Analysis

  • max time kernel
    143s
  • max time network
    147s
  • 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, 21:00

General

  • Target

    1272dbcb94f6079b5c681fe9f8a0fd8770b4003a9150043df7a6a5d60fbe3b9a.exe

  • Size

    6.9MB

  • MD5

    0b7d24042d236cd477f2ef9f50adadb7

  • SHA1

    e708516d38dbdd500a13a06481a9c05e1f9c6ccf

  • SHA256

    1272dbcb94f6079b5c681fe9f8a0fd8770b4003a9150043df7a6a5d60fbe3b9a

  • SHA512

    918eea2b85b4965ab454bb62ea185c4c6bf452f7a6681263a02843371ff682d4dc113288e01897a2972da715b8d973912bc75f32002f15a80eac8a1a5cecd8bf

  • SSDEEP

    196608:kxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:MNztzQlcDPXus98d9Jzj

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\1272dbcb94f6079b5c681fe9f8a0fd8770b4003a9150043df7a6a5d60fbe3b9a.exe
    "C:\Users\Admin\AppData\Local\Temp\1272dbcb94f6079b5c681fe9f8a0fd8770b4003a9150043df7a6a5d60fbe3b9a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3840
    • C:\Users\Admin\AppData\Local\Temp\is-6G2BT.tmp\1272dbcb94f6079b5c681fe9f8a0fd8770b4003a9150043df7a6a5d60fbe3b9a.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-6G2BT.tmp\1272dbcb94f6079b5c681fe9f8a0fd8770b4003a9150043df7a6a5d60fbe3b9a.tmp" /SL5="$80208,7025884,54272,C:\Users\Admin\AppData\Local\Temp\1272dbcb94f6079b5c681fe9f8a0fd8770b4003a9150043df7a6a5d60fbe3b9a.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3296
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4380
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3532
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:320
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:1896
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1596

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              976KB

              MD5

              a369d1828c5fea5d2be76d7268f4ba10

              SHA1

              bdb5070744a3340d5d3556ea7b5281f99ffff074

              SHA256

              e2d40a87674b816ede770cf961a4101272f18abc4eacdd6716880ee5b27cb9e9

              SHA512

              8d4da7c697b1f341d8d07e11294918593bd4a40ec6774acd3429ca3f86b296dfb8adbbee28f3e344edef573e3fc8984e3bf72604e8fc5f29461bda6178c26e6b

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

              Filesize

              991KB

              MD5

              e6711592428867882d4034ee3dda8dbf

              SHA1

              446348abcfae9345e095e0ac689958b594f7995c

              SHA256

              577e026e0533d06ee4430683df33dfae0144a78e812e6edeffe9aa81ea7eb3c0

              SHA512

              6a150004b912e3df9bf80a230afb5fa5caf02e5de906bcb0864de85af3de1883dbe98d80e55b490e34bb01b19923d13de7212afa9a84dccea1ceab9eb0c4df66

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

              Filesize

              989KB

              MD5

              44bd2ec444fc94ab07cd177dd6ececb4

              SHA1

              aaadb985ae58613db5b13f54aeb251a6cb935f49

              SHA256

              214cf27d3eb4da419c21591163792e676e0a0e219f97df7212ac7d5ab702efbd

              SHA512

              62136f6297de251cb57ffb89a21af1b7985c7e1984367a0844ae0a9d07e2b39579c6721965290cfd9076f7afdc362e429853d5f8c97dfec994da0c80a2ae198e

            • C:\Users\Admin\AppData\Local\Temp\is-6G2BT.tmp\1272dbcb94f6079b5c681fe9f8a0fd8770b4003a9150043df7a6a5d60fbe3b9a.tmp

              Filesize

              200KB

              MD5

              d87f3277dc7e547a498b35ac666ddbdf

              SHA1

              771d8bfde4b8fca9c577a79cc708e2721130709c

              SHA256

              e24e23d4a7ae000dbc37372d6cf08ccd0cfe676167d25368a7955f0b3428cde3

              SHA512

              4c6e34d999ceec70cce6e1fbc80104b5aede1643389c48d87cd8aa5b906a17748626f87f9c9c0e7035f586b1ccf9f2da9df9d28e5921078ce2f1538440943939

            • C:\Users\Admin\AppData\Local\Temp\is-6G2BT.tmp\1272dbcb94f6079b5c681fe9f8a0fd8770b4003a9150043df7a6a5d60fbe3b9a.tmp

              Filesize

              77KB

              MD5

              a2a2fc9d0aa234ffbb70af4ce10feb83

              SHA1

              f02fb805d93fdf413d32a4a1bd5568dc45427f31

              SHA256

              20f63631fadcbd9f71e9e7ace6a343924af6e501594da64ac0bc8cac78eb41f9

              SHA512

              e5001f03ba271a09e664848cfc4ee50eea7ea0e91038d460a96f836e06b680230e88b9ec9665310129a94f3dcf34779c571a598a5b4777c948e0b8adda59b65d

            • \Users\Admin\AppData\Local\Temp\is-4SIJG.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-4SIJG.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/1596-157-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-188-0x00000000008D0000-0x0000000000972000-memory.dmp

              Filesize

              648KB

            • memory/1596-204-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-197-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-207-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-187-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-194-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-191-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-160-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-201-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-164-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-165-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-168-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-171-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-174-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-176-0x00000000008D0000-0x0000000000972000-memory.dmp

              Filesize

              648KB

            • memory/1596-180-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1596-181-0x00000000008D0000-0x0000000000972000-memory.dmp

              Filesize

              648KB

            • memory/1596-184-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/3296-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/3296-159-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/3296-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/3532-153-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/3532-151-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/3532-150-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/3840-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/3840-158-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB