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Analysis

  • max time kernel
    152s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2023, 17:13

General

  • Target

    4fb45e3ecb6cfb8c2d53e026036b374495f1999e1d76fd3e514582bedb50aa7d.exe

  • Size

    7.2MB

  • MD5

    934792e7d4af5e3ce53a43e3f6ff068b

  • SHA1

    d438f3f68482afb40860113d753564f3c15ac0ec

  • SHA256

    4fb45e3ecb6cfb8c2d53e026036b374495f1999e1d76fd3e514582bedb50aa7d

  • SHA512

    495ccfb7e00f9b9299cf6a4541e6ef8c76358e439f1e510f6a1d549edd8d16a827c69d427ac34a561dc08a035f868895f645572836f69c024ba23493534154b4

  • SSDEEP

    196608:Kxm56Uu8mvAF2l3qqRHw/djqMJueNbMvn+pXnhH5RCLK5Ehezj:Lul8A3nHwljqMksY/4p5RC25qezj

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\4fb45e3ecb6cfb8c2d53e026036b374495f1999e1d76fd3e514582bedb50aa7d.exe
    "C:\Users\Admin\AppData\Local\Temp\4fb45e3ecb6cfb8c2d53e026036b374495f1999e1d76fd3e514582bedb50aa7d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Users\Admin\AppData\Local\Temp\is-GVMR3.tmp\4fb45e3ecb6cfb8c2d53e026036b374495f1999e1d76fd3e514582bedb50aa7d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-GVMR3.tmp\4fb45e3ecb6cfb8c2d53e026036b374495f1999e1d76fd3e514582bedb50aa7d.tmp" /SL5="$A0052,7260641,121856,C:\Users\Admin\AppData\Local\Temp\4fb45e3ecb6cfb8c2d53e026036b374495f1999e1d76fd3e514582bedb50aa7d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3012
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4404
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4360
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:2716
          • C:\Program Files (x86)\numGIF\numgif.exe
            "C:\Program Files (x86)\numGIF\numgif.exe" -s
            3⤵
            • Executes dropped EXE
            PID:2372

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2.1MB

        MD5

        f8e06bb22fdacad6175b636831c9f0a3

        SHA1

        7d55cec8b4bb1123428ae94809ef20262cf52c3b

        SHA256

        9294cac00ce92d95d40c031605c5b00ba32c6e9c702df8306f17e3a6ab5d283b

        SHA512

        2903858ad444a74f4bcb2daabe29e314325362fb932fd1a3e2e2b95f8fa8fad9dcbba1b6e66a6b979b0fa3117c7369045ab0db44604089d1a8022c60e5fc0d3a

      • C:\Users\Admin\AppData\Local\Temp\is-GVMR3.tmp\4fb45e3ecb6cfb8c2d53e026036b374495f1999e1d76fd3e514582bedb50aa7d.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • C:\Users\Admin\AppData\Local\Temp\is-P1T5A.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-P1T5A.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1036-158-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1036-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/2364-6-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/2364-162-0x00000000006A0000-0x00000000006A1000-memory.dmp

        Filesize

        4KB

      • memory/2364-159-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/2372-188-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-178-0x0000000000920000-0x00000000009BE000-memory.dmp

        Filesize

        632KB

      • memory/2372-210-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-207-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-160-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-203-0x0000000000920000-0x00000000009BE000-memory.dmp

        Filesize

        632KB

      • memory/2372-165-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-166-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-169-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-172-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-174-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-177-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-179-0x0000000000920000-0x00000000009BE000-memory.dmp

        Filesize

        632KB

      • memory/2372-157-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-184-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-202-0x0000000000920000-0x00000000009BE000-memory.dmp

        Filesize

        632KB

      • memory/2372-190-0x0000000000920000-0x00000000009BE000-memory.dmp

        Filesize

        632KB

      • memory/2372-192-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-195-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-197-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/2372-200-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4404-150-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4404-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4404-152-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/4404-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB