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Analysis

  • max time kernel
    145s
  • max time network
    150s
  • 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, 08:12

General

  • Target

    b0fa63a9bbeb88dcd365812aeb09cec3d7966156391b95215dcb647833faaae6.exe

  • Size

    7.7MB

  • MD5

    c9e90a5a588eae3aff68bd5494d3133b

  • SHA1

    75a8dd87bb72f61ad3e0c1b7330cd2b1d6a01279

  • SHA256

    b0fa63a9bbeb88dcd365812aeb09cec3d7966156391b95215dcb647833faaae6

  • SHA512

    6d2b964425aea8e6c7e9257cc2cbf03c4acd70789d82075eb320727143a4c688a4491e9659b62fd1b050f8f9b15bcd9663e48740e8326207a3ad4e0607f38328

  • SSDEEP

    196608:yxm5OiKmWpAKOF9s8l+VpNoy9rYM0eaOsRzj:WiKmOvOXs8gXTkj3Oazj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 2 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\b0fa63a9bbeb88dcd365812aeb09cec3d7966156391b95215dcb647833faaae6.exe
    "C:\Users\Admin\AppData\Local\Temp\b0fa63a9bbeb88dcd365812aeb09cec3d7966156391b95215dcb647833faaae6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Users\Admin\AppData\Local\Temp\is-KIPKU.tmp\b0fa63a9bbeb88dcd365812aeb09cec3d7966156391b95215dcb647833faaae6.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KIPKU.tmp\b0fa63a9bbeb88dcd365812aeb09cec3d7966156391b95215dcb647833faaae6.tmp" /SL5="$A0172,7811335,121856,C:\Users\Admin\AppData\Local\Temp\b0fa63a9bbeb88dcd365812aeb09cec3d7966156391b95215dcb647833faaae6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1956
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3332
        • C:\Program Files (x86)\GIFMount\gifmon.exe
          "C:\Program Files (x86)\GIFMount\gifmon.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1752
        • C:\Program Files (x86)\GIFMount\gifmon.exe
          "C:\Program Files (x86)\GIFMount\gifmon.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4376
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2464
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:3748

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.4MB

        MD5

        e6850a918b1a2b892510aa48ac8ab0cc

        SHA1

        e69c2b8ff405dbbf324115a19964de018b187d2b

        SHA256

        dffb5e207f1cffaa66d11aa175cb3971af72b2a76fc564dd84d8e5c3d5b40dd9

        SHA512

        d09e911f4af2119363f8f6d26fabae7f3d1c5cbac036270bab644d3d16739f90d2346e03ee61b14bdcaccbed6feeaf3206b276c0e5ee96930a0932a151d550f2

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

        Filesize

        1.5MB

        MD5

        578c2b50ef28b5d7b52b4f43ce60288f

        SHA1

        10fb29c79213d42099b4ff812149a81b0c0bef82

        SHA256

        c6e0a80069c8e848d50e78ab24b54a95d54c85bce04bb8dc566404ffccc00775

        SHA512

        94b98ea25b930791a551c12cc306517457d4845cbf54c8b397901eb619e2e2e1a73010d6c207807941d1b254be18273af310e7f1779a68e2ee03ce9a985e715d

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

        Filesize

        704KB

        MD5

        4e8ba3df61daf20280810598e15df19e

        SHA1

        8d71e7ffed2f23ef557ee2f073564e78f84a971e

        SHA256

        400021b83dd722e43e7a9ec4426bf69ea572505d1be89174d80b0c3820e6c654

        SHA512

        8d84d3254ffcdf07a211cc76bcff7e378c9bbd3d7176e58eb23571d79afad883f3d3388c1bfdf295638146be96eca7cf5447ff53efb67881361a7e741cc5d352

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

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-KIPKU.tmp\b0fa63a9bbeb88dcd365812aeb09cec3d7966156391b95215dcb647833faaae6.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1752-154-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/1752-151-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/1752-152-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/1752-155-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/1956-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1956-7-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/1956-163-0x0000000000660000-0x0000000000661000-memory.dmp

        Filesize

        4KB

      • memory/4376-162-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-181-0x0000000000980000-0x0000000000A1E000-memory.dmp

        Filesize

        632KB

      • memory/4376-159-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-209-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-158-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-166-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-167-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-170-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-173-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-176-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-179-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-206-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-180-0x0000000000980000-0x0000000000A1E000-memory.dmp

        Filesize

        632KB

      • memory/4376-186-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-189-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-192-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-193-0x0000000000980000-0x0000000000A1E000-memory.dmp

        Filesize

        632KB

      • memory/4376-196-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-199-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4376-202-0x0000000000400000-0x000000000069B000-memory.dmp

        Filesize

        2.6MB

      • memory/4752-160-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4752-1-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB