Analysis

  • max time kernel
    144s
  • max time network
    135s
  • 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, 06:28

General

  • Target

    70b796bf558bbb58ae67278e0ef4aae514abef54737ec0a36d536a207c0c87ea.exe

  • Size

    7.7MB

  • MD5

    a72240bece1817cebc7ce914f7f22953

  • SHA1

    2d23a5a28a369049c7cebdc148fbf4bd5d3c1065

  • SHA256

    70b796bf558bbb58ae67278e0ef4aae514abef54737ec0a36d536a207c0c87ea

  • SHA512

    588408e59a002dd2d0a003f3901c06099e8112ff880a5a02c6b12774f56288fe7751f662323d11cc982c28397b7bb5b80c9511da3e87fea65cd3cfbee77ba88c

  • SSDEEP

    196608:pxm5Ibg23JbJIIqwrIFIl6BP2dV/7hQgyTD86VLRmx+UL0Ywzj:Ng23VJ1q5HKFMTD86VL0x+iUzj

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\70b796bf558bbb58ae67278e0ef4aae514abef54737ec0a36d536a207c0c87ea.exe
    "C:\Users\Admin\AppData\Local\Temp\70b796bf558bbb58ae67278e0ef4aae514abef54737ec0a36d536a207c0c87ea.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Users\Admin\AppData\Local\Temp\is-AN812.tmp\70b796bf558bbb58ae67278e0ef4aae514abef54737ec0a36d536a207c0c87ea.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-AN812.tmp\70b796bf558bbb58ae67278e0ef4aae514abef54737ec0a36d536a207c0c87ea.tmp" /SL5="$60202,7803294,121856,C:\Users\Admin\AppData\Local\Temp\70b796bf558bbb58ae67278e0ef4aae514abef54737ec0a36d536a207c0c87ea.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:368
        • C:\Program Files (x86)\GIFMount\gifmon.exe
          "C:\Program Files (x86)\GIFMount\gifmon.exe" -i
          3⤵
          • Executes dropped EXE
          PID:5088
        • C:\Program Files (x86)\GIFMount\gifmon.exe
          "C:\Program Files (x86)\GIFMount\gifmon.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4856
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3796
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:5068

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files (x86)\GIFMount\gifmon.exe

              Filesize

              1.6MB

              MD5

              75f3cb0c14ba864f693e6965a2b438b8

              SHA1

              52468b53b85f766392dd7b927c4f4dd74310e7c6

              SHA256

              4eb2ceea8dd9f3c3de17aeeceddc50c4d28b508a88a4aa09413280a41d066467

              SHA512

              e1c013d8b0f75a3d17c44e0a94bfbf4f63ea433d6903cea060ea2d64a5f0b414cae53f37667efbc6bf0b3ae9fd06f9881824f2a29d476bb6d2fe1ec81c8b3b18

            • C:\Program Files (x86)\GIFMount\gifmon.exe

              Filesize

              2.6MB

              MD5

              9d5f1237cae192494eb96a9b26871400

              SHA1

              6659999aa9962925281a2225eda3bb1abf8cb680

              SHA256

              acef758d49da505bc69cc9660941bdf724b86dc2765871336109ce41fbd1756d

              SHA512

              22278212e495d46998fe3008fee50c8b57c251c5d3382572ff1afc934a2483f2d08990671896cef84859de553526b4d8cd251841ae9df8552a63ecc708f46b29

            • C:\Program Files (x86)\GIFMount\gifmon.exe

              Filesize

              2.6MB

              MD5

              00e657c2b0c21c93c91a928145bf8865

              SHA1

              8d5dff91f49a82d72ace0abc30808780afc7bdbf

              SHA256

              1f0740064aa9a6e4906d4fba091f9647a7baf062bee1c4a0258391c815932b70

              SHA512

              98389ee4de522bca2aa1a310f42bed1c9b9abf1317899e4f732c01d728d8fb607a165e54596710f5b612351dc44e9e58da7a9459658da4d1ecbeccaca406faad

            • C:\Users\Admin\AppData\Local\Temp\is-AN812.tmp\70b796bf558bbb58ae67278e0ef4aae514abef54737ec0a36d536a207c0c87ea.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • \Users\Admin\AppData\Local\Temp\is-4SKFL.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • \Users\Admin\AppData\Local\Temp\is-4SKFL.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • memory/2224-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/2224-162-0x00000000001F0000-0x00000000001F1000-memory.dmp

              Filesize

              4KB

            • memory/2224-160-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/2584-159-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/2584-0-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/4856-185-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-178-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-156-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-208-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-161-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-205-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-165-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-166-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-169-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-172-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-175-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-158-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-180-0x00000000009B0000-0x0000000000A4E000-memory.dmp

              Filesize

              632KB

            • memory/4856-201-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-188-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-191-0x00000000009B0000-0x0000000000A4E000-memory.dmp

              Filesize

              632KB

            • memory/4856-192-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-195-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/4856-198-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/5088-150-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/5088-151-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB

            • memory/5088-154-0x0000000000400000-0x000000000069B000-memory.dmp

              Filesize

              2.6MB