Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 00:22

General

  • Target

    a8f29a8040688917b5b7d7dff53b125d5babe4fa180ccab605f1db8d82e7eca9.exe

  • Size

    6.9MB

  • MD5

    0fd33fc7343eb79a05c30565d91581c9

  • SHA1

    ddd5282abf630e82efc9c06d50d0a2656aa464a7

  • SHA256

    a8f29a8040688917b5b7d7dff53b125d5babe4fa180ccab605f1db8d82e7eca9

  • SHA512

    23fdcb2c3da34a9a52609ddca661afedbc76d3c134c072787c55412d4f76d261e05391a3aa04d8420358f0915ca6906c56eb499a96fbe1f10ac85401178083a9

  • SSDEEP

    98304:y+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:Pz25G6bV1yYDuZxCWQNhUU2uNzj

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\a8f29a8040688917b5b7d7dff53b125d5babe4fa180ccab605f1db8d82e7eca9.exe
    "C:\Users\Admin\AppData\Local\Temp\a8f29a8040688917b5b7d7dff53b125d5babe4fa180ccab605f1db8d82e7eca9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Users\Admin\AppData\Local\Temp\is-QRK0N.tmp\a8f29a8040688917b5b7d7dff53b125d5babe4fa180ccab605f1db8d82e7eca9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-QRK0N.tmp\a8f29a8040688917b5b7d7dff53b125d5babe4fa180ccab605f1db8d82e7eca9.tmp" /SL5="$100028,6985375,54272,C:\Users\Admin\AppData\Local\Temp\a8f29a8040688917b5b7d7dff53b125d5babe4fa180ccab605f1db8d82e7eca9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1556
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3856
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1032
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4600
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4576

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        a158c99aa92f0e29ed84bb25976d4f7a

        SHA1

        165831b30ec9ea08fa80e348ae1a522256a633bd

        SHA256

        d038c11b0567ee81823a93bd8a1cc62f176ac7ce785104e7b08954b1b3d80fa4

        SHA512

        dccf5785ba72c46cd38766610341ccc1df2cb4c98f2c475105b06ceae461bd109974d3b9d8de945619b7acfa88a85082c6ef239d7e074511b411a3706521a170

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-QRK0N.tmp\a8f29a8040688917b5b7d7dff53b125d5babe4fa180ccab605f1db8d82e7eca9.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/3856-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3856-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3856-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3856-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-185-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-208-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-205-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-198-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-195-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-179-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-180-0x00000000007B0000-0x0000000000851000-memory.dmp

        Filesize

        644KB

      • memory/4576-192-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-188-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4576-189-0x00000000007B0000-0x0000000000851000-memory.dmp

        Filesize

        644KB

      • memory/4956-7-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/4956-163-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/4956-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/5052-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5052-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5052-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB