Analysis

  • max time kernel
    144s
  • max time network
    153s
  • 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 04:13

General

  • Target

    0f49a7f46a698a8707e57184f9c20d0dd9ee7bc818b483aeca8e148bd90e4eed.exe

  • Size

    6.9MB

  • MD5

    539dbbed1364519235e01003415bbd4c

  • SHA1

    ca9ef28324bfd7add5e83063442b36ba204d2674

  • SHA256

    0f49a7f46a698a8707e57184f9c20d0dd9ee7bc818b483aeca8e148bd90e4eed

  • SHA512

    9182ee9685e6e00a67210fe6c5ebbe7be34a1edc846fc5a6a795f5fab4140b88577617c3ab4828bc274c8a40528dc60338ab209e75e5d8ca27de8545a0f59ad7

  • SSDEEP

    196608:QSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:QSjumV+jHUodIjk5VzfE9Awzj

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\0f49a7f46a698a8707e57184f9c20d0dd9ee7bc818b483aeca8e148bd90e4eed.exe
    "C:\Users\Admin\AppData\Local\Temp\0f49a7f46a698a8707e57184f9c20d0dd9ee7bc818b483aeca8e148bd90e4eed.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Users\Admin\AppData\Local\Temp\is-R8AEQ.tmp\0f49a7f46a698a8707e57184f9c20d0dd9ee7bc818b483aeca8e148bd90e4eed.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-R8AEQ.tmp\0f49a7f46a698a8707e57184f9c20d0dd9ee7bc818b483aeca8e148bd90e4eed.tmp" /SL5="$F0040,6998999,54272,C:\Users\Admin\AppData\Local\Temp\0f49a7f46a698a8707e57184f9c20d0dd9ee7bc818b483aeca8e148bd90e4eed.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1500
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4176
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4152
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3772
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2268
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2884

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1024KB

        MD5

        c7f20224f0eac96f6848b8116fe14417

        SHA1

        7770cfb254e94ee22c2edfe94b4152fb940cc4ee

        SHA256

        f22654a426befb83e65641c75cbed4e4cfc01365e3ff704456330d4063dda6d3

        SHA512

        b1ace54fabfe36869486114c840d38348e0d46ad44d05394df524b5f7ddb894a1d14b89f9724a290ccf4038c5d942ceb6ad4deea9267a4a491bd3062e99077a3

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

        Filesize

        640KB

        MD5

        59809fdcd1d2647808faf69e83ed71e2

        SHA1

        f435c9cb79a1336b279f4fbaa5ae75f4d322b7f1

        SHA256

        a22253a3c55f7b49d53c0937007cac68100685fc6d9c0fe70475b8b74c75aea4

        SHA512

        d378321734c4cdde40d626119144a44c6861d9ab1f1ac1b4a6502d6827a6cdfac03b571a1a4831c2378af9543a6bda8c872117bca7a03f0c19e4080b7c0dd533

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

        Filesize

        69KB

        MD5

        3ebf0bb2bcd8354fe86e176198ed69eb

        SHA1

        fb3224c172513169fd3300505ed989e366fe8994

        SHA256

        c04365c24bee84856b9beb3de3629f6d24cb0b6be8fd516054a2e4682cf16f7e

        SHA512

        2862ad62acf3b28defd47e771aa759f15af177d21082690ad61f2a4d4fef0b9d63dcd461941785e0e9c1ee57b0dce0e0788666e2beb10c076abd29e976a5bd5b

      • C:\Users\Admin\AppData\Local\Temp\is-4JV17.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-4JV17.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-R8AEQ.tmp\0f49a7f46a698a8707e57184f9c20d0dd9ee7bc818b483aeca8e148bd90e4eed.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1500-163-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/1500-7-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/1500-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3772-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-203-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-179-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-180-0x00000000008F0000-0x0000000000991000-memory.dmp

        Filesize

        644KB

      • memory/3772-181-0x00000000008F0000-0x0000000000991000-memory.dmp

        Filesize

        644KB

      • memory/3772-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3772-190-0x00000000008F0000-0x0000000000991000-memory.dmp

        Filesize

        644KB

      • memory/4152-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4468-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4468-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4468-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB