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Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 21:19

General

  • Target

    39eddb8c2c98451e5b13452732ead5a5812362e6554a5cdfa83e6020e559c0cb.exe

  • Size

    6.9MB

  • MD5

    f872ca4ce2e5baea0ec7779d0a8f2bb7

  • SHA1

    e817c490cd73b146bacf88fe318e9a3a5c11c33e

  • SHA256

    39eddb8c2c98451e5b13452732ead5a5812362e6554a5cdfa83e6020e559c0cb

  • SHA512

    cb7110b6bdbd071eb63f313ef0c39863858356cc22a912d7497f78998684975a5cad5d41972d1132ffcd8cb244b37c5ff3f848db5aa957c00c0518ac7dd57ed7

  • SSDEEP

    196608:MSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:MSjumV+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\39eddb8c2c98451e5b13452732ead5a5812362e6554a5cdfa83e6020e559c0cb.exe
    "C:\Users\Admin\AppData\Local\Temp\39eddb8c2c98451e5b13452732ead5a5812362e6554a5cdfa83e6020e559c0cb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Users\Admin\AppData\Local\Temp\is-7RGHV.tmp\39eddb8c2c98451e5b13452732ead5a5812362e6554a5cdfa83e6020e559c0cb.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7RGHV.tmp\39eddb8c2c98451e5b13452732ead5a5812362e6554a5cdfa83e6020e559c0cb.tmp" /SL5="$E004C,6998999,54272,C:\Users\Admin\AppData\Local\Temp\39eddb8c2c98451e5b13452732ead5a5812362e6554a5cdfa83e6020e559c0cb.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4168
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:872
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3220
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4312
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:688
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4512

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.7MB

        MD5

        990045fb4263a30c01fb993b5a8749a8

        SHA1

        732e7afca961b445d4d4c14cc4af8ec2cca1fc95

        SHA256

        26d56886a505d6e9ffd99b636913a8862f5c3942882dadff3107e8be182da6e9

        SHA512

        1cdf0aed837e0a721ecd74ff9188ef5eafefea5c216e5afb366102b6b2da77c757f085cef9518a313970b0de014005fed8a326fa3b4c7e58f5daccb1bc3b2c2c

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

        Filesize

        1.3MB

        MD5

        4a7d3f804e498b298cc17afcde2d776f

        SHA1

        1a41866a9c10ec4ed66e532908aa4a8ac8ab5647

        SHA256

        5277491df27f7c21e74037b8a00e8fcbb73f08a13d95685414eb3505f86829c3

        SHA512

        32de90546e6d58a42e8e26fac70d23c8f774fed3ca84bc5e56728a1778edc56a1bb13818f562ea6d3ab666d1b1ba551b8d41a2248c9330e47a774f88969e1c6f

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

        Filesize

        340KB

        MD5

        a6ef4805dd3a8cf3242bad71d62fb6a8

        SHA1

        d652b58d96360270925ee0c0e73982937432541a

        SHA256

        2885e8eb2454829ae20a456ab036fd299b5c7428ba8b0cf633b0e0f229dd45c3

        SHA512

        ebd6d0f114fe006b0669a02604d41174ae32dc2ac0f67e091128a18d77dfd9d4a0c368bef417b2489a248217b5f7c31df7189523bea3472c2138bbad3d64d26b

      • C:\Users\Admin\AppData\Local\Temp\is-7RGHV.tmp\39eddb8c2c98451e5b13452732ead5a5812362e6554a5cdfa83e6020e559c0cb.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-E05JJ.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-E05JJ.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/3220-153-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3220-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3220-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3220-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4168-163-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/4168-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4168-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

        Filesize

        4KB

      • memory/4312-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-179-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-180-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/4312-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-181-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/4312-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-190-0x0000000000810000-0x00000000008B1000-memory.dmp

        Filesize

        644KB

      • memory/4312-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4312-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4624-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4624-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4624-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB