Analysis

  • max time kernel
    145s
  • max time network
    144s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-12-2023 23:27

General

  • Target

    31264cdf5d7070ba5f68bc063ad13259a62cec752ff6aa43e705627ad10a008e.exe

  • Size

    6.9MB

  • MD5

    e668074fa68db3d927771dfd1454a3af

  • SHA1

    76cb2435c1ac116d6a585ddf2f2b0563d3ba5ed1

  • SHA256

    31264cdf5d7070ba5f68bc063ad13259a62cec752ff6aa43e705627ad10a008e

  • SHA512

    a4be6ce9e04d035723e0752822b98b48d08c03f2f52131406baeaec344f4440b5a8843e873cefc866e22f9be2560242dc1f7b1155071dc66b290db3d834687e8

  • SSDEEP

    196608:2xnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:eNztzQlcDPXus98d9Jzj

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\31264cdf5d7070ba5f68bc063ad13259a62cec752ff6aa43e705627ad10a008e.exe
    "C:\Users\Admin\AppData\Local\Temp\31264cdf5d7070ba5f68bc063ad13259a62cec752ff6aa43e705627ad10a008e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Users\Admin\AppData\Local\Temp\is-0SNQA.tmp\31264cdf5d7070ba5f68bc063ad13259a62cec752ff6aa43e705627ad10a008e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0SNQA.tmp\31264cdf5d7070ba5f68bc063ad13259a62cec752ff6aa43e705627ad10a008e.tmp" /SL5="$8020A,7025884,54272,C:\Users\Admin\AppData\Local\Temp\31264cdf5d7070ba5f68bc063ad13259a62cec752ff6aa43e705627ad10a008e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4112
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3728
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:724
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3256
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4176
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:5024

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        3362bac458070e33d0cabcda1e4b735c

        SHA1

        76ac1f5b96667d9621eedd92ab0704b9c7a129b0

        SHA256

        4dbfd9df16a57d8ff7a00a378fe737efc179f53f2ce975daeaedbaa6ab8bcecd

        SHA512

        59ed8a9d16e100ad91d98ad3a08eabe148234633e59bfb4bef1b63e5a54c3e63193f088ad1538c4898a7a6ac5ead65a2e244ae64bc5325bbf87e763474c5a5ce

      • C:\Users\Admin\AppData\Local\Temp\is-0SNQA.tmp\31264cdf5d7070ba5f68bc063ad13259a62cec752ff6aa43e705627ad10a008e.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-R6CGV.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-R6CGV.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/724-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/724-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/724-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/724-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2920-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2920-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4112-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4112-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4112-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/5024-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-179-0x0000000000770000-0x0000000000812000-memory.dmp

        Filesize

        648KB

      • memory/5024-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-156-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-175-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-178-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-184-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-187-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-188-0x0000000000770000-0x0000000000812000-memory.dmp

        Filesize

        648KB

      • memory/5024-191-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-194-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-197-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-200-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-203-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5024-207-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB