Analysis

  • max time kernel
    143s
  • 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
    12-12-2023 13:24

General

  • Target

    dca5e06a9d40af360fb67bad39089e14bdbdef3aeb243bd8ee3c5582f6ed9660.exe

  • Size

    7.0MB

  • MD5

    76d1807d2bf1bf78974022374a18e04e

  • SHA1

    3f6f4ccdd1a3542fa83cb22f77a4fda0d7f6567b

  • SHA256

    dca5e06a9d40af360fb67bad39089e14bdbdef3aeb243bd8ee3c5582f6ed9660

  • SHA512

    382b6d9cdd5c087ae03ef08e213568eecd37d5be4ceb86a41c6eb9d178ccab54dbb01b38b8b3b6871e8c157de79206cd1dbc2f1e19bf2a7fdba738ceb3659617

  • SSDEEP

    196608:Rxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:+7RjWtfj95dLASWyzj

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\dca5e06a9d40af360fb67bad39089e14bdbdef3aeb243bd8ee3c5582f6ed9660.exe
    "C:\Users\Admin\AppData\Local\Temp\dca5e06a9d40af360fb67bad39089e14bdbdef3aeb243bd8ee3c5582f6ed9660.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Users\Admin\AppData\Local\Temp\is-HOF2U.tmp\dca5e06a9d40af360fb67bad39089e14bdbdef3aeb243bd8ee3c5582f6ed9660.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-HOF2U.tmp\dca5e06a9d40af360fb67bad39089e14bdbdef3aeb243bd8ee3c5582f6ed9660.tmp" /SL5="$60204,7089240,121856,C:\Users\Admin\AppData\Local\Temp\dca5e06a9d40af360fb67bad39089e14bdbdef3aeb243bd8ee3c5582f6ed9660.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4820
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4792
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4752
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2516
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:3772

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        2.0MB

        MD5

        e4a8032541379455f84bccfe4920d9da

        SHA1

        ab9ed80023a2c08705234d5057a4cab860d87a2b

        SHA256

        45b27c8d70b72412f6d1f3b5e08262318d1e87490bb31c4f29975e0f87e192af

        SHA512

        72468e314b80bb9b4ab658676e7f8a19062cf2c3af0fb29b06c56924d2718319669d7f8cc37959072d376aa0e4119fea6674697021816b6ce5ce1c1f7c05e03f

      • C:\Users\Admin\AppData\Local\Temp\is-HOF2U.tmp\dca5e06a9d40af360fb67bad39089e14bdbdef3aeb243bd8ee3c5582f6ed9660.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1020-158-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1020-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/2204-9-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2204-161-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2204-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/4752-183-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-177-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-206-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-160-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-203-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-164-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-165-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-168-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-171-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-174-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-178-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/4752-157-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-200-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-186-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-187-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/4752-190-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-193-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4752-196-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4792-150-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4792-151-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/4792-153-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB