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Analysis

  • max time kernel
    141s
  • max time network
    137s
  • 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, 21:24

General

  • Target

    3005e1f6dc678a066d859a1f7b77a7cb5751761e68948cb696122428c5a532b1.exe

  • Size

    6.9MB

  • MD5

    41065b7a38ea4fe9808b7851c8d9a3bb

  • SHA1

    8d33344bdd4322388c9a00d69e4c6eb21310ed7c

  • SHA256

    3005e1f6dc678a066d859a1f7b77a7cb5751761e68948cb696122428c5a532b1

  • SHA512

    1c6ab33d9b2e6aaadf0e1308e63802cc23cb19cee088852520d2465d3ef229dcd7fd28eee7958e6552885f42bae68b26b2b5b6f2d1209add7abed7263e54a305

  • SSDEEP

    196608:QA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:MBmakyVnlUQ7Wz3Tv1jNTh0zj

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\3005e1f6dc678a066d859a1f7b77a7cb5751761e68948cb696122428c5a532b1.exe
    "C:\Users\Admin\AppData\Local\Temp\3005e1f6dc678a066d859a1f7b77a7cb5751761e68948cb696122428c5a532b1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\is-8FMNG.tmp\3005e1f6dc678a066d859a1f7b77a7cb5751761e68948cb696122428c5a532b1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8FMNG.tmp\3005e1f6dc678a066d859a1f7b77a7cb5751761e68948cb696122428c5a532b1.tmp" /SL5="$70200,6977575,54272,C:\Users\Admin\AppData\Local\Temp\3005e1f6dc678a066d859a1f7b77a7cb5751761e68948cb696122428c5a532b1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3824
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:928
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3036
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:772
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2780
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4904

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        575KB

        MD5

        9f25fb84b3e9b3473b96fc4bce844e94

        SHA1

        f6e256ac5acea2d609a69940868e156d0d6507fe

        SHA256

        ffafa5ec17a36bf6ab7f82818fd29ea0232a21fe41b5e673646e54b6908c316b

        SHA512

        2b6cdbe3c2bd403540a976f057b5701d53f60e4e5b513397435523788867a346af598bbee9964dceb977656a21265ce317d9a28728c63433de02d451687b4107

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

        Filesize

        227KB

        MD5

        ca9628c96f66ad1ab1121168ea274597

        SHA1

        4949c48b7285946a71c7eab32b17cbde8976ac1e

        SHA256

        7b32e68300e0a0645486f1f6f7d5ed801345fca1683edd210eb4c423b3daf051

        SHA512

        3569d5158184ed50ccf51b9e6fa3b98a3765a312443ee32a5784dd51bc7b38a41597c12b8d0b135a08ec0539a786c40b9aafbcfc54a29b3ad123beb940bd3667

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

        Filesize

        135KB

        MD5

        60bf22b9ebbb25cf8e2ce76e934e87f9

        SHA1

        c21158c31999902782a745d5f153f16f5e8a4510

        SHA256

        5e5c2be32f6c35dfbf2a029132d5d8a6c95ec81a1fd33abb4dcda9dd6802c9ea

        SHA512

        5529467ec6797338b7bdddc86fe195cdb4e64afac3731b21d459dc7e014dd33f376b77fc65d8ae446bbe1ee8b543c79604b1784c359e3e5d76c9b6ce926eb547

      • C:\Users\Admin\AppData\Local\Temp\is-8FMNG.tmp\3005e1f6dc678a066d859a1f7b77a7cb5751761e68948cb696122428c5a532b1.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-MUB34.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-MUB34.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/772-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-190-0x0000000000990000-0x0000000000A32000-memory.dmp

        Filesize

        648KB

      • memory/772-183-0x0000000000990000-0x0000000000A32000-memory.dmp

        Filesize

        648KB

      • memory/772-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-180-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/772-179-0x0000000000990000-0x0000000000A32000-memory.dmp

        Filesize

        648KB

      • memory/3004-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3004-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3004-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3036-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3036-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3036-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3036-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3824-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3824-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3824-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB