Analysis

  • max time kernel
    145s
  • max time network
    134s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-12-2023 23:45

General

  • Target

    a0fa3ae64edf9b76f962b987204aba2d84ab21123ed81885aea552374fa2a15d.exe

  • Size

    6.9MB

  • MD5

    2a24e59f7eb69b88d29387103e47de9f

  • SHA1

    cd227d7ccd621a68c6bf44a3172807384dae20b0

  • SHA256

    a0fa3ae64edf9b76f962b987204aba2d84ab21123ed81885aea552374fa2a15d

  • SHA512

    caaf628f0b65b9e549fadec24a8146f5ea53214c9bbd60933d91ae795b945f5d113679874dcb40b2206e54bfc13610f1072ec85670551da819e1fa2c523b8315

  • SSDEEP

    196608:JxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:vNztzQlcDPXus98d9Jzj

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\a0fa3ae64edf9b76f962b987204aba2d84ab21123ed81885aea552374fa2a15d.exe
    "C:\Users\Admin\AppData\Local\Temp\a0fa3ae64edf9b76f962b987204aba2d84ab21123ed81885aea552374fa2a15d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Users\Admin\AppData\Local\Temp\is-84OOH.tmp\a0fa3ae64edf9b76f962b987204aba2d84ab21123ed81885aea552374fa2a15d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-84OOH.tmp\a0fa3ae64edf9b76f962b987204aba2d84ab21123ed81885aea552374fa2a15d.tmp" /SL5="$E01E2,7025884,54272,C:\Users\Admin\AppData\Local\Temp\a0fa3ae64edf9b76f962b987204aba2d84ab21123ed81885aea552374fa2a15d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3224
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:5092
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4068
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4532
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:4980
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4360

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        3362bac458070e33d0cabcda1e4b735c

        SHA1

        76ac1f5b96667d9621eedd92ab0704b9c7a129b0

        SHA256

        4dbfd9df16a57d8ff7a00a378fe737efc179f53f2ce975daeaedbaa6ab8bcecd

        SHA512

        59ed8a9d16e100ad91d98ad3a08eabe148234633e59bfb4bef1b63e5a54c3e63193f088ad1538c4898a7a6ac5ead65a2e244ae64bc5325bbf87e763474c5a5ce

      • C:\Users\Admin\AppData\Local\Temp\is-84OOH.tmp\a0fa3ae64edf9b76f962b987204aba2d84ab21123ed81885aea552374fa2a15d.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1000-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1000-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/1000-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3224-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3224-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3224-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4068-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4068-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4068-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4068-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-179-0x00000000008F0000-0x0000000000992000-memory.dmp

        Filesize

        648KB

      • memory/4360-180-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-183-0x00000000008F0000-0x0000000000992000-memory.dmp

        Filesize

        648KB

      • memory/4360-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-190-0x00000000008F0000-0x0000000000992000-memory.dmp

        Filesize

        648KB

      • memory/4360-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-202-0x00000000008F0000-0x0000000000992000-memory.dmp

        Filesize

        648KB

      • memory/4360-203-0x00000000008F0000-0x0000000000992000-memory.dmp

        Filesize

        648KB

      • memory/4360-204-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-207-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4360-210-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB