Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/12/2023, 02:39

General

  • Target

    fa3d2f22796bf028bfe1e6ac0f981d583b57e02a50b7d58b57f6bb1dec407d8d.exe

  • Size

    6.9MB

  • MD5

    f60b9c4c6a3b92b455819fe7525ee689

  • SHA1

    10f382f75a4107e3bf5fd62196244f037cda5d3d

  • SHA256

    fa3d2f22796bf028bfe1e6ac0f981d583b57e02a50b7d58b57f6bb1dec407d8d

  • SHA512

    cc0990f2b951b8bda9513bb48589220eced624161a86f159defa9f87e6bd3bb21177f5ce7f4a6e9c935f096675b2ce4a03a8c773403516b76c4baa5c7eb96b43

  • SSDEEP

    196608:mA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:2BmakyVnlUQ7Wz3Tv1jNTh0zj

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\fa3d2f22796bf028bfe1e6ac0f981d583b57e02a50b7d58b57f6bb1dec407d8d.exe
    "C:\Users\Admin\AppData\Local\Temp\fa3d2f22796bf028bfe1e6ac0f981d583b57e02a50b7d58b57f6bb1dec407d8d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3316
    • C:\Users\Admin\AppData\Local\Temp\is-7G86T.tmp\fa3d2f22796bf028bfe1e6ac0f981d583b57e02a50b7d58b57f6bb1dec407d8d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7G86T.tmp\fa3d2f22796bf028bfe1e6ac0f981d583b57e02a50b7d58b57f6bb1dec407d8d.tmp" /SL5="$50236,6977575,54272,C:\Users\Admin\AppData\Local\Temp\fa3d2f22796bf028bfe1e6ac0f981d583b57e02a50b7d58b57f6bb1dec407d8d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2924
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3632
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4148
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3676
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2676
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:556

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.7MB

        MD5

        849a8e93146f5683918b9daa3671f76e

        SHA1

        6e0af626cf0a594bc859e63a42bb07cf32741253

        SHA256

        7f6f217ffabfc3ff81d74278f784b1a255f83c42bdfa98273bc7db1bb39ae6b3

        SHA512

        423f7ff8a10d7c9e909b6248bfaf363f08342d23fd647d52ecae98a44ed23b009f9926c804e1599e35f2fef70e68652b191be97b27d698f5e49e708d0abb107d

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

        Filesize

        909KB

        MD5

        4325708737a94678ab3b1b09b685233e

        SHA1

        66f4d08fb27ec8b5079a7ac072a7821dd1e769d5

        SHA256

        64c8f7ff3cc03ea917572a4f1fdb190f5a96068d718be8f81ab0a6515d1d2358

        SHA512

        141eeb46213524f8d3f6afd6bb50586e74774e2dc1e27e50a9b00fc3ddd3f3937c6afbdfb8f851b7bf3ecddebdd78fb6622f408eab618a9b36cc0c31b792ab9b

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

        Filesize

        410KB

        MD5

        403207b9b806e3625a453a80481a9bf8

        SHA1

        60a24cf28272deb8434cd3a25c9fbbb6769ddba3

        SHA256

        5466b35d01a725a83c0acb459e7790a6f533efd3951d6ac03921fab2e3a1f047

        SHA512

        7925ed29617b7c94eac60a2e7e7f6ef40b83fd7e948e6bde9b4d313f631c13b856613ec6b935e931d9a8763a892fb815db7367ddfe0c0f33087b091c887404ec

      • C:\Users\Admin\AppData\Local\Temp\is-7G86T.tmp\fa3d2f22796bf028bfe1e6ac0f981d583b57e02a50b7d58b57f6bb1dec407d8d.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-CKP09.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-CKP09.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2924-7-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/2924-163-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/2924-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3316-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3316-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3316-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3676-179-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-189-0x00000000007D0000-0x0000000000872000-memory.dmp

        Filesize

        648KB

      • memory/3676-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-208-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-198-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-180-0x00000000007D0000-0x0000000000872000-memory.dmp

        Filesize

        648KB

      • memory/3676-185-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-188-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-192-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3676-195-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4148-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4148-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4148-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4148-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB