Analysis

  • max time kernel
    2s
  • max time network
    10s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2023 08:46

General

  • Target

    8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.exe

  • Size

    1.3MB

  • MD5

    0dc6ccbce2a064132dd5674157e5b7c7

  • SHA1

    7e082f0f8d08b94fac8e5f89da7998c7552c8507

  • SHA256

    8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e

  • SHA512

    a8184d0e8d1c5d0c94570f6523554cee617d5cec9d955ea38d06d347c8b167792bc83e9c8716c4cc55ad43409efc55f5e186fa4a720ffe8ad4fdb6d697e6151b

  • SSDEEP

    24576:e7f2UHT+4Zi8Qopici4gpSqnbz5xfyASahVXqV6aOdCsWh88YaXag:e7f2++4w8TptyHnbz5fS6XqV6a4CsWYA

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 20 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 3 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.exe
    "C:\Users\Admin\AppData\Local\Temp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aE222.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3348
      • C:\Users\Admin\AppData\Local\Temp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.exe
        "C:\Users\Admin\AppData\Local\Temp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1896
        • C:\Users\Admin\AppData\Local\Temp\is-N2P7J.tmp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-N2P7J.tmp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.tmp" /SL5="$C003C,1084492,53248,C:\Users\Admin\AppData\Local\Temp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.exe"
          4⤵
          • Executes dropped EXE
          PID:4624
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3276
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3828
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
            PID:5112

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\$$aE222.bat

      Filesize

      722B

      MD5

      3a114c6b2df4b02985e4390a728cc205

      SHA1

      4541689a19fd71db86e7b6224e01db5555b01ffd

      SHA256

      c0e83919ccd1b11078c2b615d34f4e7bdbfd5aae729f3a97c86113a070816134

      SHA512

      a6e8e772cd6ec80214db6b45f7cac2d8c44499b57d3dd2ce2130de744ae03ab2381f3fe0949ab23b890948ac1a8db107933ff6498d2a4d23a51205e364e31f15

    • C:\Users\Admin\AppData\Local\Temp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.exe

      Filesize

      1.3MB

      MD5

      1b9e019f5999b56e2231d1d2542f75f9

      SHA1

      9e38f15d1c458293d514c4797d36de379549211c

      SHA256

      ddf4cbb96b00b6ec558de523ce3fc5f7bf2c7c18384517d5f1d050f1e35d6bdf

      SHA512

      16c5ef5c9eeffe8117f3617f2738aa6524592f0797e6a1d539bbbb5a6a5b9f1f0ea1dd5e9c41ede5bfcb8817731cc4d080be4abe0b726d60b132897e08a635b2

    • C:\Users\Admin\AppData\Local\Temp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.exe.exe

      Filesize

      1.3MB

      MD5

      1b9e019f5999b56e2231d1d2542f75f9

      SHA1

      9e38f15d1c458293d514c4797d36de379549211c

      SHA256

      ddf4cbb96b00b6ec558de523ce3fc5f7bf2c7c18384517d5f1d050f1e35d6bdf

      SHA512

      16c5ef5c9eeffe8117f3617f2738aa6524592f0797e6a1d539bbbb5a6a5b9f1f0ea1dd5e9c41ede5bfcb8817731cc4d080be4abe0b726d60b132897e08a635b2

    • C:\Users\Admin\AppData\Local\Temp\is-N2P7J.tmp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.tmp

      Filesize

      669KB

      MD5

      52950ac9e2b481453082f096120e355a

      SHA1

      159c09db1abcee9114b4f792ffba255c78a6e6c3

      SHA256

      25fbc88c7c967266f041ae4d47c2eae0b96086f9e440cca10729103aee7ef6cd

      SHA512

      5b61c28bbcaedadb3b6cd3bb8a392d18016c354c4c16e01395930666addc95994333dfc45bea1a1844f6f1585e79c729136d3714ac118b5848becde0bdb182ba

    • C:\Users\Admin\AppData\Local\Temp\is-N2P7J.tmp\8b583044a4762ebcbe44d07ed6f0c5f3c804b38fa62df3c3bde147636cb8ba3e.tmp

      Filesize

      669KB

      MD5

      52950ac9e2b481453082f096120e355a

      SHA1

      159c09db1abcee9114b4f792ffba255c78a6e6c3

      SHA256

      25fbc88c7c967266f041ae4d47c2eae0b96086f9e440cca10729103aee7ef6cd

      SHA512

      5b61c28bbcaedadb3b6cd3bb8a392d18016c354c4c16e01395930666addc95994333dfc45bea1a1844f6f1585e79c729136d3714ac118b5848becde0bdb182ba

    • C:\Windows\Logo1_.exe

      Filesize

      26KB

      MD5

      8f05c081e198827d9c8abe69c3d35c62

      SHA1

      314dab16c5d26bd815f2c0eafd52ce2718ad24e6

      SHA256

      a25a78c65d46af9ef2e7bd5334f7f964e00640041131293b705531474b14ca02

      SHA512

      15364d28aaf53b3a92392ab318ad24f00399b08ba744c5fb625aad45f011dbd893b6542dee5285ccbc872f5e6356f77026086c0bfd7325988581cedddeae1aa4

    • C:\Windows\Logo1_.exe

      Filesize

      26KB

      MD5

      8f05c081e198827d9c8abe69c3d35c62

      SHA1

      314dab16c5d26bd815f2c0eafd52ce2718ad24e6

      SHA256

      a25a78c65d46af9ef2e7bd5334f7f964e00640041131293b705531474b14ca02

      SHA512

      15364d28aaf53b3a92392ab318ad24f00399b08ba744c5fb625aad45f011dbd893b6542dee5285ccbc872f5e6356f77026086c0bfd7325988581cedddeae1aa4

    • C:\Windows\rundl132.exe

      Filesize

      26KB

      MD5

      8f05c081e198827d9c8abe69c3d35c62

      SHA1

      314dab16c5d26bd815f2c0eafd52ce2718ad24e6

      SHA256

      a25a78c65d46af9ef2e7bd5334f7f964e00640041131293b705531474b14ca02

      SHA512

      15364d28aaf53b3a92392ab318ad24f00399b08ba744c5fb625aad45f011dbd893b6542dee5285ccbc872f5e6356f77026086c0bfd7325988581cedddeae1aa4

    • memory/1812-0-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/1812-8-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/1896-18-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/3276-9-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB