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Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2023, 21:49

General

  • Target

    6c4a5e6b20a9740078f74cee0818021346efe4b18a4afa338a09dc3d8ac8e43c.exe

  • Size

    6.9MB

  • MD5

    ab948194c3bb3d3bcfb96bbc2cdffa48

  • SHA1

    04ae7601fdab0d772b6825b77661ce418ca5f239

  • SHA256

    6c4a5e6b20a9740078f74cee0818021346efe4b18a4afa338a09dc3d8ac8e43c

  • SHA512

    1a65a05de0f89e1fa4addd5982d556b15d54451c5a3e8385b9001186549a5b179c18714332ff705488b94783bb5670630b2af70480d06003a7570394c8f1cd15

  • SSDEEP

    196608:kxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:MNztzQlcDPXus98d9Jzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\6c4a5e6b20a9740078f74cee0818021346efe4b18a4afa338a09dc3d8ac8e43c.exe
    "C:\Users\Admin\AppData\Local\Temp\6c4a5e6b20a9740078f74cee0818021346efe4b18a4afa338a09dc3d8ac8e43c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Users\Admin\AppData\Local\Temp\is-TLD8E.tmp\6c4a5e6b20a9740078f74cee0818021346efe4b18a4afa338a09dc3d8ac8e43c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TLD8E.tmp\6c4a5e6b20a9740078f74cee0818021346efe4b18a4afa338a09dc3d8ac8e43c.tmp" /SL5="$180042,7025884,54272,C:\Users\Admin\AppData\Local\Temp\6c4a5e6b20a9740078f74cee0818021346efe4b18a4afa338a09dc3d8ac8e43c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2452
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1068
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1620
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1692
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 10
      1⤵
        PID:3556

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        595KB

        MD5

        36d400cdb73e90da05e9e632f9443364

        SHA1

        0ffae2e4c396fb8b79c2e6920aed0e1ea5aea3c8

        SHA256

        ce47e6cb24cb76781c17a08a2f7ca222a9e81369217c4a6bb8bf5b6386c4172c

        SHA512

        e03850c784b0017cb7a53f9dbf3b9e10ba5192da21b8b6f283d25452df7d67cfbfac05803d11509027360460ec15759c3c087cd946a844829bb96f260822ff89

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

        Filesize

        506KB

        MD5

        0c74e9a463ef4ae806a8f6ae65d96973

        SHA1

        7dba9ad3380f4fe37b933d027c80ac163311bb72

        SHA256

        dce770686f4142a2c8dbe48de1cee1d53e6a2559dc1c70ef1ffa0069d8f738b1

        SHA512

        b21f5ee9494daa7ce9572fbf4b592e9ecda2295481e91b8c79990eba29bb5207dcd167eb7063092ac7cb8ce7f96e38ff86c55f8a435cbad182b2708a2c55dc49

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

        Filesize

        643KB

        MD5

        39967a45fe10e30220c479137296290f

        SHA1

        44556dda2ea7358886f2812fa497f74d76509d6e

        SHA256

        7e89df85ccf711d84dc14810b44a39c1c252e223542b7a441058161eb50316cf

        SHA512

        70348cee19d8d13a4bee761124256047d6f204b20cac3128abb947342cc7de8629ee1a09ccaa77045d247c1da68163d86604d02aa26cd4ebf3a8513e039ee17d

      • C:\Users\Admin\AppData\Local\Temp\is-AC9JL.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-AC9JL.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-TLD8E.tmp\6c4a5e6b20a9740078f74cee0818021346efe4b18a4afa338a09dc3d8ac8e43c.tmp

        Filesize

        264KB

        MD5

        46c5c6fa049b0be91fc497ae9cf3bca9

        SHA1

        c07dce5d730afa801c2b41fda3e607507a38e800

        SHA256

        f9999b53c7fda4a0f17ea7dc215f03f57286e062464ca525a0022f465d84186e

        SHA512

        b8aae434c108b28765db7496aa931f372c3aff3655b3516e239bc1e2cce812416a8b8277d0dd09d1c18df0f8e9bad9199bee5392f5c8807ffcb827d52782189b

      • C:\Users\Admin\AppData\Local\Temp\is-TLD8E.tmp\6c4a5e6b20a9740078f74cee0818021346efe4b18a4afa338a09dc3d8ac8e43c.tmp

        Filesize

        146KB

        MD5

        0df8554edb6dfdd912b30539f3117265

        SHA1

        8af67c4eeef01f58bc081ece874c9d9ea905307d

        SHA256

        eb188987cd884ea7cfdd6df49f4c8042a9900fa485142115a4187d2b9ce7f6a7

        SHA512

        aa3395fd55abb169db282bdf81c44d6799f0bb27ccf789614b0030865ff11ec744b10c6a8bb8bcc7203ef48aada5a7dbf5414bb61bdcf54084dc40521805362b

      • memory/432-13-0x0000000000610000-0x0000000000611000-memory.dmp

        Filesize

        4KB

      • memory/432-163-0x0000000000610000-0x0000000000611000-memory.dmp

        Filesize

        4KB

      • memory/432-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1068-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1068-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-180-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-158-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-205-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-168-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-171-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-174-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-177-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-202-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-181-0x0000000000910000-0x00000000009B2000-memory.dmp

        Filesize

        648KB

      • memory/1620-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-190-0x0000000000910000-0x00000000009B2000-memory.dmp

        Filesize

        648KB

      • memory/1620-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/1620-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3932-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3932-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3932-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB