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
    11/12/2023, 02:17

General

  • Target

    f5c4440fcfaa666e075e845dea7a6e5f03d5b54ded4787b27583b7547acdee63.exe

  • Size

    6.9MB

  • MD5

    e2f9cf53dc789200e2568b2e8abce911

  • SHA1

    854417d8ce37e409a40793900a2e0d2f7b584bfc

  • SHA256

    f5c4440fcfaa666e075e845dea7a6e5f03d5b54ded4787b27583b7547acdee63

  • SHA512

    1f302844479f8e5fba4c5a89fd2849c050adbcd3707c9ec1968f8dbf3903229441be5c4ed56199a41296b1af8efe4e52920a952a080b3903344e11836a78ad6d

  • SSDEEP

    98304:I+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:5z25G6bV1yYDuZxCWQNhUU2uNzj

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\f5c4440fcfaa666e075e845dea7a6e5f03d5b54ded4787b27583b7547acdee63.exe
    "C:\Users\Admin\AppData\Local\Temp\f5c4440fcfaa666e075e845dea7a6e5f03d5b54ded4787b27583b7547acdee63.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3224
    • C:\Users\Admin\AppData\Local\Temp\is-DL9CA.tmp\f5c4440fcfaa666e075e845dea7a6e5f03d5b54ded4787b27583b7547acdee63.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DL9CA.tmp\f5c4440fcfaa666e075e845dea7a6e5f03d5b54ded4787b27583b7547acdee63.tmp" /SL5="$401DE,6985375,54272,C:\Users\Admin\AppData\Local\Temp\f5c4440fcfaa666e075e845dea7a6e5f03d5b54ded4787b27583b7547acdee63.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4852
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3060
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2148
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2508
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2796
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3552

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        909KB

        MD5

        a8f13d37cb63712a62d883f5273356bc

        SHA1

        2aae69ecbb1a80a5277b4c97ac46c9446393cccf

        SHA256

        b23ddc3e5e735cf24510ea7f209ffc8feb63bf4eef13d668f341b3a7d2a80849

        SHA512

        c76da39862fb06c007cb26c55932d534e72876286a06e3f130ce6affa24e72a36894336255c39f53a3746b2c2a1f0d613acd993fa5022a24fc7ffa50a27089f1

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

        Filesize

        619KB

        MD5

        963004835d461d38b7854af31cbbb21e

        SHA1

        8db0f87971711a018cf977e1fa63bd5dac6556a8

        SHA256

        0d4b0221fcd98cc6f10e75e5cc10424e47655d44c97a5f4c6dfac0ed26eb7793

        SHA512

        fc51e3ae4c157c113368b899ca5ee04a980a106046b9c9d8e32420501fc11745ff9d8e87490c1f6b3427517b2a848ee23e1f0ab4f1dd308b8d0bd2511beefd37

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

        Filesize

        40KB

        MD5

        57152a4fdc89dbf88d0d19dd507ca1c3

        SHA1

        9abfdbe2fb13b67cc3196a330910095833b273cd

        SHA256

        62d216ba9a55cb27e1944270dbedd7452d13b3b71cad955797e7a8f495fb5be6

        SHA512

        821349e6a209d6ac2e76a0c6d46e997fa5e8d89d4ed1dcad63c00319573a841f69e9dcf8f4ce4daef2eaec0d344cba398aa2210c4320ee0a9d2f19398ad1ac70

      • C:\Users\Admin\AppData\Local\Temp\is-DL9CA.tmp\f5c4440fcfaa666e075e845dea7a6e5f03d5b54ded4787b27583b7547acdee63.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-QC5NH.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-QC5NH.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2148-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2148-155-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2148-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2148-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-186-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-176-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-209-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-159-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-206-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-203-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-162-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-199-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-166-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-167-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-170-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-173-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-196-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-179-0x0000000000940000-0x00000000009E1000-memory.dmp

        Filesize

        644KB

      • memory/2508-180-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-183-0x0000000000940000-0x00000000009E1000-memory.dmp

        Filesize

        644KB

      • memory/2508-193-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-189-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/2508-190-0x0000000000940000-0x00000000009E1000-memory.dmp

        Filesize

        644KB

      • memory/3224-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3224-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3224-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4852-10-0x0000000000580000-0x0000000000581000-memory.dmp

        Filesize

        4KB

      • memory/4852-163-0x0000000000580000-0x0000000000581000-memory.dmp

        Filesize

        4KB

      • memory/4852-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB