Analysis

  • max time kernel
    156s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2023 01:32

General

  • Target

    a2a11e331b51ecaa3dbf2f660f56e3d989bdbfdb38e22a54bf439ee7e3c6b883.exe

  • Size

    7.5MB

  • MD5

    ad5cfc1c6be3e53fc69a75138d554837

  • SHA1

    05a6d1065b031677a29eeecc905dea3678746510

  • SHA256

    a2a11e331b51ecaa3dbf2f660f56e3d989bdbfdb38e22a54bf439ee7e3c6b883

  • SHA512

    556b110bb383c7b48be84391ecfb5b88cc37b549bc17d27d3b1638fdad47deed45ea21f22871fcf6119a11751f627ff5d7fa6353e4c70afe30ffd882644c4e92

  • SSDEEP

    196608:hpVDDR8SZqepbLqwjKpDf/NIpEpDqfBrT0/WViLFfzj:hpVBtvpbL/+vVYBrTTefzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\a2a11e331b51ecaa3dbf2f660f56e3d989bdbfdb38e22a54bf439ee7e3c6b883.exe
    "C:\Users\Admin\AppData\Local\Temp\a2a11e331b51ecaa3dbf2f660f56e3d989bdbfdb38e22a54bf439ee7e3c6b883.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4372
    • C:\Users\Admin\AppData\Local\Temp\is-J43QD.tmp\a2a11e331b51ecaa3dbf2f660f56e3d989bdbfdb38e22a54bf439ee7e3c6b883.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-J43QD.tmp\a2a11e331b51ecaa3dbf2f660f56e3d989bdbfdb38e22a54bf439ee7e3c6b883.tmp" /SL5="$8021C,7565670,68096,C:\Users\Admin\AppData\Local\Temp\a2a11e331b51ecaa3dbf2f660f56e3d989bdbfdb38e22a54bf439ee7e3c6b883.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3872
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3952
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -i
          3⤵
          • Executes dropped EXE
          PID:544
        • C:\Program Files (x86)\PlayGIF\gifplayer.exe
          "C:\Program Files (x86)\PlayGIF\gifplayer.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3480
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3176
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 11
            4⤵
              PID:4756

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.4MB

        MD5

        5dc562b448f045f90df473f00220930c

        SHA1

        ac09da3a60faea29363e8c770aeb70ad1a7b3800

        SHA256

        c19876e6b58393dce4bb3bdbcfa11d30c94b5cacf935816e9ea1ba9b36ed2ba9

        SHA512

        5e3cfbb880d7722042001db0306792d87da2bea6bacadff171032591ba1ed628ee27b6fbe2c066f44df30209c83bd4cbfb3ae5fb748b43d2761c243462d812ed

      • C:\Users\Admin\AppData\Local\Temp\is-B4GP1.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-B4GP1.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-J43QD.tmp\a2a11e331b51ecaa3dbf2f660f56e3d989bdbfdb38e22a54bf439ee7e3c6b883.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/544-152-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/544-155-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/544-153-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/544-150-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-162-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-192-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-205-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-157-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-159-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-202-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-198-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-195-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-166-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-168-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-171-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-174-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-177-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-179-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-184-0x0000000000810000-0x00000000008AE000-memory.dmp

        Filesize

        632KB

      • memory/3480-189-0x0000000000400000-0x0000000000666000-memory.dmp

        Filesize

        2.4MB

      • memory/3480-194-0x0000000000810000-0x00000000008AE000-memory.dmp

        Filesize

        632KB

      • memory/3872-164-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/3872-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3872-6-0x0000000002350000-0x0000000002351000-memory.dmp

        Filesize

        4KB

      • memory/4372-22-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4372-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB