Analysis

  • max time kernel
    141s
  • max time network
    148s
  • 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, 03:05

General

  • Target

    f9f61adb3b37b2d3432b830d367a323432e20ef3b760b3c96d11adc3a8fc4765.exe

  • Size

    6.9MB

  • MD5

    a6f76ca3073ffb9065173a62a71242f7

  • SHA1

    655d6a3481f920d19fc912214b2b15f27e4c67a1

  • SHA256

    f9f61adb3b37b2d3432b830d367a323432e20ef3b760b3c96d11adc3a8fc4765

  • SHA512

    6d2ca7ba1f8f6062be48012b34713555e13a144ed4fb59b275b8e41c978959cc441a985962e25cb42f0ca0b9230fec752d1df53732d0ea2c9bcfe46a44cc9ee8

  • SSDEEP

    196608:QK2+nNevvWstwr2m5BmycyEbSfasepd5e4x6+AjZ6mjxzj:QDY6tiP3myRfzepXe4ny8gxzj

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\f9f61adb3b37b2d3432b830d367a323432e20ef3b760b3c96d11adc3a8fc4765.exe
    "C:\Users\Admin\AppData\Local\Temp\f9f61adb3b37b2d3432b830d367a323432e20ef3b760b3c96d11adc3a8fc4765.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\is-64EO3.tmp\f9f61adb3b37b2d3432b830d367a323432e20ef3b760b3c96d11adc3a8fc4765.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-64EO3.tmp\f9f61adb3b37b2d3432b830d367a323432e20ef3b760b3c96d11adc3a8fc4765.tmp" /SL5="$401DE,6991381,54272,C:\Users\Admin\AppData\Local\Temp\f9f61adb3b37b2d3432b830d367a323432e20ef3b760b3c96d11adc3a8fc4765.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4648
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1976
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:984
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4048
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:1012

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.1MB

        MD5

        14af7b7c6bc4746fe28f08feca1dcd6e

        SHA1

        dbaf0ac2739fdbf7406225ef64f2e6145f2a89f9

        SHA256

        6d1ff028c62299097077887cecad0f5945f214d5f2e0285a7666c89cb75b0d41

        SHA512

        e4832d98147ead0ed71fc54318598773375aa2fbdaa1be3f91f0a02ca123bae792e3fd8b9d8730fd912727ff1397377216841d505e2738b253e809e696d5e449

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

        Filesize

        467KB

        MD5

        4a4f842e9ac10c8407ee0a974533caa7

        SHA1

        2d65ad2dc6cd06fcecfe85bb39623ec70a2da123

        SHA256

        19cf4a7b3ce30d3af5101e7d160f7fb1438f110cc1bccd2f18051ffe7ad3fb10

        SHA512

        01df7aa7d542e2771557e7d4e75c81d1d8a5cd1f3830f748489d602ba8bcaf58265f86dbe7235e74b17646fbb8f14bb3c429847a70e4bb41f0655880c8396c0a

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

        Filesize

        260KB

        MD5

        1b802eb56b20fe3ed28bb9320a71d622

        SHA1

        245a3c8c6f33db8e6bbc3d0a2650d89e20623424

        SHA256

        2b6176a08ef11f53a126de80c55914b0107ac87c77083c153fa74b7c5a7dd753

        SHA512

        d34e94f31beb54496ac58118571e182dca620d6c4d83240bcdf101226f46a7bafbbfbf51c45995149046982fa26c08580ab2ea9ce20b2b6ed7e8edfe5f4ffc87

      • C:\Users\Admin\AppData\Local\Temp\is-3PB7H.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-3PB7H.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-64EO3.tmp\f9f61adb3b37b2d3432b830d367a323432e20ef3b760b3c96d11adc3a8fc4765.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1012-198-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-165-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-189-0x0000000000890000-0x0000000000932000-memory.dmp

        Filesize

        648KB

      • memory/1012-205-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-202-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-188-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-158-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-185-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-192-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-161-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-195-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-208-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-166-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-169-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-172-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-175-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-179-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1012-178-0x0000000000890000-0x0000000000932000-memory.dmp

        Filesize

        648KB

      • memory/1012-182-0x0000000000890000-0x0000000000932000-memory.dmp

        Filesize

        648KB

      • memory/1664-159-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1664-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1664-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1976-151-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1976-155-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/1976-152-0x0000000000400000-0x000000000061C000-memory.dmp

        Filesize

        2.1MB

      • memory/2252-162-0x00000000020F0000-0x00000000020F1000-memory.dmp

        Filesize

        4KB

      • memory/2252-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2252-10-0x00000000020F0000-0x00000000020F1000-memory.dmp

        Filesize

        4KB