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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/12/2023, 20:50

General

  • Target

    daa26ab4eb7eec9cfa9be88c56900e0fc15be2e003fb1815e11ec807a9ab8791.exe

  • Size

    6.9MB

  • MD5

    18ad441670aff8e8d1efc7b1314c9416

  • SHA1

    37074e2dee00912a179b2cd5507ec0700e4a1485

  • SHA256

    daa26ab4eb7eec9cfa9be88c56900e0fc15be2e003fb1815e11ec807a9ab8791

  • SHA512

    78ed777c44b1a5d9794b7ef5a656e6f58797f992a0378820b09ed7ae00dbf713353625678df8e01d4ffb0ac5a46e858061dd26673390265f89be51cbf7d40ce5

  • SSDEEP

    196608:RSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:RSjumV+jHUodIjk5VzfE9Awzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\daa26ab4eb7eec9cfa9be88c56900e0fc15be2e003fb1815e11ec807a9ab8791.exe
    "C:\Users\Admin\AppData\Local\Temp\daa26ab4eb7eec9cfa9be88c56900e0fc15be2e003fb1815e11ec807a9ab8791.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Users\Admin\AppData\Local\Temp\is-BJ2U9.tmp\daa26ab4eb7eec9cfa9be88c56900e0fc15be2e003fb1815e11ec807a9ab8791.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BJ2U9.tmp\daa26ab4eb7eec9cfa9be88c56900e0fc15be2e003fb1815e11ec807a9ab8791.tmp" /SL5="$90062,6998999,54272,C:\Users\Admin\AppData\Local\Temp\daa26ab4eb7eec9cfa9be88c56900e0fc15be2e003fb1815e11ec807a9ab8791.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3992
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2728
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4988
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3864
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:440
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4520

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.5MB

        MD5

        cd8b1e0230cfc30986f7a4c94aed52a8

        SHA1

        9b518fe53cc00070145c8cfeeb11c798e36ecea0

        SHA256

        2b2d482ba48c576327124a98343ee8c616e4e4524dffa4acc21ac7d2d96e5704

        SHA512

        59d1c419f746c76d1c8bc3add2807e3dc4bc7e8aaf48d8873854f10a8f058a598b56eb767d19112c3f7ecb3de49241c11d71f0d3fba4ffbd82ed54a91fc8d066

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

        Filesize

        894KB

        MD5

        688f5ec6c20bf7e66c77b0853b48bd83

        SHA1

        b5c551e1364a0591e78a31d6c556ed38826262a3

        SHA256

        c5a30084331b95f79876d6d6af387247ed8ba10297f2d5c95402509267a8b79d

        SHA512

        5bea2ec197fc9c626bd38ebd13ae76fcfe272a9ff7cb667f0de2499adb7f5b68b1080e64e4d92804558017998cc267f5442be5d8f3d0c2e109e757b5aeae37ab

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

        Filesize

        786KB

        MD5

        cc06beeda6e38363d649496e9bf64ba3

        SHA1

        5eb018d2f3fe21291f0afbf61f25206ca3b8f9f5

        SHA256

        2117c9e548e5687a903bc08d54833d8a5d8a5c506cee252034937f5cf05891d5

        SHA512

        91dac4dc14c4cd01ca36e1930a5fbbbb5ad8a2a46c4161adec2d3e014668eea7903447f6d51b8fab2c7e94986b1c83a0c74f6677a8bd1903f9dd176fa2577fc7

      • C:\Users\Admin\AppData\Local\Temp\is-BJ2U9.tmp\daa26ab4eb7eec9cfa9be88c56900e0fc15be2e003fb1815e11ec807a9ab8791.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-PTF1S.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-PTF1S.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/3864-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-205-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-190-0x00000000007F0000-0x0000000000891000-memory.dmp

        Filesize

        644KB

      • memory/3864-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-183-0x00000000007F0000-0x0000000000891000-memory.dmp

        Filesize

        644KB

      • memory/3864-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3864-179-0x00000000007F0000-0x0000000000891000-memory.dmp

        Filesize

        644KB

      • memory/3864-180-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3992-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3992-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3992-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4132-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4132-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4132-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4988-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4988-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4988-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4988-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB