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Analysis

  • max time kernel
    143s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 11:48

General

  • Target

    ed82222b0e073b05ffe8b00273e032aebf83ced33adcc3e888c2a150f2f16915.exe

  • Size

    6.9MB

  • MD5

    e38bb6f48cbeeb755e7f3b8b9968d00a

  • SHA1

    5072f5343350537d2ab56996fc9c8ee687ce9651

  • SHA256

    ed82222b0e073b05ffe8b00273e032aebf83ced33adcc3e888c2a150f2f16915

  • SHA512

    c7957accbc3f53658a5266aceb4678767bbefc08dfde1b72664029c286d9534b70e0d3f763d8093b0e08bdcc4d20a659b55fc5fbbefae207000ef02c0358fc36

  • SSDEEP

    196608:eW0fKLtr95HARqIrmVY8S50UL8Kj8yTwHvWY3Nzj:etO/hAPmVNyEWeNzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed82222b0e073b05ffe8b00273e032aebf83ced33adcc3e888c2a150f2f16915.exe
    "C:\Users\Admin\AppData\Local\Temp\ed82222b0e073b05ffe8b00273e032aebf83ced33adcc3e888c2a150f2f16915.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\is-PBEV1.tmp\ed82222b0e073b05ffe8b00273e032aebf83ced33adcc3e888c2a150f2f16915.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PBEV1.tmp\ed82222b0e073b05ffe8b00273e032aebf83ced33adcc3e888c2a150f2f16915.tmp" /SL5="$8020E,6973457,68096,C:\Users\Admin\AppData\Local\Temp\ed82222b0e073b05ffe8b00273e032aebf83ced33adcc3e888c2a150f2f16915.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4588
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2220
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2204
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4576
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4604
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:3712

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1.2MB

        MD5

        be7d098b189910853724ab31670f80c8

        SHA1

        839bdbe78d4bde5f5b6a6e87ccff1919d28c3f77

        SHA256

        a21c0d2c7abd2a6f2cc64e71ef622ab750184393750267c39b2a9b90b673546f

        SHA512

        cc44c18f8e4c609ed3a40a15af7f5c5b059c7e849a034cc135ded5750f2a412744b16b853f0c9456a777a4962e0ee2e975a5f246c0f45f18eff60cce3dc30e6a

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1.8MB

        MD5

        11793f6b69b2df9823a26f0356c191da

        SHA1

        ee7d551f6bcdd993f338a73fbef8e4f2a7e072fd

        SHA256

        ee80b4359afed08948ef90984bb846e18ef2ba254253322d6a7d64b60654fb3a

        SHA512

        c482e23f88615c1ca6b44a097c909ccf763f1158c9bd1a8689c1a6590cbc2717f3dd0173a14b582076fe57d00ab50e900caae650a0f6f90d917215a843473b3d

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        659KB

        MD5

        42b16a3a204fd65b08be5990f930d987

        SHA1

        d9572fb8c4457e56ca6c3dbe333d800b6c3df22e

        SHA256

        5f59b4eacf406a269d9463c5e8a0f48210bfe35a7f0155696362e1948f35b8e8

        SHA512

        761af3b7f5638d4fdc0af84b2d5b0ffe42103b086ba5ace3f3c270b5000d824c0352f8d3cbbf58291aaabd7a8f9e628ae2e5b357a6240c93fccc02857a970145

      • C:\Users\Admin\AppData\Local\Temp\is-PBEV1.tmp\ed82222b0e073b05ffe8b00273e032aebf83ced33adcc3e888c2a150f2f16915.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-4AJ9Q.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-4AJ9Q.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2204-150-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2204-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2204-153-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2204-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2724-158-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/2724-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4576-183-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-178-0x00000000007B0000-0x000000000084E000-memory.dmp

        Filesize

        632KB

      • memory/4576-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-160-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-164-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-165-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-168-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-171-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-174-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-177-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-187-0x00000000007B0000-0x000000000084E000-memory.dmp

        Filesize

        632KB

      • memory/4576-190-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4576-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/4588-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4588-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4588-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB