Analysis

  • max time kernel
    147s
  • 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
    12/12/2023, 16:31

General

  • Target

    ff9db793dcad8c2aff14b64615e7c9e38e8a44839066f5a362fc6e9b2ba0f1ec.exe

  • Size

    7.1MB

  • MD5

    7a0708f92f4d73d35fe56185d124f2b4

  • SHA1

    995db7c174fe2a860da049c3a6f0a92c71c74ef9

  • SHA256

    ff9db793dcad8c2aff14b64615e7c9e38e8a44839066f5a362fc6e9b2ba0f1ec

  • SHA512

    76952ea66d3cb2b59e886db0d87e463f1fa119c84b1e7d836e8a9f681b01cfebe242a4837c2489b58a6f8ef905834e3ebf1c8995416f3608b6d57acadc1276eb

  • SSDEEP

    196608:vxm5D5YUyRe7VvZKwamjGKAVW7R+gSoASGm8PvsLMwzj:rRepZKwaS79SoASGDP0Qwzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\ff9db793dcad8c2aff14b64615e7c9e38e8a44839066f5a362fc6e9b2ba0f1ec.exe
    "C:\Users\Admin\AppData\Local\Temp\ff9db793dcad8c2aff14b64615e7c9e38e8a44839066f5a362fc6e9b2ba0f1ec.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Users\Admin\AppData\Local\Temp\is-3HH9H.tmp\ff9db793dcad8c2aff14b64615e7c9e38e8a44839066f5a362fc6e9b2ba0f1ec.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3HH9H.tmp\ff9db793dcad8c2aff14b64615e7c9e38e8a44839066f5a362fc6e9b2ba0f1ec.tmp" /SL5="$5011C,7235080,121856,C:\Users\Admin\AppData\Local\Temp\ff9db793dcad8c2aff14b64615e7c9e38e8a44839066f5a362fc6e9b2ba0f1ec.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1052
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3540
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2384
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1032
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4164

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        897KB

        MD5

        c63f1c5ed4bb67d3c38eacddd5e90a9b

        SHA1

        9ff0c5e3e6b8a73a283ae340782c94ef11968bf1

        SHA256

        433119c63ec272eaaf96984a1e43ae791fe108f706650cec0f661b6460d0e94a

        SHA512

        40b99044bd930c265df3b3f46529e75bf8e07f7d238947967df9d5d3518398e95ff13e5bf19888b37221a1614e452727757de77fafd6f3ceafd4fabe2c16c9aa

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

        Filesize

        1.9MB

        MD5

        6b7ede7c9085e62e575118a834168cc3

        SHA1

        6fe4fcb42e1e3b85cd244faec37974fa1e1950cf

        SHA256

        dd327069d9386175d0dce952578540318d8b24d6918426d8a9b8d1bb2ff953b3

        SHA512

        5d5658ceebe7fca7bc32ed9e66e0330a9c495371862ebd7aed0d559d5beb809d9a90880ae02384c1ea47ae36ce2296c6dde2d75e6e3a964556a2ce45711d1e4f

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

        Filesize

        42KB

        MD5

        f0f8f36ed744729327c1022d05bd0cad

        SHA1

        561beff04eb6f09a8850d36a76273d0d2a5ff994

        SHA256

        da24e22a59136f44e82193ba1e44e213c8af9949341d60ef35ccdb566f964006

        SHA512

        3e4660b871d9addf5fd59a7e71420fb0d6e830dfa14449792c0384d9bf55bda564e0fd276b0a1a50f43a51709c6d9bacfc0cb478d0f630c849f8317ded59d0a4

      • C:\Users\Admin\AppData\Local\Temp\is-3HH9H.tmp\ff9db793dcad8c2aff14b64615e7c9e38e8a44839066f5a362fc6e9b2ba0f1ec.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/628-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/628-158-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/2384-157-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-164-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-194-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-200-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-188-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/2384-203-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-191-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-160-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-206-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-197-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-168-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-171-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-174-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-177-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/2384-178-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-179-0x0000000000930000-0x00000000009CE000-memory.dmp

        Filesize

        632KB

      • memory/2384-184-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2384-187-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2892-161-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/2892-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2892-12-0x0000000002340000-0x0000000002341000-memory.dmp

        Filesize

        4KB

      • memory/3540-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3540-152-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3540-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3540-150-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB