Analysis

  • max time kernel
    143s
  • max time network
    130s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 00:27

General

  • Target

    8ee5289ff05baa65e10d15372b812690f04361ed09c022b7d50ce1d8bb175ed8.exe

  • Size

    6.9MB

  • MD5

    ce1112fa479b63c2549902de19b6a60d

  • SHA1

    6c0083272eb18251ad18cbf0cd22724e7ac908c2

  • SHA256

    8ee5289ff05baa65e10d15372b812690f04361ed09c022b7d50ce1d8bb175ed8

  • SHA512

    0578470a761d8ce0654aba8b105d73e57418804a43db07d9b59572899edc6330084ecce6e911526ae2aed5461d49930e3122d0451c931b772659d095295a0160

  • SSDEEP

    196608:LSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:LSjumV+jHUodIjk5VzfE9Awzj

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\8ee5289ff05baa65e10d15372b812690f04361ed09c022b7d50ce1d8bb175ed8.exe
    "C:\Users\Admin\AppData\Local\Temp\8ee5289ff05baa65e10d15372b812690f04361ed09c022b7d50ce1d8bb175ed8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Users\Admin\AppData\Local\Temp\is-VCSOV.tmp\8ee5289ff05baa65e10d15372b812690f04361ed09c022b7d50ce1d8bb175ed8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-VCSOV.tmp\8ee5289ff05baa65e10d15372b812690f04361ed09c022b7d50ce1d8bb175ed8.tmp" /SL5="$801F6,6998999,54272,C:\Users\Admin\AppData\Local\Temp\8ee5289ff05baa65e10d15372b812690f04361ed09c022b7d50ce1d8bb175ed8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:648
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3964
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:5040
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1432
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2116

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\CRTGame\crtgame.exe

              Filesize

              1.4MB

              MD5

              e16c4ce54a24fe62a2cba47f3e6f00c0

              SHA1

              3cb644099e2cce89e053de0bf5b970a563ec78fc

              SHA256

              e83b9cd12f4a06652be6311add495527c83f72481c698e4acd540d1b1d62029c

              SHA512

              cd626a3c94060de0e68948f6a70813c4acb823db4c5712a5ae0074c1b6e282e905557426285a6be3623869d4507748e1bda609fa9982400fe202ff476895a018

            • C:\Program Files (x86)\CRTGame\crtgame.exe

              Filesize

              845KB

              MD5

              d4bf533ea008c5f595c94a447d52ddad

              SHA1

              68f6e2485345ddf723bf2f4600f3d2bc8c661773

              SHA256

              0b4af5ef213b1e945627a1e1c084b377203ccc704bae5af0308983bcb6e56dd1

              SHA512

              494e589029fcda597b03884956f490e0028212442ef2be1218248c454b6ac8b0ea769ee237d026646903a707c7fb988c10167ff872e81387e75bb3122ec7822a

            • C:\Program Files (x86)\CRTGame\crtgame.exe

              Filesize

              209KB

              MD5

              3709cc879f85c779dda78d76c71eca57

              SHA1

              b40d85eb3c93f68b9c5deb182f645e9bf757ec37

              SHA256

              0b14ecc60a44bb0456d269ec2d91ae1be291280ffd22c12d5e91c130be56c6a8

              SHA512

              091e3bd62853c88109ef5554e344f68ce022ff0af84d937576d51b57280f95c63dfcc8a8b49691d990fff56bafaafc66d78372df414f8cacb6f56314832bfaed

            • C:\Users\Admin\AppData\Local\Temp\is-VCSOV.tmp\8ee5289ff05baa65e10d15372b812690f04361ed09c022b7d50ce1d8bb175ed8.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • \Users\Admin\AppData\Local\Temp\is-B7T3V.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-B7T3V.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/2176-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/2176-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/2176-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/3964-152-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/3964-155-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/3964-154-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/3964-166-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/3964-151-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/4884-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4884-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4884-160-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/5040-171-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-180-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-159-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-167-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-168-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-157-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-174-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-177-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-181-0x00000000008E0000-0x0000000000981000-memory.dmp

              Filesize

              644KB

            • memory/5040-162-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-186-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-189-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-190-0x00000000008E0000-0x0000000000981000-memory.dmp

              Filesize

              644KB

            • memory/5040-193-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-196-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-199-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-203-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-206-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/5040-209-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB