Analysis

  • max time kernel
    142s
  • 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
    10/12/2023, 19:40

General

  • Target

    cf9b029f24962f160ced7132dce9718ba4e2fd3d948e277b13b1367c4c615fe4.exe

  • Size

    6.9MB

  • MD5

    ad463871733f2791b8f25b02905b019d

  • SHA1

    d5be0fa4f80d71cb21b47883879f54110c8d5548

  • SHA256

    cf9b029f24962f160ced7132dce9718ba4e2fd3d948e277b13b1367c4c615fe4

  • SHA512

    eb32cec1bb000103ce4f447c0bfef17cb7d02575311b5a960fbd516c457497b53c91df576f8f817915b4772cef987db2a1b4b63979f42ad7523bb4547c9f6dbb

  • SSDEEP

    196608:4xnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:wNztzQlcDPXus98d9Jzj

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\cf9b029f24962f160ced7132dce9718ba4e2fd3d948e277b13b1367c4c615fe4.exe
    "C:\Users\Admin\AppData\Local\Temp\cf9b029f24962f160ced7132dce9718ba4e2fd3d948e277b13b1367c4c615fe4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:680
    • C:\Users\Admin\AppData\Local\Temp\is-21DOO.tmp\cf9b029f24962f160ced7132dce9718ba4e2fd3d948e277b13b1367c4c615fe4.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-21DOO.tmp\cf9b029f24962f160ced7132dce9718ba4e2fd3d948e277b13b1367c4c615fe4.tmp" /SL5="$B0068,7025884,54272,C:\Users\Admin\AppData\Local\Temp\cf9b029f24962f160ced7132dce9718ba4e2fd3d948e277b13b1367c4c615fe4.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4580
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4292
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1004
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4404
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3592
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:3076

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              367KB

              MD5

              eef6ae7b263cd2bb71595dec060fd7ce

              SHA1

              5d730e5326c4498c783c08f63c9203a3256e1803

              SHA256

              ce4093855f88b7252fc800b6314506ae12eedead567c77524f51e2a9ce482a6c

              SHA512

              c6d9cdc298554c1bca6b0979934adfb6ed0a5bafb073ba90c8de465004a2bcb04354b848f0e55a7003b5aa888ec13cf26c06a3cb168f3c5ee285d8350c9227c6

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

              Filesize

              115KB

              MD5

              1ba88e7408beea9e44c0d937981092c0

              SHA1

              06a457b21ada6a55da3f198b312bfae2ecb63202

              SHA256

              df406d8cb23d067a58c0f33362cb849d4439e95cbdf808c0a82ac34bb5371626

              SHA512

              bfecb7d0cdeea8cf5d6673c4ec8c6211b31a06fafbad0d9f4128a080cd94413b98389520bceef3679dbae59190f1d1443ca23eeea6fe2839c57e8743c27e1ba6

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

              Filesize

              116KB

              MD5

              427837690275938e8aee2480f2ec284f

              SHA1

              d4428131635f21d4fe8f900af7b7d032752c1e24

              SHA256

              a775ec8ed7e889e49f171693c74390929f7b9c3a69eea883fdb8e3c9d615dfb6

              SHA512

              acdb353633be2bad0881d55f10d40084ec766a861aa550539f9183d78bbaa6d486192698cde19d7a178cbddffbb9752c15db5cf373095e3968a8ed058454adaa

            • C:\Users\Admin\AppData\Local\Temp\is-21DOO.tmp\cf9b029f24962f160ced7132dce9718ba4e2fd3d948e277b13b1367c4c615fe4.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • C:\Users\Admin\AppData\Local\Temp\is-UM5VU.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-UM5VU.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/680-0-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/680-2-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/680-160-0x0000000000400000-0x0000000000414000-memory.dmp

              Filesize

              80KB

            • memory/1004-151-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1004-152-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1004-155-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/1004-154-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-186-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-179-0x0000000000880000-0x0000000000922000-memory.dmp

              Filesize

              648KB

            • memory/4404-158-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-209-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-162-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-206-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-166-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-167-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-170-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-173-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-176-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-159-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-182-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-183-0x0000000000880000-0x0000000000922000-memory.dmp

              Filesize

              648KB

            • memory/4404-203-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-189-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-190-0x0000000000880000-0x0000000000922000-memory.dmp

              Filesize

              648KB

            • memory/4404-193-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-196-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4404-199-0x0000000000400000-0x000000000061E000-memory.dmp

              Filesize

              2.1MB

            • memory/4580-7-0x0000000000680000-0x0000000000681000-memory.dmp

              Filesize

              4KB

            • memory/4580-163-0x0000000000680000-0x0000000000681000-memory.dmp

              Filesize

              4KB

            • memory/4580-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB