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Analysis

  • max time kernel
    122s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 18:31

General

  • Target

    d9bb4df83e4d1263ce4b38d4883a3114a793a63ccb8aa51e08e99fbbd7c587b5.exe

  • Size

    6.9MB

  • MD5

    ebec483f29f7d6bc7fd3a3f542f7e4e2

  • SHA1

    8d2fec0a1547f82a8aa82b079cc842e86235af38

  • SHA256

    d9bb4df83e4d1263ce4b38d4883a3114a793a63ccb8aa51e08e99fbbd7c587b5

  • SHA512

    f4bb5b572cc746056188a22f636d07eef2d59d5477751ce584623d386116fb86e38d454521a0adebf2b5844877215f2ed7b0f3a010d465be8227be9f9b6a29b2

  • SSDEEP

    196608:LA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:vBmakyVnlUQ7Wz3Tv1jNTh0zj

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\d9bb4df83e4d1263ce4b38d4883a3114a793a63ccb8aa51e08e99fbbd7c587b5.exe
    "C:\Users\Admin\AppData\Local\Temp\d9bb4df83e4d1263ce4b38d4883a3114a793a63ccb8aa51e08e99fbbd7c587b5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Users\Admin\AppData\Local\Temp\is-R5O8I.tmp\d9bb4df83e4d1263ce4b38d4883a3114a793a63ccb8aa51e08e99fbbd7c587b5.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-R5O8I.tmp\d9bb4df83e4d1263ce4b38d4883a3114a793a63ccb8aa51e08e99fbbd7c587b5.tmp" /SL5="$17022C,6977575,54272,C:\Users\Admin\AppData\Local\Temp\d9bb4df83e4d1263ce4b38d4883a3114a793a63ccb8aa51e08e99fbbd7c587b5.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3132
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:5064
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4452
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3384
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3448

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.9MB

        MD5

        cbb5c84c836430ae639299db80601858

        SHA1

        a04160107b21f07ea781d2170dfb548fa4161c89

        SHA256

        a214360e2fd57a22ab919a06783658a47f5eae74102d627713d6abfc9db78679

        SHA512

        42ab38d3afd52aee5d042956f531264786237062c45d37b9e61905c58b7c3149c2b0775ec0583a2fd0a3022bfb04228117ac2f471f75747b8b6f86d2f375636e

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

        Filesize

        1.2MB

        MD5

        69300f42883b60040d47c4651622665a

        SHA1

        ff47cbb92cfd1baa8a4a6e99983677b7cd315bca

        SHA256

        204a10d0b87cbea239ac7e7563a3e06e0e271df8ba215d62dd16883d9b31ec6d

        SHA512

        83af08c438ba38eddb0b26f796f30c8f5152f4bf1b910923c85e8f80f7d4f358cad1165bc0ca407a61e09d941830d30d17fc53e9b87b8d30143d415822369101

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

        Filesize

        1.2MB

        MD5

        e13949945c7f0fc58ae5538829057ca1

        SHA1

        8c4f8ab2b00df5cbd804ed00f7fc7cb033a14867

        SHA256

        275672769d86b5669472d65254ebd6c84b880083a3fa9fa8d4c9d3791d0a2f06

        SHA512

        2a1411424b76e98f5d0065a3c257e32361d2dd4da313367df51722c54bba01d897f94f785da7a9afa476d94abdf47497da617b4643d53a996181ed7ef76e5df8

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-R5O8I.tmp\d9bb4df83e4d1263ce4b38d4883a3114a793a63ccb8aa51e08e99fbbd7c587b5.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-R5O8I.tmp\d9bb4df83e4d1263ce4b38d4883a3114a793a63ccb8aa51e08e99fbbd7c587b5.tmp

        Filesize

        486KB

        MD5

        857a6a08ec859617b0a521a8c3f830e7

        SHA1

        8f7db29533489c0212037e8dc77db00def73c66a

        SHA256

        25d0a242c2d1cd292d488f8d92b676ec3de56dffaa479c8d13d584dee58baa2c

        SHA512

        206c1d1498348c44173bbcf73be99056a46ab4492b7906503dc9018d88995b08efe196a03052928a0a4750f2ed698a2954c33ac33aef1ed5380a79e4f09b0a7d

      • memory/3448-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-198-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-195-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-189-0x0000000000840000-0x00000000008E2000-memory.dmp

        Filesize

        648KB

      • memory/3448-188-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-185-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-180-0x0000000000840000-0x00000000008E2000-memory.dmp

        Filesize

        648KB

      • memory/3448-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3448-179-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-163-0x0000000000650000-0x0000000000651000-memory.dmp

        Filesize

        4KB

      • memory/4740-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4740-7-0x0000000000650000-0x0000000000651000-memory.dmp

        Filesize

        4KB

      • memory/4816-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4816-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4816-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5064-150-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5064-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5064-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5064-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB