Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2023 21:39

General

  • Target

    cbe057f244ad5a95318ccbaece211558472b62cca261b7824d4fa20829980946.exe

  • Size

    6.9MB

  • MD5

    15c3a3e11c1669b89a479dff7a527f67

  • SHA1

    76d767d9c1ee7ad3b28f2ee80c970736181e0d80

  • SHA256

    cbe057f244ad5a95318ccbaece211558472b62cca261b7824d4fa20829980946

  • SHA512

    69e42043a500e95439052f2fb30a34d5e399912009312c33497a91e89c80322f3ac37867531bb445e7833146456a598553eac7c7b058742e9b32164b0e7962ca

  • SSDEEP

    98304:N+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:Qz25G6bV1yYDuZxCWQNhUU2uNzj

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\cbe057f244ad5a95318ccbaece211558472b62cca261b7824d4fa20829980946.exe
    "C:\Users\Admin\AppData\Local\Temp\cbe057f244ad5a95318ccbaece211558472b62cca261b7824d4fa20829980946.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Users\Admin\AppData\Local\Temp\is-2T7AL.tmp\cbe057f244ad5a95318ccbaece211558472b62cca261b7824d4fa20829980946.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2T7AL.tmp\cbe057f244ad5a95318ccbaece211558472b62cca261b7824d4fa20829980946.tmp" /SL5="$110042,6985375,54272,C:\Users\Admin\AppData\Local\Temp\cbe057f244ad5a95318ccbaece211558472b62cca261b7824d4fa20829980946.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1320
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2936
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2240
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4152
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5056
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4528

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.3MB

        MD5

        16cb404f5f9708eeb424cf09bcbe2320

        SHA1

        bfe5e9aa656fe417bdf812f652904ec623c6bf78

        SHA256

        8188d1f9c284c9731fc10f49d6fbcdf5a242878afe191b46c4e90daf30b3fcba

        SHA512

        d81287a15e8ee49b94a6186cb7e2b66adc77287bb4b521e0e6277ab010695dbdad013ef868402f14a8f02a817a7318a69695fb4680aea400ca727aae81107856

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

        Filesize

        1.7MB

        MD5

        132e3ea5c7c49141fbc6499646595dbc

        SHA1

        c49ad948688aebaea082db6cc46bb8bdc14668ca

        SHA256

        156805f2e28f6cb0c770b1ae6f10230f8e64d50447818aacefb3f23a5f038195

        SHA512

        888fb0914a4ae64e2e3781ecc36e3a46ab2cd9e89c785a5f2b79943c225cf79015b4568bd094a1cef87a0b15ce3cf39d64c749af59ae5217f65b5dd000c15cc3

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

        Filesize

        596KB

        MD5

        af28545cc0497cf74e8c5211df4dc0c2

        SHA1

        8f45a8c5de15a5b2fe63d24143afbe6bb151d9ec

        SHA256

        af4884a5577977b7a69f2acc11af065467c35e66112bd5adb76d5bdd1866eda4

        SHA512

        001af911cbee6d8ceb27b6be9bd72e93d980a1e7c493674db8019144237b5f374bfe578780ae1640c172728dbdac3081f45fae50d4c86946e595dcb15d9cd7b5

      • C:\Users\Admin\AppData\Local\Temp\is-2T7AL.tmp\cbe057f244ad5a95318ccbaece211558472b62cca261b7824d4fa20829980946.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-D905A.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-D905A.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1320-6-0x0000000002100000-0x0000000002101000-memory.dmp

        Filesize

        4KB

      • memory/1320-162-0x0000000002100000-0x0000000002101000-memory.dmp

        Filesize

        4KB

      • memory/1320-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2240-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2240-153-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2240-150-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2720-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2720-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4152-172-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-179-0x0000000000740000-0x00000000007E1000-memory.dmp

        Filesize

        644KB

      • memory/4152-158-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-165-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-169-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-156-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-175-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-178-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-161-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-184-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-187-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-188-0x0000000000740000-0x00000000007E1000-memory.dmp

        Filesize

        644KB

      • memory/4152-191-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-194-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-197-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-201-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-204-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4152-207-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB