Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    24/10/2023, 08:32

General

  • Target

    74fa27f3ec6bf34051a71f7c1d65b0fab0fe42e57dadcacd937ea6992b2e156a.exe

  • Size

    7.3MB

  • MD5

    b239ed02e6f2c9f404dea34088896a15

  • SHA1

    1d773e1716eab4ab19922840e6277f98880d187b

  • SHA256

    74fa27f3ec6bf34051a71f7c1d65b0fab0fe42e57dadcacd937ea6992b2e156a

  • SHA512

    2a9e8bc99548e1901144ba6363bd4b9e5b277c0b54ad65b036b7d6fba72be850b3f114ae93c011e9caa86ff149709ad3db7c865d69ec454b3f3491f8669c862f

  • SSDEEP

    98304:amB9OWBVClfcaA1oZeSajfztbVCGQX4bME4bP8nQgMVQNKe5AJbI8D:ag9OHi1oZepfxUGGNQNKe

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1368
      • C:\Users\Admin\AppData\Local\Temp\74fa27f3ec6bf34051a71f7c1d65b0fab0fe42e57dadcacd937ea6992b2e156a.exe
        "C:\Users\Admin\AppData\Local\Temp\74fa27f3ec6bf34051a71f7c1d65b0fab0fe42e57dadcacd937ea6992b2e156a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2516
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a6690.bat
          3⤵
          • Deletes itself
          PID:2080
        • 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:2856
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2768
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2816

      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

              409b908151c60777cb30074aaa6b9c3a

              SHA1

              7caf4283327f3dac66db0ddce3b48a865de2b6f6

              SHA256

              706c9afae7d90be57e059a249a7401280e54fc07e22e137710eb322c40b1b511

              SHA512

              efbb88d749cccadeed792f16d0ab13a9ff47c662eb0f27ec2a161b810d787fb1d848b87da62de7b77ce5f890829f4eadf63c2ee39963367d521998829835f259

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

              Filesize

              474KB

              MD5

              683b92ed9a7815ba566ea5750f489c6e

              SHA1

              489e66c67780380506f54f7fda32a7b9e98d5d70

              SHA256

              87f7a6e091d82bc6f773b756acf5f239100db9f6b931f29c6847480fa3365b5e

              SHA512

              86346fe0faffdfc6af5f4bcdc4bda683c65fb7f8879976a87767f0a26efdeb8e656c0577124f9259a3b21faa74b29fc73ea0a005d7425fc9822e00eca4e8f679

            • C:\Users\Admin\AppData\Local\Temp\$$a6690.bat

              Filesize

              722B

              MD5

              71c2bfe0724031a8efcb27ed9ba478ea

              SHA1

              cc1528357888db0b73419ff1a62ee1d7dc752b13

              SHA256

              5ece861c4d4232cb9c8a1bbeb56a824d735ae0c94c6bf5ccf760d8147ec4d827

              SHA512

              eb622926edb1125547e0dd6e750138b99a2a57efc2749d334cad22bdb9e29313859fdf449e38de3e49cec8e1bb13a8a237892e62eae3f3813deea9e07297a1a0

            • C:\Users\Admin\AppData\Local\Temp\$$a6690.bat

              Filesize

              722B

              MD5

              71c2bfe0724031a8efcb27ed9ba478ea

              SHA1

              cc1528357888db0b73419ff1a62ee1d7dc752b13

              SHA256

              5ece861c4d4232cb9c8a1bbeb56a824d735ae0c94c6bf5ccf760d8147ec4d827

              SHA512

              eb622926edb1125547e0dd6e750138b99a2a57efc2749d334cad22bdb9e29313859fdf449e38de3e49cec8e1bb13a8a237892e62eae3f3813deea9e07297a1a0

            • C:\Users\Admin\AppData\Local\Temp\74fa27f3ec6bf34051a71f7c1d65b0fab0fe42e57dadcacd937ea6992b2e156a.exe.exe

              Filesize

              7.3MB

              MD5

              172b6d29b3cdcdf2b0b14332eb216161

              SHA1

              7534c39aecd8a968c8cdf34db4cb388d999a3065

              SHA256

              3bb1c042bf917e6577be28edce3243628e9ce4245e9abbc2cc0196ccca26630c

              SHA512

              71e4e14c689974821c0bb80637a53cd5234df0111b809612ac810846fe2ba9d288da20141455b984dd842c8343166f807f8da51e74b66fbe3aec181db72806ce

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              b09b4b69692dfd845037b1444775e9cd

              SHA1

              4e5e5e156cf58d106f00ad03c0c8447e63f7ac03

              SHA256

              bf110258cb30a69df094871b49d77deac998dc61f6f483db5e78b810c4d7e3d4

              SHA512

              957c905aab4afe1843f81ca4728989f92d3f6323d53536d9f1d59be7879493ad48ee62a26d2376cabd57a81df04e7fd2160cf8a2bc9aef7a8d405429d2518972

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              b09b4b69692dfd845037b1444775e9cd

              SHA1

              4e5e5e156cf58d106f00ad03c0c8447e63f7ac03

              SHA256

              bf110258cb30a69df094871b49d77deac998dc61f6f483db5e78b810c4d7e3d4

              SHA512

              957c905aab4afe1843f81ca4728989f92d3f6323d53536d9f1d59be7879493ad48ee62a26d2376cabd57a81df04e7fd2160cf8a2bc9aef7a8d405429d2518972

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              b09b4b69692dfd845037b1444775e9cd

              SHA1

              4e5e5e156cf58d106f00ad03c0c8447e63f7ac03

              SHA256

              bf110258cb30a69df094871b49d77deac998dc61f6f483db5e78b810c4d7e3d4

              SHA512

              957c905aab4afe1843f81ca4728989f92d3f6323d53536d9f1d59be7879493ad48ee62a26d2376cabd57a81df04e7fd2160cf8a2bc9aef7a8d405429d2518972

            • C:\Windows\rundl132.exe

              Filesize

              29KB

              MD5

              b09b4b69692dfd845037b1444775e9cd

              SHA1

              4e5e5e156cf58d106f00ad03c0c8447e63f7ac03

              SHA256

              bf110258cb30a69df094871b49d77deac998dc61f6f483db5e78b810c4d7e3d4

              SHA512

              957c905aab4afe1843f81ca4728989f92d3f6323d53536d9f1d59be7879493ad48ee62a26d2376cabd57a81df04e7fd2160cf8a2bc9aef7a8d405429d2518972

            • F:\$RECYCLE.BIN\S-1-5-21-2084844033-2744876406-2053742436-1000\_desktop.ini

              Filesize

              10B

              MD5

              c7c7f47ac39a3689aa42e8b5b71256b9

              SHA1

              86fc39cae818841361deba9669378c5d3098e716

              SHA256

              104d6c8b7720b39014273428b8df0d6c10d1dd58a67e3247c7e103a51ecebf6a

              SHA512

              ef9f8e4c486c35a536d422945da4d40cdf9f6de0550488dedbd106991b7f5efdfeb7c2e9fd36573e4ced48608dd16547022304b588f6b4a9fcf79380f364d7c0

            • memory/1368-62-0x0000000002600000-0x0000000002601000-memory.dmp

              Filesize

              4KB

            • memory/2080-56-0x00000000021C0000-0x00000000021C1000-memory.dmp

              Filesize

              4KB

            • memory/2516-16-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2516-0-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2516-12-0x0000000001DA0000-0x0000000001DD6000-memory.dmp

              Filesize

              216KB

            • memory/2856-67-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2856-128-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2856-129-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2856-134-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2856-249-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2856-1886-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2856-81-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2856-3346-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/2856-75-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB