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Analysis

  • max time kernel
    144s
  • max time network
    145s
  • 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, 15:23

General

  • Target

    92b329a351dffd2864667e528168197d3c8d8502d3df4c58085e829bbe3ce73e.exe

  • Size

    7.0MB

  • MD5

    b514201abe473a970c628e6c933ba83b

  • SHA1

    59da5a06e52fcc836072bc1ffeb33affbc8c73f7

  • SHA256

    92b329a351dffd2864667e528168197d3c8d8502d3df4c58085e829bbe3ce73e

  • SHA512

    fc9e556064ac8b84258ca61f162b863da45a76de5396337c406a17e9617d8e4bc3e76be58adc174a02ae33bcb30721be2dd93b40712af4832369f20377438b29

  • SSDEEP

    196608:wxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:/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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92b329a351dffd2864667e528168197d3c8d8502d3df4c58085e829bbe3ce73e.exe
    "C:\Users\Admin\AppData\Local\Temp\92b329a351dffd2864667e528168197d3c8d8502d3df4c58085e829bbe3ce73e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Users\Admin\AppData\Local\Temp\is-EMQEU.tmp\92b329a351dffd2864667e528168197d3c8d8502d3df4c58085e829bbe3ce73e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-EMQEU.tmp\92b329a351dffd2864667e528168197d3c8d8502d3df4c58085e829bbe3ce73e.tmp" /SL5="$50220,7089240,121856,C:\Users\Admin\AppData\Local\Temp\92b329a351dffd2864667e528168197d3c8d8502d3df4c58085e829bbe3ce73e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5024
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3992
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:5096
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2472
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1052
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:2984
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:1224
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1532

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.8MB

          MD5

          68acbf494a059548cb5e0677ff6516f1

          SHA1

          bc596a5336747e845cd57c23875eeea428305f7d

          SHA256

          166912bb27c6154a2941dd67cf5318f3d2bd0b06b4618c19f637f210662a7645

          SHA512

          0e49b732402078f91fe41ce09fb63ef767a5344daf429efe42c31734cb1183687a93fc9cbfdf104846703a8566171da069554f2af71ec043b78c5e0af8032d43

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

          Filesize

          1.1MB

          MD5

          3878a29b078ead82c1c54fd388ca1058

          SHA1

          877306af2c80d525fc943dae50868ad760bc873d

          SHA256

          943a67c20f340d1c7492728e96c1df7dca984ef88a1d1d0e0ff0f6488b4875c4

          SHA512

          abbb7896c8596bafd3436a378511ce00193a2346fb52fb19015b4b31415d0bef334d2c6aa70f7bebd776b6fdcc933a609ba057265c3ce1a5ee1ac200b06bfab3

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

          Filesize

          64KB

          MD5

          3b5b9121e88c83e54f51f448c055b806

          SHA1

          3b45b2c23d518e4dc624865578b71f444aa0ddb3

          SHA256

          404cf42ba30ffbeeb1ad719dd1696beb57e9323eb3e7e88cacc01959f2f8984d

          SHA512

          88d80861cd0849c0eada68a2e9f29f5f8c888bc5fcd95cf7868cc31932bb8f7af08f112aff222c75e2f433b312568088500aba499cf2731ba5c9e3e2fb5f00a2

        • C:\Users\Admin\AppData\Local\Temp\is-EMQEU.tmp\92b329a351dffd2864667e528168197d3c8d8502d3df4c58085e829bbe3ce73e.tmp

          Filesize

          687KB

          MD5

          f448d7f4b76e5c9c3a4eaff16a8b9b73

          SHA1

          31808f1ffa84c954376975b7cdb0007e6b762488

          SHA256

          7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

          SHA512

          f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

        • C:\Users\Admin\AppData\Local\Temp\is-NAR95.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-NAR95.tmp\_isetup\_isdecmp.dll

          Filesize

          19KB

          MD5

          3adaa386b671c2df3bae5b39dc093008

          SHA1

          067cf95fbdb922d81db58432c46930f86d23dded

          SHA256

          71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

          SHA512

          bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

        • memory/1532-222-0x00000227721E0000-0x00000227721E1000-memory.dmp

          Filesize

          4KB

        • memory/1532-221-0x00000227721C0000-0x00000227721C1000-memory.dmp

          Filesize

          4KB

        • memory/1532-205-0x0000022769C40000-0x0000022769C50000-memory.dmp

          Filesize

          64KB

        • memory/1532-189-0x0000022769B40000-0x0000022769B50000-memory.dmp

          Filesize

          64KB

        • memory/2472-179-0x00000000008E0000-0x000000000097E000-memory.dmp

          Filesize

          632KB

        • memory/2472-172-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2472-188-0x00000000008E0000-0x000000000097E000-memory.dmp

          Filesize

          632KB

        • memory/2472-158-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2472-187-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2472-184-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2472-161-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2472-178-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2472-165-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2472-166-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2472-169-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2472-175-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/2712-0-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2712-159-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2712-2-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/5024-162-0x00000000006A0000-0x00000000006A1000-memory.dmp

          Filesize

          4KB

        • memory/5024-160-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/5024-10-0x00000000006A0000-0x00000000006A1000-memory.dmp

          Filesize

          4KB

        • memory/5096-155-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/5096-154-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/5096-152-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB

        • memory/5096-151-0x0000000000400000-0x00000000005F7000-memory.dmp

          Filesize

          2.0MB