Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2023 23:43

General

  • Target

    26e452cfe6e69f2444811eb6331efb638e8244f48258e3a10d55253d416d408c.exe

  • Size

    6.9MB

  • MD5

    3af6597103a777eb81a23c3d7056fdc5

  • SHA1

    cf3a369bd7293949e0b1fbc7fd27f874d5608f50

  • SHA256

    26e452cfe6e69f2444811eb6331efb638e8244f48258e3a10d55253d416d408c

  • SHA512

    e628f880e402161da074e3c74b81731916db1426528b0db28fc2d72244498034b8454d7b6a680de311cd52df654cb0c5d908d31daa51cec1ef70b730b95b375f

  • 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\26e452cfe6e69f2444811eb6331efb638e8244f48258e3a10d55253d416d408c.exe
    "C:\Users\Admin\AppData\Local\Temp\26e452cfe6e69f2444811eb6331efb638e8244f48258e3a10d55253d416d408c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4116
    • C:\Users\Admin\AppData\Local\Temp\is-9ISKH.tmp\26e452cfe6e69f2444811eb6331efb638e8244f48258e3a10d55253d416d408c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9ISKH.tmp\26e452cfe6e69f2444811eb6331efb638e8244f48258e3a10d55253d416d408c.tmp" /SL5="$A01DA,6991381,54272,C:\Users\Admin\AppData\Local\Temp\26e452cfe6e69f2444811eb6331efb638e8244f48258e3a10d55253d416d408c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4828
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1448
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4224
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4288
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4684
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1936

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.2MB

        MD5

        69b90310705b06c31e42076e7bdefdda

        SHA1

        02223f2c01fc6c77e728ccb7a2ca430f3f70a279

        SHA256

        36d64e6e6542375033f2b5ba1aad16160b1e7e8c063de510bf32dd808be65de6

        SHA512

        43219c70fd6621dcece4d8842dc3f97a7a19fe54983f87c5eed04b5c550ba90acd38bfc6b3d027b0eda8fc494f493b058d73b6f0448cba2e4f1f4cd4eb414b7f

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

        Filesize

        991KB

        MD5

        ccb77c96112353772e2e3b041201bf5a

        SHA1

        dcd10c3de2914fc53253d12bcccdda651cb7cbb6

        SHA256

        3ed60a4787aed0f6ebca240f7ab9f21863a685098d18dc0bad2368329e342f1c

        SHA512

        266c4e7e9f4780dc78f9dcb10dc2bc00ce07e244eec440737e7a7e5aa74497924b6bd2a4a3057133ce9e2c0ce47f7e29963bebab423d8986a385f954dc27556f

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

        Filesize

        129KB

        MD5

        2f25ea9272f3b31763e3b40f03d71c0d

        SHA1

        c466e1a7a2e30714c5cd8dc912392459f9fdd209

        SHA256

        6189921e2f084fa2e1bcb508117a7cb1b41bcfe16fa062d3678240b720a3903b

        SHA512

        7d13f301714471780575e4d097b593934ae3b5e038eae3a4512349e738968553e9789daf6be9c68c0abd37b13dd3d4b1a3ed0648bf9290488f0c98db67547ed7

      • C:\Users\Admin\AppData\Local\Temp\is-9ISKH.tmp\26e452cfe6e69f2444811eb6331efb638e8244f48258e3a10d55253d416d408c.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-M9OVO.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-M9OVO.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/4116-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4116-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4116-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4224-151-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4224-152-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4224-155-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4224-154-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-186-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-179-0x0000000000890000-0x0000000000932000-memory.dmp

        Filesize

        648KB

      • memory/4288-157-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-209-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-162-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-206-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-166-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-167-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-170-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-173-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-176-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-159-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-180-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-183-0x0000000000890000-0x0000000000932000-memory.dmp

        Filesize

        648KB

      • memory/4288-203-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-189-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-190-0x0000000000890000-0x0000000000932000-memory.dmp

        Filesize

        648KB

      • memory/4288-193-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-196-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4288-199-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4828-7-0x0000000000650000-0x0000000000651000-memory.dmp

        Filesize

        4KB

      • memory/4828-163-0x0000000000650000-0x0000000000651000-memory.dmp

        Filesize

        4KB

      • memory/4828-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB