Analysis

  • max time kernel
    148s
  • 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, 16:23

General

  • Target

    f5197571e142b61abc5ca014d1b19d2acd8e042cc6075fee2add448a7396355f.exe

  • Size

    7.0MB

  • MD5

    04ec8541f0dbaea1469526138bface27

  • SHA1

    0874ed6c9cb67e85b02d9c9dda0c82094e4b7e1b

  • SHA256

    f5197571e142b61abc5ca014d1b19d2acd8e042cc6075fee2add448a7396355f

  • SHA512

    6c055bdd66e72a6b0a71ab4593c9f07d116ab70a7efda41702f877f932cc354289820f0c05a051386841d568a44f53b294925fa7ac9d6cf550dcd0682b674a02

  • SSDEEP

    196608:Sxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:x7RjWtfj95dLASWyzj

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\f5197571e142b61abc5ca014d1b19d2acd8e042cc6075fee2add448a7396355f.exe
    "C:\Users\Admin\AppData\Local\Temp\f5197571e142b61abc5ca014d1b19d2acd8e042cc6075fee2add448a7396355f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\is-I7TLE.tmp\f5197571e142b61abc5ca014d1b19d2acd8e042cc6075fee2add448a7396355f.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-I7TLE.tmp\f5197571e142b61abc5ca014d1b19d2acd8e042cc6075fee2add448a7396355f.tmp" /SL5="$B0208,7089240,121856,C:\Users\Admin\AppData\Local\Temp\f5197571e142b61abc5ca014d1b19d2acd8e042cc6075fee2add448a7396355f.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:2244
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:4924
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3972
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1828
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:1332

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              2.0MB

              MD5

              e4a8032541379455f84bccfe4920d9da

              SHA1

              ab9ed80023a2c08705234d5057a4cab860d87a2b

              SHA256

              45b27c8d70b72412f6d1f3b5e08262318d1e87490bb31c4f29975e0f87e192af

              SHA512

              72468e314b80bb9b4ab658676e7f8a19062cf2c3af0fb29b06c56924d2718319669d7f8cc37959072d376aa0e4119fea6674697021816b6ce5ce1c1f7c05e03f

            • C:\Users\Admin\AppData\Local\Temp\is-0SB99.tmp\_isetup\_iscrypt.dll

              Filesize

              2KB

              MD5

              a69559718ab506675e907fe49deb71e9

              SHA1

              bc8f404ffdb1960b50c12ff9413c893b56f2e36f

              SHA256

              2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

              SHA512

              e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

            • C:\Users\Admin\AppData\Local\Temp\is-0SB99.tmp\_isetup\_isdecmp.dll

              Filesize

              19KB

              MD5

              3adaa386b671c2df3bae5b39dc093008

              SHA1

              067cf95fbdb922d81db58432c46930f86d23dded

              SHA256

              71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

              SHA512

              bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

            • C:\Users\Admin\AppData\Local\Temp\is-I7TLE.tmp\f5197571e142b61abc5ca014d1b19d2acd8e042cc6075fee2add448a7396355f.tmp

              Filesize

              687KB

              MD5

              f448d7f4b76e5c9c3a4eaff16a8b9b73

              SHA1

              31808f1ffa84c954376975b7cdb0007e6b762488

              SHA256

              7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

              SHA512

              f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

            • memory/1464-10-0x0000000000760000-0x0000000000761000-memory.dmp

              Filesize

              4KB

            • memory/1464-163-0x0000000000760000-0x0000000000761000-memory.dmp

              Filesize

              4KB

            • memory/1464-161-0x0000000000400000-0x00000000004BC000-memory.dmp

              Filesize

              752KB

            • memory/3024-160-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/3024-2-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/3024-0-0x0000000000400000-0x0000000000425000-memory.dmp

              Filesize

              148KB

            • memory/3972-186-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-190-0x00000000008E0000-0x000000000097E000-memory.dmp

              Filesize

              632KB

            • memory/3972-159-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-209-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-206-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-162-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-203-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-166-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-167-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-170-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-173-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-176-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-179-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-181-0x00000000008E0000-0x000000000097E000-memory.dmp

              Filesize

              632KB

            • memory/3972-199-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-189-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-157-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-193-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/3972-196-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/4924-151-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/4924-152-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/4924-153-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB

            • memory/4924-155-0x0000000000400000-0x00000000005F7000-memory.dmp

              Filesize

              2.0MB