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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, 21:59

General

  • Target

    f8a7162d902d43bd157ecc8252620ad4022d82afabadec5661f5d980f9d48909.exe

  • Size

    6.9MB

  • MD5

    d4d17caa2171d4fb0d62f2ec9bb4e088

  • SHA1

    a2b2cd7b7c913db16e84b55ab75624e2a2f8df27

  • SHA256

    f8a7162d902d43bd157ecc8252620ad4022d82afabadec5661f5d980f9d48909

  • SHA512

    46b6db07a3ac2d165f423b7e3b0fcbd1a0f7db9033851341cf213c5f1d36d27957ff921baa0138ccb310a6cd8ba1ef46dc0d8802bfd9e1e5807d9754a3dfb4a4

  • SSDEEP

    196608:4xnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:wNztzQlcDPXus98d9Jzj

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\f8a7162d902d43bd157ecc8252620ad4022d82afabadec5661f5d980f9d48909.exe
    "C:\Users\Admin\AppData\Local\Temp\f8a7162d902d43bd157ecc8252620ad4022d82afabadec5661f5d980f9d48909.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3848
    • C:\Users\Admin\AppData\Local\Temp\is-27TUR.tmp\f8a7162d902d43bd157ecc8252620ad4022d82afabadec5661f5d980f9d48909.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-27TUR.tmp\f8a7162d902d43bd157ecc8252620ad4022d82afabadec5661f5d980f9d48909.tmp" /SL5="$A002E,7025884,54272,C:\Users\Admin\AppData\Local\Temp\f8a7162d902d43bd157ecc8252620ad4022d82afabadec5661f5d980f9d48909.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1616
        • C:\Program Files (x86)\CRTGame\crtgame.exe
          "C:\Program Files (x86)\CRTGame\crtgame.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3284
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 10
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4196
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 10
            4⤵
              PID:5052
          • C:\Program Files (x86)\CRTGame\crtgame.exe
            "C:\Program Files (x86)\CRTGame\crtgame.exe" -s
            3⤵
            • Executes dropped EXE
            PID:4332

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.5MB

        MD5

        3581a455e1f5eb5084d33ee2410ea869

        SHA1

        1b70617472a131212c87e578f3a6efcce70c4c8e

        SHA256

        c31f01423a22e6e733ab88a31fd64c99eb21a2b8152481f5276906141f494b4d

        SHA512

        8f221130f936f3e1f348a9eba0900f978cee8b42d0937312fc38e134282ad75760f858f5ecbe09262a6950a6d6b6c470ba9aba6b16e88926115744e2ba7e029f

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

        Filesize

        776KB

        MD5

        d47991d237b42cefc9265be11ff28dbd

        SHA1

        4bf6e1ba89670cadebb636ef410089b2a421861e

        SHA256

        c02c81045d9ca444156c9064f9d5cca041478f64f04298b6cc62ec10f7e3fdc0

        SHA512

        452d99abbe2be72184ebd2f7d3ebc576b7e51dc4c36d609f9bd7b462ab11810515ec2c271031a986e86d82e5f277cc2b7d6544d09212a980c7b783856bbc62f9

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

        Filesize

        474KB

        MD5

        ec9a92b79687de8781cc247a7817e454

        SHA1

        7681e7c25c8cff60cbcd01cb8ec5d339d099badf

        SHA256

        eb552e8afe91b73a5b3abf8b4b4f7e2628d7d9b35f3a75d57b4d60722fb2c441

        SHA512

        52bfdfb8e11045d2ec0f8bc4cdcd82fd34ce3b0d188bc1ae08b19f404e959f73cf3d2551539d2db014cf5e5b361660d95378fd494fcfa4c50a1799c66829cb18

      • C:\Users\Admin\AppData\Local\Temp\is-27TUR.tmp\f8a7162d902d43bd157ecc8252620ad4022d82afabadec5661f5d980f9d48909.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-EUQA2.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-EUQA2.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1276-163-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1276-7-0x0000000002330000-0x0000000002331000-memory.dmp

        Filesize

        4KB

      • memory/1276-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3284-152-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3284-151-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3284-155-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3284-154-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/3848-0-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3848-2-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/3848-160-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/4332-173-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-181-0x00000000009A0000-0x0000000000A42000-memory.dmp

        Filesize

        648KB

      • memory/4332-159-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-166-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-167-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-170-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-157-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-176-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-179-0x00000000009A0000-0x0000000000A42000-memory.dmp

        Filesize

        648KB

      • memory/4332-162-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-180-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-186-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-189-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-190-0x00000000009A0000-0x0000000000A42000-memory.dmp

        Filesize

        648KB

      • memory/4332-193-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-196-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-199-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-203-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-206-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB

      • memory/4332-209-0x0000000000400000-0x000000000061E000-memory.dmp

        Filesize

        2.1MB