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Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 01:37

General

  • Target

    33f202638ddd9ef70fc3a40d5f45a4d3bac024e2cb2ea2287622e62039828d14.exe

  • Size

    6.9MB

  • MD5

    872750f6990493324e3ee9ecd0999103

  • SHA1

    b19a228bac2326fddb821d74ce0f8f1f6b21ab2e

  • SHA256

    33f202638ddd9ef70fc3a40d5f45a4d3bac024e2cb2ea2287622e62039828d14

  • SHA512

    0a10112dfaf334775378a575592765994d4b7b287746d63498f4985eaf409215ce1003523b01454188996b49e7582846b938243ca3803f8608d3c447afbbc52a

  • SSDEEP

    98304:m+koiRLFdsODKUdFxQ8k618KzAYYC9z3Bbgtev25o40nsZJjNw5MQNiEU4P5EKHl:bz25G6bV1yYDuZxCWQNhUU2uNzj

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\33f202638ddd9ef70fc3a40d5f45a4d3bac024e2cb2ea2287622e62039828d14.exe
    "C:\Users\Admin\AppData\Local\Temp\33f202638ddd9ef70fc3a40d5f45a4d3bac024e2cb2ea2287622e62039828d14.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\AppData\Local\Temp\is-1MTUH.tmp\33f202638ddd9ef70fc3a40d5f45a4d3bac024e2cb2ea2287622e62039828d14.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-1MTUH.tmp\33f202638ddd9ef70fc3a40d5f45a4d3bac024e2cb2ea2287622e62039828d14.tmp" /SL5="$60202,6985375,54272,C:\Users\Admin\AppData\Local\Temp\33f202638ddd9ef70fc3a40d5f45a4d3bac024e2cb2ea2287622e62039828d14.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3672
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4776
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3796
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2124
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:2180

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.0MB

        MD5

        b3d10990529aa35e7f4d6a5c51576f89

        SHA1

        6408249267071712b4047ef6b776a5aa69ad0db4

        SHA256

        a9fdb25c9a95a382e323f3882f177487babf28b54f86dd94c51df4c5399a5444

        SHA512

        235d6147d908564337d078f83fbbbbc37af474597a92ec5848e43256feb79d41f9840ed6155560e5b8fc241c22036978206e806646ff622cfbe96ca898838cdc

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

        Filesize

        1.2MB

        MD5

        a1a5c36ba694532061197466839c00ea

        SHA1

        02c99a6ed91629991d3ad3288566be89e2a33127

        SHA256

        8fab7ee1e9c78c072c9b5b59ed446678ed93001a8d25a2d5c0d39bbfaa8bc736

        SHA512

        9456dd9ee09d2c3a10387b9fedba673ee9658b3d39851fa126d7dff229dd8e60871ceca8f300f720b9b3bb908c8fdcd257e23259b7c39e72adfb6feb1eedb864

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

        Filesize

        196KB

        MD5

        7599a5a2d7e7658e9d5f4844c1058236

        SHA1

        b2815dd3e5a0cb2d3a7bfae4a2548481703cd88c

        SHA256

        ce27b32b874bb5987da64dd00e8acfa39ed12d2eb3e7237a4d554a3020fc85a7

        SHA512

        1503ae31e7764717d91e3ff42a533564189e166f370352a03104a2f5985f4e20a1e7a302e4ec98fb409dd9180256f8efa0d75db31cc21035c8c74e884f24efe4

      • C:\Users\Admin\AppData\Local\Temp\is-1MTUH.tmp\33f202638ddd9ef70fc3a40d5f45a4d3bac024e2cb2ea2287622e62039828d14.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-B2IGU.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-B2IGU.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/2196-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2196-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2196-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2448-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2448-158-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3796-181-0x0000000000800000-0x00000000008A1000-memory.dmp

        Filesize

        644KB

      • memory/3796-177-0x0000000000800000-0x00000000008A1000-memory.dmp

        Filesize

        644KB

      • memory/3796-207-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-204-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-160-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-201-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-164-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-165-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-168-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-171-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-174-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-157-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-178-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-197-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-184-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-187-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-188-0x0000000000800000-0x00000000008A1000-memory.dmp

        Filesize

        644KB

      • memory/3796-191-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/3796-194-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4776-150-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4776-151-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4776-152-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB

      • memory/4776-154-0x0000000000400000-0x000000000061B000-memory.dmp

        Filesize

        2.1MB