Windows 7 deprecation

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Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2023, 10:21

General

  • Target

    b0aed24f29b84a824b9e3bb3a84ce386b7c8a25e9a480b29f0b28de023672598.exe

  • Size

    53KB

  • MD5

    2e34dd0ecf1ec0bdafaf10829df52683

  • SHA1

    d52e9d4efdcf6928ee4cbdcb09c518fac51ce42d

  • SHA256

    b0aed24f29b84a824b9e3bb3a84ce386b7c8a25e9a480b29f0b28de023672598

  • SHA512

    3d58dfd45786b2ba1162aecbc1560011fceae1a2d5fe17deef2889f3fa4495517b4c933edc9c69b5106e2ae2e2ecee2d52a47012089d3de95d7f211d0b6d853a

  • SSDEEP

    768:q9n1ODKAaDMG8H92RwZNQSw+JnbmQj3FZJ9Vs9XnsDs+Tw/Y112YbtVYsap3o5vo:o1fgLdQAQfwt7FZJ92BsooAYPJwPo5y7

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1368
      • C:\Users\Admin\AppData\Local\Temp\b0aed24f29b84a824b9e3bb3a84ce386b7c8a25e9a480b29f0b28de023672598.exe
        "C:\Users\Admin\AppData\Local\Temp\b0aed24f29b84a824b9e3bb3a84ce386b7c8a25e9a480b29f0b28de023672598.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2140
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a5216.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2752
          • C:\Users\Admin\AppData\Local\Temp\b0aed24f29b84a824b9e3bb3a84ce386b7c8a25e9a480b29f0b28de023672598.exe
            "C:\Users\Admin\AppData\Local\Temp\b0aed24f29b84a824b9e3bb3a84ce386b7c8a25e9a480b29f0b28de023672598.exe"
            4⤵
            • Executes dropped EXE
            PID:2488
        • 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:2800
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2740
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2556

      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

        251KB

        MD5

        8ce669e0c5c16e39c632994123c0b7ab

        SHA1

        5edcc020a13794046f13bfe895d38fc14851a913

        SHA256

        4dd26f92c626b4b76622575336966f31d944aee9a848de1599072656a176a3ae

        SHA512

        b28a4bca6c759c4fdec69753e7113781d3f025e4b1697ab6a2e1705f40921b35ffe42fd2f858f809c0159789d0884fa416732ced303e5249e617d927f8b8df0d

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

        Filesize

        471KB

        MD5

        1a0dbecba0dbb963c2f3b0448796d47a

        SHA1

        5c0b5d378d3614fe984ce2915b5720886992da0c

        SHA256

        1ea2fb84177a921bc3df4763c3da53a970e192f93f6175d09696ded019e50cf8

        SHA512

        8e25dc08fa6f280a6bc1ccacb1ce665ab055b5d539f8915915fc7536c90185a221cb0c50a02d34b521b871b8487a155b9c40a5f25df87306e1df24ca7e96da25

      • C:\Users\Admin\AppData\Local\Temp\$$a5216.bat

        Filesize

        722B

        MD5

        cb03c6ae0eb9f2e59314203eacd63952

        SHA1

        00d4a755932539525022649abe992fd9dbac0657

        SHA256

        5ad5e368f72d65894bc390b355fccaac0f279d42a6af5be633e8b8eeceec613b

        SHA512

        215d629213dba65c03c5efeddd0b1e29bead511996fda0822acba07e970095328008182a9e55b0a71cc1aa458be850dc5e58dfb7b09559a21f59a44eadf0f6a1

      • C:\Users\Admin\AppData\Local\Temp\$$a5216.bat

        Filesize

        722B

        MD5

        cb03c6ae0eb9f2e59314203eacd63952

        SHA1

        00d4a755932539525022649abe992fd9dbac0657

        SHA256

        5ad5e368f72d65894bc390b355fccaac0f279d42a6af5be633e8b8eeceec613b

        SHA512

        215d629213dba65c03c5efeddd0b1e29bead511996fda0822acba07e970095328008182a9e55b0a71cc1aa458be850dc5e58dfb7b09559a21f59a44eadf0f6a1

      • C:\Users\Admin\AppData\Local\Temp\b0aed24f29b84a824b9e3bb3a84ce386b7c8a25e9a480b29f0b28de023672598.exe

        Filesize

        27KB

        MD5

        827a092884efbae20acbaa713a5c87c5

        SHA1

        3edac2e7b2f1adc6701ccc14a99f8050e73eb7b6

        SHA256

        77ed5d76c4185fa34b444b99859c80d4f5773c4c5a76fecca12abea40f749046

        SHA512

        25943ce74ea644a7e8a1ceb8157008c39475eec97d5f3bb1d73538f33b1a3ca6cd7cb89f81f15a0239bea35999cb949b8854db4c80f0eb2cf3ff0c2243974731

      • C:\Users\Admin\AppData\Local\Temp\b0aed24f29b84a824b9e3bb3a84ce386b7c8a25e9a480b29f0b28de023672598.exe.exe

        Filesize

        27KB

        MD5

        827a092884efbae20acbaa713a5c87c5

        SHA1

        3edac2e7b2f1adc6701ccc14a99f8050e73eb7b6

        SHA256

        77ed5d76c4185fa34b444b99859c80d4f5773c4c5a76fecca12abea40f749046

        SHA512

        25943ce74ea644a7e8a1ceb8157008c39475eec97d5f3bb1d73538f33b1a3ca6cd7cb89f81f15a0239bea35999cb949b8854db4c80f0eb2cf3ff0c2243974731

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        fb302bb3e9a63790b545fbae9cf76e95

        SHA1

        36a3ff29e20e8c6a98e0ed0b62facf588e0de5c1

        SHA256

        e431f29fd728f254e78f03cb50ddea4203ab6863abe479d5cd89127a2a2ef391

        SHA512

        3c7b9db7a7030479e800f51971a223773c249758f4e38cff51214034b207cdcf427005476b3177662060e1d049d23d67627baa0548c16cc4db4236d4126d79b4

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        fb302bb3e9a63790b545fbae9cf76e95

        SHA1

        36a3ff29e20e8c6a98e0ed0b62facf588e0de5c1

        SHA256

        e431f29fd728f254e78f03cb50ddea4203ab6863abe479d5cd89127a2a2ef391

        SHA512

        3c7b9db7a7030479e800f51971a223773c249758f4e38cff51214034b207cdcf427005476b3177662060e1d049d23d67627baa0548c16cc4db4236d4126d79b4

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        fb302bb3e9a63790b545fbae9cf76e95

        SHA1

        36a3ff29e20e8c6a98e0ed0b62facf588e0de5c1

        SHA256

        e431f29fd728f254e78f03cb50ddea4203ab6863abe479d5cd89127a2a2ef391

        SHA512

        3c7b9db7a7030479e800f51971a223773c249758f4e38cff51214034b207cdcf427005476b3177662060e1d049d23d67627baa0548c16cc4db4236d4126d79b4

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        fb302bb3e9a63790b545fbae9cf76e95

        SHA1

        36a3ff29e20e8c6a98e0ed0b62facf588e0de5c1

        SHA256

        e431f29fd728f254e78f03cb50ddea4203ab6863abe479d5cd89127a2a2ef391

        SHA512

        3c7b9db7a7030479e800f51971a223773c249758f4e38cff51214034b207cdcf427005476b3177662060e1d049d23d67627baa0548c16cc4db4236d4126d79b4

      • F:\$RECYCLE.BIN\S-1-5-21-3425689832-2386927309-2650718742-1000\_desktop.ini

        Filesize

        10B

        MD5

        1ac6500de33f973231298e1a1e1e7b38

        SHA1

        ab3a765fb39e758f638f6b49a841300ec61ff961

        SHA256

        f1e760f9e9b5eaeaa02cb5ca5dfc3ef6a19147a66053ed02ac52b7e2ce05a050

        SHA512

        25253907de7da7ecca0a76dfd1fb864992bc6bc092f29efb789ec2ad4d70aba377e0e28b4f64f602818ba9aefa83dc3454f07c58efdb90f38e0831354ce53f37

      • \Users\Admin\AppData\Local\Temp\b0aed24f29b84a824b9e3bb3a84ce386b7c8a25e9a480b29f0b28de023672598.exe

        Filesize

        27KB

        MD5

        827a092884efbae20acbaa713a5c87c5

        SHA1

        3edac2e7b2f1adc6701ccc14a99f8050e73eb7b6

        SHA256

        77ed5d76c4185fa34b444b99859c80d4f5773c4c5a76fecca12abea40f749046

        SHA512

        25943ce74ea644a7e8a1ceb8157008c39475eec97d5f3bb1d73538f33b1a3ca6cd7cb89f81f15a0239bea35999cb949b8854db4c80f0eb2cf3ff0c2243974731

      • memory/1368-29-0x0000000002210000-0x0000000002211000-memory.dmp

        Filesize

        4KB

      • memory/2140-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2140-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2140-12-0x00000000001B0000-0x00000000001E4000-memory.dmp

        Filesize

        208KB

      • memory/2140-18-0x00000000001B0000-0x00000000001E4000-memory.dmp

        Filesize

        208KB

      • memory/2140-39-0x00000000001B0000-0x00000000001E4000-memory.dmp

        Filesize

        208KB

      • memory/2800-45-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2800-91-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2800-97-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2800-220-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2800-1850-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2800-38-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2800-3310-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2800-31-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB