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Analysis

  • max time kernel
    143s
  • max time network
    133s
  • platform
    windows10-1703_x64
  • resource
    win10-20231025-en
  • resource tags

    arch:x64arch:x86image:win10-20231025-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 23:02

General

  • Target

    81465fa442af0742f0752df5855fe470b6e40320d70482e9d40b8d9df550a8a3.exe

  • Size

    7.6MB

  • MD5

    3d264dd6d3508a6532d1e84284d7e7da

  • SHA1

    01fdd0bff2cd3ae849180c2038e76c89426a48d1

  • SHA256

    81465fa442af0742f0752df5855fe470b6e40320d70482e9d40b8d9df550a8a3

  • SHA512

    8e84cde9612f1873d46acff202b19716e8b8933e2ddc5d72d063c4ae681e7b5e2f0490ca9174484e6f069303d7461af6159e491d365ac77a5bd462a84f6cbee6

  • SSDEEP

    196608:cnnY8NWvGpWTTlm0OxwW+nFnfZsMUdFt30Dzj:cnnY8NELTIrxwlxQWDzj

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\81465fa442af0742f0752df5855fe470b6e40320d70482e9d40b8d9df550a8a3.exe
    "C:\Users\Admin\AppData\Local\Temp\81465fa442af0742f0752df5855fe470b6e40320d70482e9d40b8d9df550a8a3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Users\Admin\AppData\Local\Temp\is-30P3E.tmp\81465fa442af0742f0752df5855fe470b6e40320d70482e9d40b8d9df550a8a3.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-30P3E.tmp\81465fa442af0742f0752df5855fe470b6e40320d70482e9d40b8d9df550a8a3.tmp" /SL5="$901F0,7715663,68096,C:\Users\Admin\AppData\Local\Temp\81465fa442af0742f0752df5855fe470b6e40320d70482e9d40b8d9df550a8a3.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4040
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4604
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:8
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:5028
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4312
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:2624

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.9MB

        MD5

        f19572d4303fbeee4d52ca897384c146

        SHA1

        021f42a06e0c562430c732883730957568e003a5

        SHA256

        964fedc9c225e7d67a8cf7258ee8961f56b2b513a7817c214149b7149ce91556

        SHA512

        cc034fc199bf6806191ec6f654382d281c50e2103590893f365f7bf383642d0c1936bcfd39f165474de6934bff38ec313c95adff1c58e4bcfea9786a42829bb0

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

        Filesize

        1.7MB

        MD5

        0f0f047512b17f7a525bb89a868f56cb

        SHA1

        ae3728c2cb68d535c1679f6de41801afb4166662

        SHA256

        493cc5dd653d0cb776467d77608a8720af0442b8b3f3d14d18d03429318adca3

        SHA512

        b20fb2e096503ac98eb44989ddfbe61e807a4bc000e606e95682b8f3fac0cea903f1b5ba33c0af5069f9be56b107d1ee48c24e63774b63534f22a2221bbfb91f

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

        Filesize

        2.5MB

        MD5

        e355143050a5d29b48db253aa0fc3703

        SHA1

        c7b3fd771ac7411102541cea03f68b0b606b092b

        SHA256

        17ada3e58c3103c36eb76f08248034a8ec6e619dc545896d022063edb0300165

        SHA512

        e6421be69ae85d7f64ffd9f9179dddd019a9c361ee9f237da223156b55b100cc1772bef7e7f61d784b92bf8c0bdde18338af6e08463161e5d0b165d2fe6409b1

      • C:\Users\Admin\AppData\Local\Temp\is-30P3E.tmp\81465fa442af0742f0752df5855fe470b6e40320d70482e9d40b8d9df550a8a3.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-T65I1.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-T65I1.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/8-150-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/8-151-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/8-153-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/8-154-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/4040-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4040-6-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4040-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4972-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4972-159-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/5028-161-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-179-0x00000000008E0000-0x000000000097E000-memory.dmp

        Filesize

        632KB

      • memory/5028-157-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-165-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-166-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-169-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-172-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-175-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-178-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-158-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-184-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-187-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-190-0x00000000008E0000-0x000000000097E000-memory.dmp

        Filesize

        632KB

      • memory/5028-191-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-194-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-197-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-200-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-204-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB

      • memory/5028-207-0x0000000000400000-0x000000000068F000-memory.dmp

        Filesize

        2.6MB