Analysis

  • max time kernel
    144s
  • max time network
    148s
  • 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 00:26

General

  • Target

    d406733e27b755ccfa0aee6c41b18ba8858ca33acb868e4fbffa8c7e33789075.exe

  • Size

    6.9MB

  • MD5

    15eba4a48db0dd77e094834242a655b6

  • SHA1

    32d185bc9e70139b4b1c95691ef23fb4a3182bf3

  • SHA256

    d406733e27b755ccfa0aee6c41b18ba8858ca33acb868e4fbffa8c7e33789075

  • SHA512

    34f3850547c6e82b6f2b0bed7cf77525ca10ba564c136bef11eecb9cb8bc7995931157a91741cb826055732ff25a042da60d334ef1440adc80decbf7377eaf60

  • SSDEEP

    196608:4A89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:UBmakyVnlUQ7Wz3Tv1jNTh0zj

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\d406733e27b755ccfa0aee6c41b18ba8858ca33acb868e4fbffa8c7e33789075.exe
    "C:\Users\Admin\AppData\Local\Temp\d406733e27b755ccfa0aee6c41b18ba8858ca33acb868e4fbffa8c7e33789075.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3724
    • C:\Users\Admin\AppData\Local\Temp\is-PH599.tmp\d406733e27b755ccfa0aee6c41b18ba8858ca33acb868e4fbffa8c7e33789075.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PH599.tmp\d406733e27b755ccfa0aee6c41b18ba8858ca33acb868e4fbffa8c7e33789075.tmp" /SL5="$5016E,6977575,54272,C:\Users\Admin\AppData\Local\Temp\d406733e27b755ccfa0aee6c41b18ba8858ca33acb868e4fbffa8c7e33789075.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1840
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 10
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1008
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:5060
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4932
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:1144

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        998KB

        MD5

        837379d2125da729ca8aa14c45595934

        SHA1

        2dfc29d51f1fc52e395a2e42edfa814fd8bf9173

        SHA256

        69fcdb060f68aaebbba602590cdf2f324b7c719313b634f5644bf7b946fe239a

        SHA512

        4641fb0863a9c0dca8680c0390ae42a4d225fe2e8887bd557d89cccbd64e567900489cd85e1daed9c8e337fc6da1b12f4b6f895c2ddc18672272d0761bdf59c6

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

        Filesize

        660KB

        MD5

        d8ebb8efbe86118447a6d6e7acaf3d32

        SHA1

        d14a28711f64a720cfe54e5dcd741568fd4d6faf

        SHA256

        56e5729854d9ddad95c59643e45a6ec91c08f3b43b62a45f7a4f315eeab5b9f1

        SHA512

        d2161e92b682ab8440c35fa2bb03ba3aa39a371873cefe33befaf5c627c377e3b12615e5fe765d89a278204057e33303ac69d321e589c3e1200893b765c5ce77

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

        Filesize

        587KB

        MD5

        d0baa0d82ec0844b959678523b26e4b1

        SHA1

        0a30836df5c7320bf24e57b041a8806da8604c71

        SHA256

        7ef674b88dd7eb4de57149b904ce19e23683aeb69292d8da81e4238f21269724

        SHA512

        4b29ad37a8d560687a56e828011eed6307cffd02a5c6852720c2276f6582c515748b7a38388c650ed4a1c1a0c46550d16b2884ca5d95ac53e7736d625999b9ad

      • C:\Users\Admin\AppData\Local\Temp\is-N1PGM.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-N1PGM.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-PH599.tmp\d406733e27b755ccfa0aee6c41b18ba8858ca33acb868e4fbffa8c7e33789075.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1840-179-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-206-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-203-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-190-0x0000000000950000-0x00000000009F2000-memory.dmp

        Filesize

        648KB

      • memory/1840-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1840-181-0x0000000000950000-0x00000000009F2000-memory.dmp

        Filesize

        648KB

      • memory/1840-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2592-163-0x0000000000570000-0x0000000000571000-memory.dmp

        Filesize

        4KB

      • memory/2592-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2592-10-0x0000000000570000-0x0000000000571000-memory.dmp

        Filesize

        4KB

      • memory/3724-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3724-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3724-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/5060-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5060-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/5060-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB