Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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, 00:58

General

  • Target

    8832d253751bd74833a8b28d5b7f73006756aee0beac9eeabb405627d4b5cef2.exe

  • Size

    6.9MB

  • MD5

    0f251107e1ae57f17404d944079025b7

  • SHA1

    6c71c27902ec004a62b79ff7e28ca9c4b937a15b

  • SHA256

    8832d253751bd74833a8b28d5b7f73006756aee0beac9eeabb405627d4b5cef2

  • SHA512

    31f6344e4c264ff1228cd4f7a59fd6d0b0fb2ddb2b063870d43dc5c4d8e29f954222c8ffb8496a872d4fd293c394f24d12b782148250024c5257c87bfbc10936

  • SSDEEP

    98304:++koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:Dz25G6bV1yYDuZxCWQNhUU2uNzj

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\8832d253751bd74833a8b28d5b7f73006756aee0beac9eeabb405627d4b5cef2.exe
    "C:\Users\Admin\AppData\Local\Temp\8832d253751bd74833a8b28d5b7f73006756aee0beac9eeabb405627d4b5cef2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:292
    • C:\Users\Admin\AppData\Local\Temp\is-8DPKG.tmp\8832d253751bd74833a8b28d5b7f73006756aee0beac9eeabb405627d4b5cef2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8DPKG.tmp\8832d253751bd74833a8b28d5b7f73006756aee0beac9eeabb405627d4b5cef2.tmp" /SL5="$50228,6985375,54272,C:\Users\Admin\AppData\Local\Temp\8832d253751bd74833a8b28d5b7f73006756aee0beac9eeabb405627d4b5cef2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4776
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2920
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3068
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2416
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3928
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:3600

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        893KB

        MD5

        d481370924798fb18132a0ba5646e8e5

        SHA1

        6b1c4c790bbdea2bff96f01ef042886028bbbf9e

        SHA256

        f8c0346d2e6a1ef055b91d0e062b7474750ed0fbab8c61254b256f73628a4942

        SHA512

        f4a387858967023c7e77a1b04dc7dd3a1b3454245ba778668f270d1555c5c67da07345b4b131aacbd23b8d252830d55d386dd5e3e5a67f1e04fb3235b2c48e96

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

        Filesize

        1.8MB

        MD5

        3bb6b059438c95f860340fd2ab758e03

        SHA1

        2c38835fb72a4d02b89e30f036ed535f71949814

        SHA256

        aa71ee935d3da570de4f1b003c222190725b9f1a5d24e80b3d0c3e7223f8624c

        SHA512

        569bc53e27483d05a11cbee4b3911c63f5685979876bf222d4575a1a7e7da4c1f72e632aa3137e455f251cd7b0b73fbb871482303160f8b4b07abc9632f75ad2

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

        Filesize

        725KB

        MD5

        6ebc25553c925786d02bc247bde1d0a2

        SHA1

        ae99ccb0617e716ce756c8ae5dafede07affb40a

        SHA256

        23a2917a37777131865c9051ba528dbf575e6f84ee5477777920a857b14b156d

        SHA512

        0af3d173a649e407aab01daa7f7da31e90a84bcef42302407e14b5b7c10c6b66ef5561c7d8468789cc25570e86b3df0da25103c8c10a2fb99529ba863ec689fd

      • C:\Users\Admin\AppData\Local\Temp\is-8DPKG.tmp\8832d253751bd74833a8b28d5b7f73006756aee0beac9eeabb405627d4b5cef2.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-LS9NT.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-LS9NT.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/292-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/292-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/292-3-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3068-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3068-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3068-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3068-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-183-0x0000000000800000-0x00000000008A1000-memory.dmp

        Filesize

        644KB

      • memory/3600-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-211-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-208-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-179-0x0000000000800000-0x00000000008A1000-memory.dmp

        Filesize

        644KB

      • memory/3600-180-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-204-0x0000000000800000-0x00000000008A1000-memory.dmp

        Filesize

        644KB

      • memory/3600-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-190-0x0000000000800000-0x00000000008A1000-memory.dmp

        Filesize

        644KB

      • memory/3600-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-202-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3600-203-0x0000000000800000-0x00000000008A1000-memory.dmp

        Filesize

        644KB

      • memory/4776-11-0x00000000005D0000-0x00000000005D1000-memory.dmp

        Filesize

        4KB

      • memory/4776-163-0x00000000005D0000-0x00000000005D1000-memory.dmp

        Filesize

        4KB

      • memory/4776-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB