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Analysis

  • max time kernel
    145s
  • max time network
    151s
  • 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, 03:57

General

  • Target

    dff0b4c4d8f882dfd4cc0ee22893357ea5f8496b9aa6501f0a4d27467a007846.exe

  • Size

    6.9MB

  • MD5

    9549661a62c1f2b1422cf740da009347

  • SHA1

    9869db88fdf342b99981fba528cfc240654718ff

  • SHA256

    dff0b4c4d8f882dfd4cc0ee22893357ea5f8496b9aa6501f0a4d27467a007846

  • SHA512

    faf7fbf77975f0dcc71b7421451b013709ea80d29859909682489c370efe52375b49fa33ef7b9a1372cc2e1d1c24272afceb3a270c91de903109f089643337e4

  • SSDEEP

    196608:AxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:INztzQlcDPXus98d9Jzj

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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dff0b4c4d8f882dfd4cc0ee22893357ea5f8496b9aa6501f0a4d27467a007846.exe
    "C:\Users\Admin\AppData\Local\Temp\dff0b4c4d8f882dfd4cc0ee22893357ea5f8496b9aa6501f0a4d27467a007846.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\AppData\Local\Temp\is-M878N.tmp\dff0b4c4d8f882dfd4cc0ee22893357ea5f8496b9aa6501f0a4d27467a007846.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-M878N.tmp\dff0b4c4d8f882dfd4cc0ee22893357ea5f8496b9aa6501f0a4d27467a007846.tmp" /SL5="$6022A,7025884,54272,C:\Users\Admin\AppData\Local\Temp\dff0b4c4d8f882dfd4cc0ee22893357ea5f8496b9aa6501f0a4d27467a007846.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3592
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1220
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4932
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3024
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:8
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:2816
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:3372
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3572

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.4MB

          MD5

          bb7bab86cf4eccb59042008c7f578ebf

          SHA1

          08b9e0c8f6e2a04bc8d96d830a784c5957a908a0

          SHA256

          f96ef77b4991775d70ce35fc972e5a27c3b0e6882d3555baf831c4b0ba28e9d9

          SHA512

          6038d6e0fa15163cdac0492112edaf7437af9c3df48833481178213a18474294d6872da897b890dcadab0f5ef276cc88689a215a4d57c16d8a1f870e06c12cd4

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

          Filesize

          1.7MB

          MD5

          a4cf838ddc114bc5b457e591849c94e4

          SHA1

          a861d04524749d3e4614a3951249b50c3d21bc86

          SHA256

          bcbe193e13ab92fe73d887d3ea5e6c08cb4e18ac20955b04ba42791fbce830d3

          SHA512

          1ce938ba1fa7def64c314694143bb0b24c31ead60930eec9a16084fe1f9fce9b9436c6d6e43181c9077b5043eb5521a7f0611feca89dbf8474171a5a20ca7a34

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

          Filesize

          474KB

          MD5

          c861a846acc2d28641c4166d61c5386f

          SHA1

          66401598da66e364f81a33b75811e77856112bd5

          SHA256

          6843ddb8a229e9ee56a15e7d532ae679d5433b65aa47c0f4925487c28fc48109

          SHA512

          5bfbd74f731628a0f0e460e7acd28ce58e935b9b2e418d0a5380db1118343e95957aed9b8a36757e6fc91fb12077e7cf0972dbe39a68075ab2198a4f99264910

        • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

          Filesize

          16KB

          MD5

          1d6a85f5f6e30a2c1604468f224fc112

          SHA1

          99275e3bb7e7a3ebc67c19e942fb4a38d1229c78

          SHA256

          de169b37d9ef3c7315b5e760ee4df4dc182afcc3581bdfbef19248996431205b

          SHA512

          f4399e5e2722b3bf348e346e6f9057acbb6e20d3e0d30ab3caf2c450f880643d9b3eb15f24f9d95a8c4e2735a7d0fa0964d29498a5cec0a3aa92a8ad5a430475

        • C:\Users\Admin\AppData\Local\Temp\is-E2G6O.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-E2G6O.tmp\_isetup\_isdecmp.dll

          Filesize

          19KB

          MD5

          3adaa386b671c2df3bae5b39dc093008

          SHA1

          067cf95fbdb922d81db58432c46930f86d23dded

          SHA256

          71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

          SHA512

          bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

        • C:\Users\Admin\AppData\Local\Temp\is-M878N.tmp\dff0b4c4d8f882dfd4cc0ee22893357ea5f8496b9aa6501f0a4d27467a007846.tmp

          Filesize

          687KB

          MD5

          f448d7f4b76e5c9c3a4eaff16a8b9b73

          SHA1

          31808f1ffa84c954376975b7cdb0007e6b762488

          SHA256

          7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

          SHA512

          f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

        • memory/2284-2-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2284-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2284-159-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3024-188-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-192-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-202-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-158-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-198-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-195-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-161-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-189-0x0000000002810000-0x00000000028B2000-memory.dmp

          Filesize

          648KB

        • memory/3024-165-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-166-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-169-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-172-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-175-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-182-0x0000000002810000-0x00000000028B2000-memory.dmp

          Filesize

          648KB

        • memory/3024-179-0x0000000002810000-0x00000000028B2000-memory.dmp

          Filesize

          648KB

        • memory/3024-178-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3024-185-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/3572-204-0x000002D197B40000-0x000002D197B50000-memory.dmp

          Filesize

          64KB

        • memory/3572-220-0x000002D197C40000-0x000002D197C50000-memory.dmp

          Filesize

          64KB

        • memory/3592-162-0x0000000002350000-0x0000000002351000-memory.dmp

          Filesize

          4KB

        • memory/3592-160-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/3592-7-0x0000000002350000-0x0000000002351000-memory.dmp

          Filesize

          4KB

        • memory/4932-151-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/4932-154-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/4932-152-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB

        • memory/4932-155-0x0000000000400000-0x000000000061E000-memory.dmp

          Filesize

          2.1MB