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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • 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, 18:50

General

  • Target

    8e149a9307ba415241ab93b6616a384e2a085f3e787e7abb562646f758ca26dc.exe

  • Size

    6.9MB

  • MD5

    76a9af5357e78c6e984030a7ec14f33e

  • SHA1

    51b93eaecabc98c6b61a4b83bc55ea2bd4039a26

  • SHA256

    8e149a9307ba415241ab93b6616a384e2a085f3e787e7abb562646f758ca26dc

  • SHA512

    57e57133280927b066d35631de7c804404b14ab6b56b52c0ae33b0b54a5ea6d221bb090a4efeae539d1c1cd37973f00e95122a18655af2d4fa8ff80a866f12ce

  • SSDEEP

    196608:ZA89BmaeXRdyXFnlUrU7o7Bz3HzNNn1jnNnTfMImG0zj:hBmakyVnlUQ7Wz3Tv1jNTh0zj

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\8e149a9307ba415241ab93b6616a384e2a085f3e787e7abb562646f758ca26dc.exe
    "C:\Users\Admin\AppData\Local\Temp\8e149a9307ba415241ab93b6616a384e2a085f3e787e7abb562646f758ca26dc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4668
    • C:\Users\Admin\AppData\Local\Temp\is-7IS2O.tmp\8e149a9307ba415241ab93b6616a384e2a085f3e787e7abb562646f758ca26dc.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7IS2O.tmp\8e149a9307ba415241ab93b6616a384e2a085f3e787e7abb562646f758ca26dc.tmp" /SL5="$140064,6977575,54272,C:\Users\Admin\AppData\Local\Temp\8e149a9307ba415241ab93b6616a384e2a085f3e787e7abb562646f758ca26dc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1268
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:2184
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3548
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4508
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:3300

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        241KB

        MD5

        facff67026a6357a9812033ce30af3f7

        SHA1

        ef3cd79d56198db557dfa3beea8aa8df39710f02

        SHA256

        64ffe9b895b0d1bf2f626e7012f156eba4f82313b81750250a520502d41419fa

        SHA512

        436956ed605a3e11fa6a89af5be1183cdd5f43495b905236d34628735b0d0282558ea5177d0b2950a0650623a699dd7caa8126650facf344535fa035c93acedb

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

        Filesize

        140KB

        MD5

        accda469b52592ed35a5c1561b149886

        SHA1

        12ef35b0ff6618a177d65c0d769bf6923bbf2251

        SHA256

        9f9da18ac460b6d74677a0a1d9ac3efc1378b6391b4c2897e183805cdf668ca1

        SHA512

        216f04f36755e39adc3b0b9af559c285c7cac2d6b8c475752d7064c7cf11bf76da5e2b9077e4b4afde714b32790b4d19f69b82d3c086df71c8f46bba3c0c1478

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

        Filesize

        188KB

        MD5

        b2d272c976a90f5b503aaf4988655aed

        SHA1

        7a12649e02647a95fbbbf02d41ef62f92748a128

        SHA256

        5485363e26f6d0010b61f00fb7213b705f12caa4c4f72da3cb478af5d0aaed0f

        SHA512

        dfbd9607612286e3ce6ed40b16fb2ccef8a4a7ebde8f96af7055db8c76c33f374886d2359e78dfcc42199968e9ba3f8a7f1d321c081621ece4ec9a7ac12a4892

      • C:\Users\Admin\AppData\Local\Temp\is-3BO9N.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-3BO9N.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-7IS2O.tmp\8e149a9307ba415241ab93b6616a384e2a085f3e787e7abb562646f758ca26dc.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/2184-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2184-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2184-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2184-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/2612-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2612-7-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/2612-163-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/3548-190-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-180-0x0000000000830000-0x00000000008D2000-memory.dmp

        Filesize

        648KB

      • memory/3548-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-210-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-168-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-171-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-174-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-177-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-207-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-181-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-184-0x0000000000830000-0x00000000008D2000-memory.dmp

        Filesize

        648KB

      • memory/3548-187-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-204-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-191-0x0000000000830000-0x00000000008D2000-memory.dmp

        Filesize

        648KB

      • memory/3548-194-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-197-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3548-200-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4668-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4668-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4668-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB