def425aa185e5360da7a.exe"
              4⤵
              • Executes dropped EXE
              PID:4940
          • 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:2156
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:772
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:428

        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

          254KB

          MD5

          f35eeb93c627f1f86a3833716bd43b6f

          SHA1

          dad2838568e979c1cc11ec0e7d18a869c984842a

          SHA256

          06da7d6de7cc0bf44d747565058bec46c996dcc2d5deb48e48839459718a967b

          SHA512

          1344a5244733f10ff1b23ebfb448fbafb2ea34f613ba3f662699b6bdf581b8cef3a102edeb576bc0035cabd6516cb48e7635f0636dd983c04e2f04d41f7b3a0b

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

          Filesize

          573KB

          MD5

          2da53234db6053ffe2af8d75f963fc07

          SHA1

          4390630c94b4d004dac6b354c5cc9f0d521d1d69

          SHA256

          7416c5b6f98d967768e50e335cf150a09e2550e1e68ecc530c6346342554c4b4

          SHA512

          dd9cab22a1126d20198c7e99c7bd195fee08ed5c4af33ec0d0565428a46f6489ffbc11d78abdb19c3904605ded52d16e790183f0052b7682082f5bb5ae647026

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

          Filesize

          639KB

          MD5

          acd457ec0b598bd9950de37255ce2d30

          SHA1

          7886780402cfc221cd48914ab94f8c6c448597e9

          SHA256

          fd4ebcb132895ef098c047db75cd9477bd628db74dba0083e2597e8525b890ac

          SHA512

          841e948953b31a122ec776c26b0bb4ee5d8b23be96fa8ae0128fb2a4530bb891887f992f5da116613aff87e6bbbbb24a4c72e77e74e505afc43d8dc8f1b97d1b

        • C:\Users\Admin\AppData\Local\Temp\$$a471B.bat

          Filesize

          722B

          MD5

          2f3aa0138ee0abdbab7b8a7f33f9e6e8

          SHA1

          1305b18fb5f3643aef558c96b031bbd00e2654f3

          SHA256

          90d8b42f46d382bf2057626c79682a5de4151b29be3f7afa6e1154816dac77c4

          SHA512

          6dfb16d16b82ae636ff3a0cb0c32b27f1503e50d8c49dd36947123804ddae579a0cae4350f076ffe7452808bd58ffb036c95f30cffccdbb5b964e4e48dba79d4

        • C:\Users\Admin\AppData\Local\Temp\b02a31698b1eee1b0cf4afe0e9f847c54bafa7cfbcd2def425aa185e5360da7a.exe.exe

          Filesize

          5.7MB

          MD5

          ba18e99b3e17adb5b029eaebc457dd89

          SHA1

          ec0458f3c00d35b323f08d4e1cc2e72899429c38

          SHA256

          f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

          SHA512

          1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

        • C:\Windows\Logo1_.exe

          Filesize

          29KB

          MD5

          c5f8315b200df9ab7e42897400c35321

          SHA1

          d0626edbd803f1cfa0f5ce040840b7faa79b6ac6

          SHA256

          e47b4419438d910621f6f96f9d0eb1c8c4c5e2804df7c9c0837081c9ae7e012f

          SHA512

          734c0ae7de718f6bbb85623d639c497af458615e790bbbd656b7142165df8de5d114c62b66831071a7e05684188ca7e8d57f4b545b8ab6846e1c0e3c5edf9a02

        • F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\_desktop.ini

          Filesize

          8B

          MD5

          d970a2bfcaa076939c06270d1a48dec8

          SHA1

          7a558f4d64c3e98bcfd2af83f28e6fbd207a39e1

          SHA256

          bdc6872f9a0a011a670907f0fedad9b88e283c5af545cf9f6bd73c3709967d44

          SHA512

          ea4c16930628455852ce343f8ae248b6df869b8da10b10928ebb802129f73d9761971811de317c7d3121b815340027782ec15d385d1d2d7df8fd0a46b62974c2

        • memory/2156-27-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2156-33-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2156-37-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2156-20-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2156-1232-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2156-13-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2156-4797-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2156-5236-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3168-0-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/3168-8-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB