Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    12-12-2023 01:54

General

  • Target

    35f4f4a03ced2d02638291480e92ef7b.exe

  • Size

    6.9MB

  • MD5

    35f4f4a03ced2d02638291480e92ef7b

  • SHA1

    615d16a4e356962fa5593cfa5ec1a1adc4c88432

  • SHA256

    025405e707794fe5ca958897fad342771ec3748f60ab4bc4ae9ac2989a3a8fea

  • SHA512

    f1946e14e63351c28c8214f01d72a4a2ddb03c32f5426c7ebef578be3f092c3ae906a429687f4043171632e8773c9a23bee7e668d87d0acd31fd22b0489d47a6

  • SSDEEP

    196608:pxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:PNztzQlcDPXus98d9Jzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35f4f4a03ced2d02638291480e92ef7b.exe
    "C:\Users\Admin\AppData\Local\Temp\35f4f4a03ced2d02638291480e92ef7b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\is-VD9NV.tmp\35f4f4a03ced2d02638291480e92ef7b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-VD9NV.tmp\35f4f4a03ced2d02638291480e92ef7b.tmp" /SL5="$40152,7025884,54272,C:\Users\Admin\AppData\Local\Temp\35f4f4a03ced2d02638291480e92ef7b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1204
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1092
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2688
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1500
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:2680

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.2MB

        MD5

        8849c7d565f7e579f010863fef188a4b

        SHA1

        4a83982f3978e1a5b1f18f167a2437d84666c4e3

        SHA256

        fc5fe934c8426bd021e13a604a61dc6e58d70b6a00d16c88ba5dcfc44c9a738e

        SHA512

        e86f0baccdc87410d0d57e3205e9e76094343ef426e79f9db1b8b6012311ee1dac3b7adc9d9ba35d6fa3e09f27ab99eb0f1ab04b5e989e58d699e3b99e562314

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

        Filesize

        2.1MB

        MD5

        3362bac458070e33d0cabcda1e4b735c

        SHA1

        76ac1f5b96667d9621eedd92ab0704b9c7a129b0

        SHA256

        4dbfd9df16a57d8ff7a00a378fe737efc179f53f2ce975daeaedbaa6ab8bcecd

        SHA512

        59ed8a9d16e100ad91d98ad3a08eabe148234633e59bfb4bef1b63e5a54c3e63193f088ad1538c4898a7a6ac5ead65a2e244ae64bc5325bbf87e763474c5a5ce

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

        Filesize

        1.8MB

        MD5

        1eb5d09ffcf81ee75ef2ec7ee5817e34

        SHA1

        8073d53616f52c4251294c8dfbf9727c9d4ca2c4

        SHA256

        b1d99b81a56273fbcd0e019de9e47499b041a2e105c999e5413c30d104239c40

        SHA512

        07b567227e9525119eb2a2fb2415acfd7141ee3587e5636eecb7e3f74e618749ed5e438b5ae9f9171db7666b1e5bf42a0f915e82e162afbf63031d14c6cd803f

      • \Users\Admin\AppData\Local\Temp\is-RAE70.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-RAE70.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • \Users\Admin\AppData\Local\Temp\is-RAE70.tmp\_isetup\_shfoldr.dll

        Filesize

        22KB

        MD5

        92dc6ef532fbb4a5c3201469a5b5eb63

        SHA1

        3e89ff837147c16b4e41c30d6c796374e0b8e62c

        SHA256

        9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

        SHA512

        9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

      • \Users\Admin\AppData\Local\Temp\is-VD9NV.tmp\35f4f4a03ced2d02638291480e92ef7b.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1092-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1092-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1092-153-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1092-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1368-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1368-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2568-7-0x0000000000240000-0x0000000000241000-memory.dmp

        Filesize

        4KB

      • memory/2568-168-0x00000000034F0000-0x000000000370E000-memory.dmp

        Filesize

        2.1MB

      • memory/2568-151-0x00000000034F0000-0x000000000370E000-memory.dmp

        Filesize

        2.1MB

      • memory/2568-162-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2568-167-0x0000000000240000-0x0000000000241000-memory.dmp

        Filesize

        4KB

      • memory/2680-164-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-185-0x0000000002760000-0x0000000002802000-memory.dmp

        Filesize

        648KB

      • memory/2680-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-179-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-182-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-163-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-188-0x0000000002760000-0x0000000002802000-memory.dmp

        Filesize

        648KB

      • memory/2680-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-195-0x0000000002760000-0x0000000002802000-memory.dmp

        Filesize

        648KB

      • memory/2680-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2680-212-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB