Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 00:14

General

  • Target

    93aca1df3bc021167d1aa1c3e2ff5d1fce59c4121449a3c11567d51b2e3793f2.exe

  • Size

    6.9MB

  • MD5

    83605b666296ab70546e7188cb5c05c8

  • SHA1

    573d01038c41ad4a697b00677b32de2367cdb710

  • SHA256

    93aca1df3bc021167d1aa1c3e2ff5d1fce59c4121449a3c11567d51b2e3793f2

  • SHA512

    0d96ed91350a2891786ff3f86e03bec249f50cb7b2153d0401779a633b9f2afc846d3c98cf1c896e76879780a5deccaa019714640f7a21e0a52c22475f0f8251

  • SSDEEP

    196608:KSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:KSjumV+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\93aca1df3bc021167d1aa1c3e2ff5d1fce59c4121449a3c11567d51b2e3793f2.exe
    "C:\Users\Admin\AppData\Local\Temp\93aca1df3bc021167d1aa1c3e2ff5d1fce59c4121449a3c11567d51b2e3793f2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Users\Admin\AppData\Local\Temp\is-1T2CO.tmp\93aca1df3bc021167d1aa1c3e2ff5d1fce59c4121449a3c11567d51b2e3793f2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1T2CO.tmp\93aca1df3bc021167d1aa1c3e2ff5d1fce59c4121449a3c11567d51b2e3793f2.tmp" /SL5="$701CC,6998999,54272,C:\Users\Admin\AppData\Local\Temp\93aca1df3bc021167d1aa1c3e2ff5d1fce59c4121449a3c11567d51b2e3793f2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4940
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4128
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1396
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4196
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2520

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              1.7MB

              MD5

              700ead6ed65dda75bb27a4cc76a7946f

              SHA1

              0c4170b9e1774e74581d629597035c285f34d671

              SHA256

              209749693da1dc60521ec751a7bbb0686f22b2570a69e80ff638a3b0163ec7e0

              SHA512

              61c49842fa48a58cf7ffa8e29bbd80438e664d1d41a6cb84053bac38c9ee0c944a017d4a99a5d21d71a06b2910ba1d6f8a653268912d697d5ddc1ba363b3eb28

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

              Filesize

              1.3MB

              MD5

              feaae3e3050e1a85572c4161e41832e7

              SHA1

              a020de599937722f2fbe8f036029a85ed2dcea3d

              SHA256

              b3c11816cb2876ed4bf54024e78a80cd37d983539c686f478f2a9abaec323dd4

              SHA512

              2cfdaa1d88939864a30b0c9f8a7628898225213dbd8638eee18d5684bbfc7ca3a1b7dd3648d39afdf8a2c6a6714923a301ad9d5e3a5f47af0e1f3c7960a4ee08

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

              Filesize

              1.1MB

              MD5

              21e9cc826b6d3b43306da3cf61d048e6

              SHA1

              cf157a41498f1f26e84b614d6d3da36b1af27fc3

              SHA256

              68e52f444e3711adedf619488e5addc9851712240f51ebcc43e006259199f429

              SHA512

              95d6b3cadff3fb1aa6b68d9858968a2304e3468ee3c982d71af00f87e9b5330b9c1e7d34bef3ab5be1bffe7ab150bac9aee3077900bc9851e9adaa69ea582fbf

            • C:\Users\Admin\AppData\Local\Temp\is-1T2CO.tmp\93aca1df3bc021167d1aa1c3e2ff5d1fce59c4121449a3c11567d51b2e3793f2.tmp

              Filesize

              334KB

              MD5

              1bd64217ccaf2498576515472223febc

              SHA1

              9eeb4e20949b29df84c26e9c3f3a94b414c0fb61

              SHA256

              30b4d459bd02fd0f6e554e86fe92bfed0acf334f7b865eb60e488f1ef9fdb9d2

              SHA512

              584a8f631c4e0413141e735f26d0bd9841d73bb0cc47f875d96659bcfb1351cc6373b0ea5156342c10f05f32806e0ee2ed824114d609db3d7ef01e5c71d39dcb

            • C:\Users\Admin\AppData\Local\Temp\is-1T2CO.tmp\93aca1df3bc021167d1aa1c3e2ff5d1fce59c4121449a3c11567d51b2e3793f2.tmp

              Filesize

              474KB

              MD5

              8f32ec3654a6efbdc78552a06be21120

              SHA1

              b86f1af2c70c64e01831b6e2bd5f57273c555365

              SHA256

              c277aba62ae333f048a7e565909f50f4f9068cf52ff3e4a056b49dc779443859

              SHA512

              475813b370bd75c27c5527e71a5c57d6633f676df27f3c67a13bbd3a8f536d3ca28631a8d717de47f105e7c4e9f24df1a734ab75267e390d65ea9fef4bd55b09

            • C:\Users\Admin\AppData\Local\Temp\is-VDMK5.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-VDMK5.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/1396-185-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-170-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-208-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-205-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-201-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-198-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-195-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-157-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-159-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-192-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-189-0x0000000000770000-0x0000000000811000-memory.dmp

              Filesize

              644KB

            • memory/1396-162-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-188-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-166-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-167-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-179-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-173-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-176-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/1396-180-0x0000000000770000-0x0000000000811000-memory.dmp

              Filesize

              644KB

            • memory/4060-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4060-160-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4060-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/4128-155-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/4128-154-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/4128-152-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/4128-151-0x0000000000400000-0x000000000061B000-memory.dmp

              Filesize

              2.1MB

            • memory/4392-10-0x00000000005C0000-0x00000000005C1000-memory.dmp

              Filesize

              4KB

            • memory/4392-163-0x00000000005C0000-0x00000000005C1000-memory.dmp

              Filesize

              4KB

            • memory/4392-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB