Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 03:17

General

  • Target

    ceb8f3a6e9e20e2d848aaa35a273eaf2a2c8ce342c1c77957d6f1403b5e4d144.exe

  • Size

    6.9MB

  • MD5

    2a9328080f28da53c905bf79da24ed4d

  • SHA1

    11d83260d201f16fd8f3be1b72ef99af8c8c76e9

  • SHA256

    ceb8f3a6e9e20e2d848aaa35a273eaf2a2c8ce342c1c77957d6f1403b5e4d144

  • SHA512

    f3b7be4666afae51ad582701d6adcc8a844e9d4bc18a9df330ec74eee5ac76f7c5cdc69551e05325ac90b791239326df557ed597dcc8eafe0bc8ef1c65ccb13d

  • SSDEEP

    196608:/xnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:FNztzQlcDPXus98d9Jzj

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\ceb8f3a6e9e20e2d848aaa35a273eaf2a2c8ce342c1c77957d6f1403b5e4d144.exe
    "C:\Users\Admin\AppData\Local\Temp\ceb8f3a6e9e20e2d848aaa35a273eaf2a2c8ce342c1c77957d6f1403b5e4d144.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:200
    • C:\Users\Admin\AppData\Local\Temp\is-O2E9B.tmp\ceb8f3a6e9e20e2d848aaa35a273eaf2a2c8ce342c1c77957d6f1403b5e4d144.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-O2E9B.tmp\ceb8f3a6e9e20e2d848aaa35a273eaf2a2c8ce342c1c77957d6f1403b5e4d144.tmp" /SL5="$D002E,7025884,54272,C:\Users\Admin\AppData\Local\Temp\ceb8f3a6e9e20e2d848aaa35a273eaf2a2c8ce342c1c77957d6f1403b5e4d144.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4740
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 10
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2460
      • C:\Program Files (x86)\CRTGame\crtgame.exe
        "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
        3⤵
        • Executes dropped EXE
        PID:984
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:804
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:4668

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        414KB

        MD5

        4a5598e3bc6ec0da14a3579df3be6681

        SHA1

        4353361753aecef492fd801f6d50cfc398853f8a

        SHA256

        fa0bfdaa702563e02716e093b417170de63bccae888c182b97b50375335e0017

        SHA512

        cf6011dc8a56fa155aa610637194a5ccf63ab50ab0bc853aaee3b5107edfa9982307437743e9930153cb30d3478d8c03dd5f172a348f78f81d8c06c7bb6c4380

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

        Filesize

        372KB

        MD5

        bae9044add855c087a6fc4b04f986c23

        SHA1

        64c87c3811864da50da8df07f038a7fd34efb94f

        SHA256

        0ec3962d9bbeb41bb7a0029d69f558ba9674d9824943540414b05965c74ed185

        SHA512

        39cc0647188c58889e598760570009e09e86b3ae517128e959efbe1f7e58224fc13b1c75dd356e14f79cbbc299a55623e5985c52e25b1589290a3b2084ee2ee7

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

        Filesize

        104KB

        MD5

        369dffe4e1711361a3ce22c89c544edd

        SHA1

        1c0377d8d732ad73122e2dc5c928378536937a07

        SHA256

        aac4bf9510697b3ff38d40f156434aec82402463a6d7e49a520ef1edeb7e1bc6

        SHA512

        fc9a7a1499d351a616818178c53e8bcb75b73089008c0e1a93154d6bf1cd8ae0fea796ba5a84fbe821c9685496895110e6128690f744bc8133c4405f4ec4cc79

      • C:\Users\Admin\AppData\Local\Temp\is-O2E9B.tmp\ceb8f3a6e9e20e2d848aaa35a273eaf2a2c8ce342c1c77957d6f1403b5e4d144.tmp

        Filesize

        501KB

        MD5

        09d74c875164661997f3e13603344987

        SHA1

        9028b717e7db9983ff70dee6c7dc59585a2ada1a

        SHA256

        a0b2fea802b597c5542a6db2e3fa49b7d5a040f6a2ae641b26b96099ea45a8fa

        SHA512

        437580c0b084300d885383ae72314f66db178cdb8929f11f41b808e27cb9a44d061fcd2a945198ac3c2edaf313b55b1332e3e4fc0270532b464b8aff78096460

      • C:\Users\Admin\AppData\Local\Temp\is-O2E9B.tmp\ceb8f3a6e9e20e2d848aaa35a273eaf2a2c8ce342c1c77957d6f1403b5e4d144.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-MEUGV.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-MEUGV.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/200-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/200-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/200-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/984-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/984-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/984-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1268-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1268-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1268-12-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4740-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-182-0x00000000008C0000-0x0000000000962000-memory.dmp

        Filesize

        648KB

      • memory/4740-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-165-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-169-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-172-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-175-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-176-0x00000000008C0000-0x0000000000962000-memory.dmp

        Filesize

        648KB

      • memory/4740-161-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-181-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-185-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-188-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-189-0x00000000008C0000-0x0000000000962000-memory.dmp

        Filesize

        648KB

      • memory/4740-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-195-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-198-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-201-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4740-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB