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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/12/2023, 03:30

General

  • Target

    c5ca58a262a5b8e0505c7a45b4c4be0fb0c94b8a13f44c29a28f0178b15af984.exe

  • Size

    7.6MB

  • MD5

    327226474b0a0dbe22ca6730a75b0a4c

  • SHA1

    aa0e0fd326b24b396301b5d6d3b5f528f1487802

  • SHA256

    c5ca58a262a5b8e0505c7a45b4c4be0fb0c94b8a13f44c29a28f0178b15af984

  • SHA512

    3ee9c39ae28c2bd801879bc859bf3b514284d458cb6b6ffb14fb88a2d2b5b7edff72a95bb28229e94c1f59def030ef6a5a1d6ac5aae0a7d8ef53faf5e3a96d8b

  • SSDEEP

    196608:HnnY8NWvGpWTTlm0OxwW+nFnfZsMUdFt30Dzj:HnnY8NELTIrxwlxQWDzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\c5ca58a262a5b8e0505c7a45b4c4be0fb0c94b8a13f44c29a28f0178b15af984.exe
    "C:\Users\Admin\AppData\Local\Temp\c5ca58a262a5b8e0505c7a45b4c4be0fb0c94b8a13f44c29a28f0178b15af984.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Users\Admin\AppData\Local\Temp\is-TUQUG.tmp\c5ca58a262a5b8e0505c7a45b4c4be0fb0c94b8a13f44c29a28f0178b15af984.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TUQUG.tmp\c5ca58a262a5b8e0505c7a45b4c4be0fb0c94b8a13f44c29a28f0178b15af984.tmp" /SL5="$5021A,7715663,68096,C:\Users\Admin\AppData\Local\Temp\c5ca58a262a5b8e0505c7a45b4c4be0fb0c94b8a13f44c29a28f0178b15af984.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1356
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4848
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3892
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3640
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3444
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4060

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\PlayGIF\gifplayer.exe

        Filesize

        128KB

        MD5

        65a01eb02c41a9001a1fbe43ef3bbdb9

        SHA1

        86a7ad270d74eabe231c0dbc148d84c26a5fbdfc

        SHA256

        cd8c1295c6ab3c95fb9e0221a85c9e902403bd0d0386e5365b6ea76654ae0678

        SHA512

        f30717380253ec09c4fd9fcabbeedcd0a5069d009dc0b9f99cdf173af8b015b6c5dda977a7c95e8ec4b6d5f105359132efa7a74420d1165134f7d5f1912ee507

      • C:\Program Files (x86)\PlayGIF\gifplayer.exe

        Filesize

        640KB

        MD5

        48da0fe155df6ec5f18a13441228d83b

        SHA1

        53425118eb4c5995cde70ff02eeda1cdf7a1b07b

        SHA256

        24d5037aa881391d39dea4ab043eeb909d3ced2ea86501827577387b0f945849

        SHA512

        1a799b389df3cfed7b4a2d72b18d9178375a25335e0e16e73229f36c4128aea50bc2cf3206720e7fac4656e20ac798813da8a5559d5fcd0fcd5096d8fa3d63dd

      • C:\Program Files (x86)\PlayGIF\gifplayer.exe

        Filesize

        662KB

        MD5

        507a0ce971f99970ba00f8f985fdd05e

        SHA1

        8a63ce1a10f60c515f248be933dd9d75d576ad52

        SHA256

        cbe0769e0ec99dee54d4c7b1f2ba884e6a578466580a83121a637982083caf55

        SHA512

        bd74177a970fb2db60814dd1844e44dfdf8463d08ad739047c33f34c333d391e3700fda35ccb2430cb1024f70f550c3a716d133d975c280910e44b6bfc3e5672

      • C:\Users\Admin\AppData\Local\Temp\is-TUQUG.tmp\c5ca58a262a5b8e0505c7a45b4c4be0fb0c94b8a13f44c29a28f0178b15af984.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-RB6TR.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-RB6TR.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1356-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1356-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1356-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3640-161-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-191-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-206-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-203-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-158-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-200-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-197-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-194-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-188-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/3640-165-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-166-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-169-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-172-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-175-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-178-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-179-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/3640-184-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3640-187-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3892-154-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3892-151-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3892-152-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/3892-155-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4420-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4420-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4420-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB