Analysis

  • max time kernel
    145s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 03:25

General

  • Target

    267a5dca4640a49f9758efa96a09ef66cf3269c59dc090435c4bc8c713b14410.exe

  • Size

    6.9MB

  • MD5

    0d4f9e6de5077a808c4b6b9149148056

  • SHA1

    65eddbeee830f9224534d812a1f0649171867813

  • SHA256

    267a5dca4640a49f9758efa96a09ef66cf3269c59dc090435c4bc8c713b14410

  • SHA512

    5aa3c263713a3f70d6aae04161f3e54f6c7ccb304fc9670465a9faae9b0c0a72ccb50f33e9b482d33e8dac1b20e4b1f40c9c3bbc9aa3aa52448fd87745239e9a

  • SSDEEP

    196608:oSnj/mmV+GsH+bNueuJRAZVAOk5Vvz+tqE9AmEkzj:oSjumV+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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\267a5dca4640a49f9758efa96a09ef66cf3269c59dc090435c4bc8c713b14410.exe
    "C:\Users\Admin\AppData\Local\Temp\267a5dca4640a49f9758efa96a09ef66cf3269c59dc090435c4bc8c713b14410.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Users\Admin\AppData\Local\Temp\is-FT831.tmp\267a5dca4640a49f9758efa96a09ef66cf3269c59dc090435c4bc8c713b14410.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-FT831.tmp\267a5dca4640a49f9758efa96a09ef66cf3269c59dc090435c4bc8c713b14410.tmp" /SL5="$11005E,6998999,54272,C:\Users\Admin\AppData\Local\Temp\267a5dca4640a49f9758efa96a09ef66cf3269c59dc090435c4bc8c713b14410.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2588
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4176
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2904
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1376
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:4792

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        756KB

        MD5

        cf4bd0aa58891d59a5451ef61f959ed7

        SHA1

        f8948d9c5b2089f1c7a740814d63dabbdfb25c07

        SHA256

        b7f7f78eeebcefd6a231dd6e4372c50671db6e180ca405e090e02e26625fce64

        SHA512

        65e2ea2cfc93ae8a1188c8c3c60fe252871e4d8de0ae16a2755f4898834957de166c5331ca668f357688a6cd7a988f4b66a1caf2d1e3e62d4ddf89c5f4cc61cd

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

        Filesize

        370KB

        MD5

        b235edd6f95c00b124644bf579cc3d0c

        SHA1

        a05ff11b3d35c679b50447dc474ea2d0ac592e3f

        SHA256

        11abb012cc97d0bd97f6475c6ce9d8b647442c30cf4a81b341dd24e8ac4809f0

        SHA512

        071c7031bbfeeffccf95f148589872d875f22aea6273daac86b5a7745309f671d06175ad48e3708d5a93ed7c76cd3bac171dac20a88b6ce0d902330afcf62374

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

        Filesize

        149KB

        MD5

        3dfd2d0b6924e2a3bd4f968376ddc098

        SHA1

        f8c8a995b48102cce14904f85e20a9ab6f9a6f33

        SHA256

        4d91e82b99c88f81669095b7e627e92a6491be1cfa59dd85bbdf767ec124cbde

        SHA512

        d2e1d229961e083d835567649792ef4eceaa86906e149282e777f01101771172f48ad1afae33a73bbec245b49147a8eaa5dc4d4e2e89555c3ae9c75a7844f23f

      • C:\Users\Admin\AppData\Local\Temp\is-FT831.tmp\267a5dca4640a49f9758efa96a09ef66cf3269c59dc090435c4bc8c713b14410.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-SK4E7.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-SK4E7.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/448-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/448-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/448-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2520-13-0x00000000005C0000-0x00000000005C1000-memory.dmp

        Filesize

        4KB

      • memory/2520-163-0x00000000005C0000-0x00000000005C1000-memory.dmp

        Filesize

        4KB

      • memory/2520-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2904-179-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-189-0x0000000000870000-0x0000000000911000-memory.dmp

        Filesize

        644KB

      • memory/2904-207-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-204-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-201-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-198-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-180-0x0000000000870000-0x0000000000911000-memory.dmp

        Filesize

        644KB

      • memory/2904-185-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-188-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-192-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2904-195-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4176-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4176-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4176-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4176-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB