Analysis

  • max time kernel
    142s
  • max time network
    144s
  • 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, 00:23

General

  • Target

    e9a64292dda1b29a3e105e3ef9fb33890153c587d495a2568d1f48aacdd93ff7.exe

  • Size

    6.9MB

  • MD5

    f8457984836e1b685e05c8ce57115cb3

  • SHA1

    4ea5bbde88ce346e623d46d5ba3164dac27a4dd1

  • SHA256

    e9a64292dda1b29a3e105e3ef9fb33890153c587d495a2568d1f48aacdd93ff7

  • SHA512

    97abb7571dc7a4edd0ad96527336e8aa1cb5e7f63e354f1bb4c1a601d6740add674a6390a030aa4a0f848ab34e5bef5f3ec0104138bf1100c93d35fe092ac2ec

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9a64292dda1b29a3e105e3ef9fb33890153c587d495a2568d1f48aacdd93ff7.exe
    "C:\Users\Admin\AppData\Local\Temp\e9a64292dda1b29a3e105e3ef9fb33890153c587d495a2568d1f48aacdd93ff7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Users\Admin\AppData\Local\Temp\is-MAFI8.tmp\e9a64292dda1b29a3e105e3ef9fb33890153c587d495a2568d1f48aacdd93ff7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MAFI8.tmp\e9a64292dda1b29a3e105e3ef9fb33890153c587d495a2568d1f48aacdd93ff7.tmp" /SL5="$9021C,6998999,54272,C:\Users\Admin\AppData\Local\Temp\e9a64292dda1b29a3e105e3ef9fb33890153c587d495a2568d1f48aacdd93ff7.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4064
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2816
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4180
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1596
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4732
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2776
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:3912
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1388

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.3MB

          MD5

          11af6feedb56b0040d6c56098b7a4895

          SHA1

          ed4fae433329141763429c1f7e8350a816d30c15

          SHA256

          925b1ca9ae1f207a7ea10a88a0272e1d8a628ce7c6b0ebb3d81ff8cf89070a26

          SHA512

          82801245b6b6b9ea838e5137339c3c1f0ab016116acb13ad9731f731c748a43309d58e6eeb48459915c35abc34d822c3f317a636811ce7d860faa6c584cf429d

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

          Filesize

          1.3MB

          MD5

          9fa8165ef2715cfde36ad1f4d0575eae

          SHA1

          4d10e0d6d0cf9c9123393436165cb3ab934bd51a

          SHA256

          b3972f6ee749f35f255eb4aa316680b544a6165bab93eed031461ad317cd3e4b

          SHA512

          62a63cd097ce75c403b82116bf6f16d83a7cd9f680b0300186b3c9cd27be179ca180cca38ea30b114d37d73a2a8a735e9e65c2b90ab35ad1e98f21885e34637e

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

          Filesize

          595KB

          MD5

          0279ae0e729bfa2f2610ac0de9d31a83

          SHA1

          2d3df96857a6c428f3677ce1c5903ee36a34c111

          SHA256

          27092741da4a749a077650d505e26a5403341d1e19d8e3eefe1c1a17fa4c5ecc

          SHA512

          452fdf708684f818ae140c70210b57288b02772f5d56fc5870debe1ef08c3d99ce2692634993ac3cca33647786bdbc6d01e46f6d769746e182fecd4981a0ea56

        • C:\Users\Admin\AppData\Local\Temp\is-J3G1G.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-J3G1G.tmp\_isetup\_isdecmp.dll

          Filesize

          19KB

          MD5

          3adaa386b671c2df3bae5b39dc093008

          SHA1

          067cf95fbdb922d81db58432c46930f86d23dded

          SHA256

          71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

          SHA512

          bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

        • C:\Users\Admin\AppData\Local\Temp\is-MAFI8.tmp\e9a64292dda1b29a3e105e3ef9fb33890153c587d495a2568d1f48aacdd93ff7.tmp

          Filesize

          687KB

          MD5

          f448d7f4b76e5c9c3a4eaff16a8b9b73

          SHA1

          31808f1ffa84c954376975b7cdb0007e6b762488

          SHA256

          7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

          SHA512

          f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

        • memory/1388-213-0x0000021AFCF40000-0x0000021AFCF50000-memory.dmp

          Filesize

          64KB

        • memory/1388-197-0x0000021AFCE40000-0x0000021AFCE50000-memory.dmp

          Filesize

          64KB

        • memory/1436-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1436-160-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1436-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1596-176-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-189-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-158-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-190-0x00000000008A0000-0x0000000000941000-memory.dmp

          Filesize

          644KB

        • memory/1596-193-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-159-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-162-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-186-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-166-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-167-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-170-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-173-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-196-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-179-0x00000000008A0000-0x0000000000941000-memory.dmp

          Filesize

          644KB

        • memory/1596-180-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/1596-183-0x00000000008A0000-0x0000000000941000-memory.dmp

          Filesize

          644KB

        • memory/4064-161-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/4064-163-0x00000000020F0000-0x00000000020F1000-memory.dmp

          Filesize

          4KB

        • memory/4064-10-0x00000000020F0000-0x00000000020F1000-memory.dmp

          Filesize

          4KB

        • memory/4180-155-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4180-154-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4180-151-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB

        • memory/4180-152-0x0000000000400000-0x000000000061B000-memory.dmp

          Filesize

          2.1MB