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Analysis

  • max time kernel
    144s
  • max time network
    136s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12/12/2023, 08:33

General

  • Target

    f17942926de092f71466280315e30f7b689f2af5da6d63e82b95bf0241b99df9.exe

  • Size

    7.5MB

  • MD5

    c6bb97d068751169b18904fbbb8ca1d0

  • SHA1

    3fa6ac39082ddff1e9b8dbc23199d7650ac14247

  • SHA256

    f17942926de092f71466280315e30f7b689f2af5da6d63e82b95bf0241b99df9

  • SHA512

    c3612feb29d21a2810d9bb1da5fb5beaa012c7886f021be2d8483ffc853d99aefd20f8d04ce2079acf7fe440c3cf35a8549758d2e54b3d5fcea2d726dd0a53a6

  • SSDEEP

    196608:vxm58iQeIvIULCbMPJh/xL9xLB8K8eNF93FgAfMuAGErzj:7iQvfLCbM3xvLBh8eNF9VgAUuA9rzj

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\f17942926de092f71466280315e30f7b689f2af5da6d63e82b95bf0241b99df9.exe
    "C:\Users\Admin\AppData\Local\Temp\f17942926de092f71466280315e30f7b689f2af5da6d63e82b95bf0241b99df9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4496
    • C:\Users\Admin\AppData\Local\Temp\is-98UT9.tmp\f17942926de092f71466280315e30f7b689f2af5da6d63e82b95bf0241b99df9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-98UT9.tmp\f17942926de092f71466280315e30f7b689f2af5da6d63e82b95bf0241b99df9.tmp" /SL5="$90032,7631459,121856,C:\Users\Admin\AppData\Local\Temp\f17942926de092f71466280315e30f7b689f2af5da6d63e82b95bf0241b99df9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4164
        • C:\Program Files (x86)\GIFMount\gifmon.exe
          "C:\Program Files (x86)\GIFMount\gifmon.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4468
        • C:\Program Files (x86)\GIFMount\gifmon.exe
          "C:\Program Files (x86)\GIFMount\gifmon.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1296
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4696
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4140

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.6MB

        MD5

        86aac430b9906beb7ad23a6d590a8815

        SHA1

        9b7036688f9885566b2d7ca5ec46b0467adf3a84

        SHA256

        20debba44bd656fdf089ba632e93a34df9114f24aaba8c028656c33bea875a11

        SHA512

        8646d41f2fb8651c08be631f517108a2ad88749e803b17a362e99d8001761f80c132993c361f361893ccb502469aa41c0944fb96936ca7088776fce793c4fab6

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

        Filesize

        1.6MB

        MD5

        8dc1b37b9fa79e5404d640316b2f8fa7

        SHA1

        036f506ab75f66b5eebfc471c6dde638d47f747e

        SHA256

        b327e3606e0a56f0a21ff3f095a13ea99e5d23a19247f9e9794f8d3e49a7eea6

        SHA512

        35a1e04f1ecad11ed2bc68ef04afd9b8a3dcfd8dc1785b16bcb68d56e0e47ec03eb4fa56863805c4ba6cb953cfac8f7041800d007264699f6c5dff9a7d58ac46

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

        Filesize

        341KB

        MD5

        1cd6cf390b98923ca49545690925c5a7

        SHA1

        01f0c49ea5ddb1d5b9982f4d1ee3aa9175007ed4

        SHA256

        6182a096c5d62c792ef45ea5cb2d70c728fc829553c04a8d4a65d12ac73d4b3d

        SHA512

        7abbb123b3c27ff0596b3c0ef9323f14a542733bf62c9bd6e320e4cc19b98f2fd501cf7d480e961bad8b4570bc24daec394daef6ba2d0c4be7302394c3c81568

      • C:\Users\Admin\AppData\Local\Temp\is-98UT9.tmp\f17942926de092f71466280315e30f7b689f2af5da6d63e82b95bf0241b99df9.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-3EBBS.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-3EBBS.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1296-189-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-192-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/1296-211-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-208-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-204-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/1296-203-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/1296-158-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-159-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-202-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-199-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-162-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-196-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-166-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-167-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-170-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-173-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-176-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-179-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-180-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/1296-181-0x00000000009A0000-0x0000000000A3E000-memory.dmp

        Filesize

        632KB

      • memory/1296-186-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/1296-193-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/3040-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3040-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3040-10-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4468-151-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/4468-154-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/4468-155-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/4468-152-0x0000000000400000-0x0000000000669000-memory.dmp

        Filesize

        2.4MB

      • memory/4496-1-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4496-160-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB