Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 01:23

General

  • Target

    f2ac4427bd9471ce382d50eede318dde08cbeac658431f027bbcee9401ca6b92.exe

  • Size

    6.9MB

  • MD5

    4aeb90cd186f8bf5fb95288868f93d45

  • SHA1

    a52125f261a4b7b6affa115fc7a3513f3f70b38e

  • SHA256

    f2ac4427bd9471ce382d50eede318dde08cbeac658431f027bbcee9401ca6b92

  • SHA512

    e0b1960889ca11770e426a87b598767b9c3d03204677e77f0187c86a129f62d0ab5ef4d5b9da75ccd798d569d2eebf539a6ebbe77799029c2d151b63ec13e8d9

  • SSDEEP

    196608:wK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:wDY6tiP3myRfzepXe4ny8gxzj

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\f2ac4427bd9471ce382d50eede318dde08cbeac658431f027bbcee9401ca6b92.exe
    "C:\Users\Admin\AppData\Local\Temp\f2ac4427bd9471ce382d50eede318dde08cbeac658431f027bbcee9401ca6b92.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Users\Admin\AppData\Local\Temp\is-N3PR8.tmp\f2ac4427bd9471ce382d50eede318dde08cbeac658431f027bbcee9401ca6b92.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-N3PR8.tmp\f2ac4427bd9471ce382d50eede318dde08cbeac658431f027bbcee9401ca6b92.tmp" /SL5="$601CE,6991381,54272,C:\Users\Admin\AppData\Local\Temp\f2ac4427bd9471ce382d50eede318dde08cbeac658431f027bbcee9401ca6b92.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4356
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4972
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:5092
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2736
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:936

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              Filesize

              1.7MB

              MD5

              e492543adfea5a9e4b79278a2a7ddbbd

              SHA1

              403ec176475f000da576a0aedd5026e922c72375

              SHA256

              cefb2a1ff1d4baa1242bb67266d0597d4cbb2fe06064a433672d9e3f26ea1693

              SHA512

              1ce061ab7b8b2c73af1e3f814955bc5ac2c826aa40ab2d5b762bea0efa259e975cb6f1c6827e5cea6f24b53ea183ef20a46f4593031ba99b063ce27e2e236906

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

              Filesize

              1009KB

              MD5

              d819405441c6f4913851ae500b8aaa36

              SHA1

              e3a7f2395c7cc2e065b60f34c4650b4cc212110d

              SHA256

              0c3db88ef3d036a86c33fb77292f8582ac433d41fa54cda59a69cccbd65bf12d

              SHA512

              6d0e27f084ef96a76db60bc3dac20065a04bf59f9557fd2da18575c6d4caa8887d7bc3829bf7d9a70a8ecc1d9620bfe6f553509ea85a6c1da249080b4edd2d42

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

              Filesize

              89KB

              MD5

              5609696b1a01fd1da8cde10664fc335c

              SHA1

              ecd3a00205416010f2204c220fde40dd1bc6a3ef

              SHA256

              cac70f6307e866a40e4902cd5f44cbfd479942d6d91b7923a63162c47b21c591

              SHA512

              fa3be3c2107fa51d8fb57c8925fa8fe9eb5c32362f0d96ae58aad3e54016ea8726d40366dd7a290b93c7d8e0909222d73f2d5677445f01cfe7171b20ab0308d8

            • C:\Users\Admin\AppData\Local\Temp\is-I9AI3.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-I9AI3.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-N3PR8.tmp\f2ac4427bd9471ce382d50eede318dde08cbeac658431f027bbcee9401ca6b92.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/1376-10-0x0000000002240000-0x0000000002241000-memory.dmp

              Filesize

              4KB

            • memory/1376-162-0x0000000002240000-0x0000000002241000-memory.dmp

              Filesize

              4KB

            • memory/1376-160-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/4052-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4052-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4052-159-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4972-151-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/4972-152-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/4972-154-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/4972-155-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-161-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-182-0x0000000000950000-0x00000000009F2000-memory.dmp

              Filesize

              648KB

            • memory/5092-165-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-166-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-169-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-172-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-175-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-179-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-178-0x0000000000950000-0x00000000009F2000-memory.dmp

              Filesize

              648KB

            • memory/5092-158-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-185-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-188-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-189-0x0000000000950000-0x00000000009F2000-memory.dmp

              Filesize

              648KB

            • memory/5092-192-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-195-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-198-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-202-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-205-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB

            • memory/5092-208-0x0000000000400000-0x000000000061C000-memory.dmp

              Filesize

              2.1MB