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Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 13:08

General

  • Target

    2d2f489c71d1eb74d578b571bc4754a0ab6496e1a63e2b423926dd567841983f.exe

  • Size

    6.9MB

  • MD5

    303c4e9f96fe247ea92ef9a2616743c6

  • SHA1

    773c21fde429fa802e01241a4ad77363f4316ffc

  • SHA256

    2d2f489c71d1eb74d578b571bc4754a0ab6496e1a63e2b423926dd567841983f

  • SHA512

    de1c98adfbb36755819fa844dabbd56e0eb5a155c8177c228cdee49e26616decd537c0900902cdda19d9276824072947d6bb1a697edf5a3ecff61467552c97c4

  • SSDEEP

    196608:qbw61woT7mRIc+DaTblZEZTXuNkrAk8TQNY0pzj:qbw61woTCR9+OTbl0Zo/Gzj

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\2d2f489c71d1eb74d578b571bc4754a0ab6496e1a63e2b423926dd567841983f.exe
    "C:\Users\Admin\AppData\Local\Temp\2d2f489c71d1eb74d578b571bc4754a0ab6496e1a63e2b423926dd567841983f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4260
    • C:\Users\Admin\AppData\Local\Temp\is-8N70K.tmp\2d2f489c71d1eb74d578b571bc4754a0ab6496e1a63e2b423926dd567841983f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8N70K.tmp\2d2f489c71d1eb74d578b571bc4754a0ab6496e1a63e2b423926dd567841983f.tmp" /SL5="$501FA,6958728,68096,C:\Users\Admin\AppData\Local\Temp\2d2f489c71d1eb74d578b571bc4754a0ab6496e1a63e2b423926dd567841983f.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3048
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2548
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:832
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4748
          • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
            "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
            3⤵
            • Executes dropped EXE
            PID:2396

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1.8MB

        MD5

        623c23318b55457c180a25cbe1d018a0

        SHA1

        2a39e078aa8bd59830a15512bbbc290f123c5d5d

        SHA256

        20ed846ab88a3a7810d0a6917e22cb3fc99fecb7cd553713516f6c51ef91d5b2

        SHA512

        696bd466e3bfebe13eb3870c220388f58b4b521a2babed01a87b5c1cd362bfb607e84353e508e58223a231cf02c72cbb088a677f71879c88914d980ada1dff3f

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

        Filesize

        471KB

        MD5

        a0b64d3b37fd0b2041c133e84ced6165

        SHA1

        74d409bcc406dbf791180feafa6b947cfc6ede5f

        SHA256

        c0d93f1e64014ac978ae309d8b536a60abeefb58628ed51daddaece67d2ff185

        SHA512

        bd579d39e89522fc956745122cbed9005ae4a0b750c45b2dbe864908aa9d5f892c4d316609a9156b5bb3402865c00cde7725f11c49c4a56ccea0fe130f579d32

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

        Filesize

        542KB

        MD5

        c5e962ad7919b6429fa9c0f374926312

        SHA1

        95a6cf94130049307f4760e45c192aebedc95ae2

        SHA256

        bb93efa7ba3cfee6b430f85cbd653d0c2a0e193468a1b07f1f26ec0cd5132af9

        SHA512

        e011d5b29cf056922d70e565f321a7c22cdb0fe8d66eca18f09e5722f433d357ef44e4c058710c5d79b109921cab1b4c8eda9a6d031351b2ad2c3512297caaad

      • C:\Users\Admin\AppData\Local\Temp\is-8N70K.tmp\2d2f489c71d1eb74d578b571bc4754a0ab6496e1a63e2b423926dd567841983f.tmp

        Filesize

        70KB

        MD5

        a563d7acaa8860b92e76278118f23d28

        SHA1

        cd05312e7a3f13651e7578a7ed25ecdb44653e40

        SHA256

        bf132e4e30f66b26da92f563839f5437b0e24ac08d28254193d94b19cb2c4db0

        SHA512

        74e42f81e5ca40e780b74d2a897c372780ee681883f0e318502372eb395984bc79c7a98d2c31443ceb206a517a1423194cbe4b34af9b2ee1a68653c82050ca9a

      • C:\Users\Admin\AppData\Local\Temp\is-8N70K.tmp\2d2f489c71d1eb74d578b571bc4754a0ab6496e1a63e2b423926dd567841983f.tmp

        Filesize

        52KB

        MD5

        3413d65e1db0270f1e3f4d586db30a1f

        SHA1

        832ead9246c88083162498bcb6b12ec4e06bb2fa

        SHA256

        50a0aa4c91fe83caadf72ac698ce345f28ea4e0190aa6d24f53e378e3eb04ae7

        SHA512

        cc778eb77c3258d6aee3ace97bf7eb66998700f4f34531fdb98ff0ba88591459f21ea421e7398dc36decdb4b9b28820fa9557d19cccb1aac41b8f9471dd1f613

      • \Users\Admin\AppData\Local\Temp\is-73N88.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-73N88.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2396-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-190-0x0000000000730000-0x00000000007CE000-memory.dmp

        Filesize

        632KB

      • memory/2396-203-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-199-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-196-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-183-0x0000000000730000-0x00000000007CE000-memory.dmp

        Filesize

        632KB

      • memory/2396-158-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-209-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-193-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-206-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-161-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-189-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-186-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2396-178-0x0000000000730000-0x00000000007CE000-memory.dmp

        Filesize

        632KB

      • memory/2396-182-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2548-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2548-165-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2548-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/2548-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3056-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3056-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3056-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4260-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4260-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4260-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB