Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 02:48

General

  • Target

    f79000885f9f6853d9d8e1a930d52f352f71947b297c200ffd784ad1056e0ae3.exe

  • Size

    6.9MB

  • MD5

    4371a891e1ed76bf2a7313c7e6166b6e

  • SHA1

    06dbc571172a71a3a66e22b7b61706a97563f320

  • SHA256

    f79000885f9f6853d9d8e1a930d52f352f71947b297c200ffd784ad1056e0ae3

  • SHA512

    ea3cc9a329de4493bda5fa6510f293aca1101ffff57dd95bf1bc261ed4c8679f54d98ddf409e280756f50fb6236b135b77529e3a1dcec298ef9b25b2ac94fc57

  • SSDEEP

    196608:0K2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:0DY6tiP3myRfzepXe4ny8gxzj

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\f79000885f9f6853d9d8e1a930d52f352f71947b297c200ffd784ad1056e0ae3.exe
    "C:\Users\Admin\AppData\Local\Temp\f79000885f9f6853d9d8e1a930d52f352f71947b297c200ffd784ad1056e0ae3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3728
    • C:\Users\Admin\AppData\Local\Temp\is-7RTM9.tmp\f79000885f9f6853d9d8e1a930d52f352f71947b297c200ffd784ad1056e0ae3.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7RTM9.tmp\f79000885f9f6853d9d8e1a930d52f352f71947b297c200ffd784ad1056e0ae3.tmp" /SL5="$70222,6991381,54272,C:\Users\Admin\AppData\Local\Temp\f79000885f9f6853d9d8e1a930d52f352f71947b297c200ffd784ad1056e0ae3.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3140
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3928
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2500
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4332
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4860
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:3616

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        107KB

        MD5

        1d2e3026c4da0c9ae50f34c85b9b5528

        SHA1

        139c8401e4122b02dc3edb0a7757611d48bea35b

        SHA256

        a0a04c0cd1ad3ebfb32bcf7cd9bda1a11809d0c6a1d60aabe2fa365c0cf3a281

        SHA512

        3f0cc91350e40f66d2c18e841b06c296f9b67d430e7f10cce7e2c4ae967d3a7776ceb45150fac86683a026327096c1133e2a058afbc4717763b77c981b2abaff

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

        Filesize

        27KB

        MD5

        932dc71469c847e6ba3b4620b5dd0e92

        SHA1

        00876338accab716920f966177faa35d6ddf2975

        SHA256

        a6957420872ff397e292ddc79e5f61563ae7e0bb947b957c3f7ee89e9bc56141

        SHA512

        b84137d67e755a2207fe2ff738ce76a1d9538d7bdb1d568647cca1b19a5150541411021542ac93de1877787d13359149ac606b44c89a0601f94359e338d6194c

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

        Filesize

        515KB

        MD5

        8ef393cecc3a8e5e8d4ee0be5007d56b

        SHA1

        4fcb1ee9335b03c82ea594ec4b42ae107343d4f1

        SHA256

        3f60ec50fe8d7a64d29b05092e9b319c6f6515bb28ead9769351f75face893d6

        SHA512

        ca8a0ae8704d262fa0f13e760ebf8e3ae580d84ab2b677bfd57d406fad3116ae001a330436c9db4317680685674c79478783498e42c76b28486bb439c87185fe

      • C:\Users\Admin\AppData\Local\Temp\is-5GQ5N.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-5GQ5N.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-7RTM9.tmp\f79000885f9f6853d9d8e1a930d52f352f71947b297c200ffd784ad1056e0ae3.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/2500-154-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/2500-164-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/2500-151-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/2500-152-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/3140-161-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/3140-10-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/3140-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3728-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3728-158-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3728-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4332-178-0x0000000002310000-0x00000000023B2000-memory.dmp

        Filesize

        648KB

      • memory/4332-182-0x0000000002310000-0x00000000023B2000-memory.dmp

        Filesize

        648KB

      • memory/4332-165-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-166-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-169-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-172-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-175-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-157-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-179-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-160-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-185-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-188-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-189-0x0000000002310000-0x00000000023B2000-memory.dmp

        Filesize

        648KB

      • memory/4332-192-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-195-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-198-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-202-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-205-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-208-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB