Analysis

  • max time kernel
    143s
  • max time network
    137s
  • 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 02:48

General

  • Target

    4a400a1315511b6e14f6dfb82ce131f4b637cfebccb704e696fee6d1e2cd6012.exe

  • Size

    6.9MB

  • MD5

    0189b6dc9b8787f447081baad557ff90

  • SHA1

    4dc848659f139a979c6e7001e32add5ff7635ef1

  • SHA256

    4a400a1315511b6e14f6dfb82ce131f4b637cfebccb704e696fee6d1e2cd6012

  • SHA512

    f7dfec826641e06c7d5b7203d7b3b2bb28738d805de289ea4f0531e1a189fae321246824636556380eff38ed70b77aa404089f44ce274f4105b2317a4ed8ec14

  • SSDEEP

    196608:SK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:SDY6tiP3myRfzepXe4ny8gxzj

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\4a400a1315511b6e14f6dfb82ce131f4b637cfebccb704e696fee6d1e2cd6012.exe
    "C:\Users\Admin\AppData\Local\Temp\4a400a1315511b6e14f6dfb82ce131f4b637cfebccb704e696fee6d1e2cd6012.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4416
    • C:\Users\Admin\AppData\Local\Temp\is-LAOI2.tmp\4a400a1315511b6e14f6dfb82ce131f4b637cfebccb704e696fee6d1e2cd6012.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-LAOI2.tmp\4a400a1315511b6e14f6dfb82ce131f4b637cfebccb704e696fee6d1e2cd6012.tmp" /SL5="$D01CE,6991381,54272,C:\Users\Admin\AppData\Local\Temp\4a400a1315511b6e14f6dfb82ce131f4b637cfebccb704e696fee6d1e2cd6012.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3912
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4600
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3972
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:5068
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5088
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4848

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.1MB

        MD5

        a1607962d338273f3c523099e72dcd93

        SHA1

        20284599d108d85f0b4f5f341228771098b96e74

        SHA256

        3f951392a1e5e8d492dffe77696b2525be3886492ef3f5650fafd487196b7062

        SHA512

        788f604ff3a7ee28fd8fac1b8d10f935a1a55f381ceb87599997e475c04e0247f6322e4bcc57608b9597700a4f8c16db0b1c1a54ea4fa1fabaf6d60b62dd0cbc

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

        Filesize

        1.1MB

        MD5

        354a6f9ebdb5b92135c465e2497936ee

        SHA1

        814cb51c57d4313b897586cabc3b54366916ed9d

        SHA256

        0ff851443a6582053b34244f2bf3f579c6e69fc6077f6ca0f7157d115553136a

        SHA512

        86d2b424ea8b1a9b6416c74288f155bd0068d0d608e6ecbc45803e577557a4a9d65bf760358ac3296ce026390718a5f1663583d8957e151811765ce8c9c005ab

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

        Filesize

        381KB

        MD5

        e1c51b6482980bf70a7f08ec90e008dd

        SHA1

        8a9a6de83564401701db58c4b6dfad0ae285c0d8

        SHA256

        ef53bb3db98d6a031cae2e70e59cad4f4205a28a29896e1017c8ce0573658c70

        SHA512

        f5ff1bb3e6a2d0413696180e30c7eb0023930d86a2eaa70b6461becd7bdad6dd1c427e2ebf07873e0f592636123dafadde89b6fb5ad02fbcc077c7f55b5dbedb

      • C:\Users\Admin\AppData\Local\Temp\is-LAOI2.tmp\4a400a1315511b6e14f6dfb82ce131f4b637cfebccb704e696fee6d1e2cd6012.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/3912-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3912-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3912-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3972-152-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3972-154-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3972-155-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3972-151-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4416-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4416-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4416-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5068-170-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-179-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-159-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-166-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-167-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-157-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-173-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-176-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-180-0x0000000000880000-0x0000000000922000-memory.dmp

        Filesize

        648KB

      • memory/5068-162-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-185-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-188-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-189-0x0000000000880000-0x0000000000922000-memory.dmp

        Filesize

        648KB

      • memory/5068-192-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-195-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-198-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-202-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-205-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/5068-208-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB