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Analysis

  • max time kernel
    150s
  • max time network
    138s
  • 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, 15:12

General

  • Target

    3a4747ca0698e215af7c9a51184634fb9422cec1a65f10ddf4a4d437fca86c44.exe

  • Size

    7.0MB

  • MD5

    eb0eba98a87b2da1449e4b655a93083f

  • SHA1

    e997e17e73a702d5be7eaea87331400b6668a542

  • SHA256

    3a4747ca0698e215af7c9a51184634fb9422cec1a65f10ddf4a4d437fca86c44

  • SHA512

    0ec0c98220e546c17c1174b38e24909f3d72ae5d360c5d3a866d232d6eb7aeee72560c186709647ec083c8530a6819e12a84e84c55bfb25e8bcb3f6f387e0ad3

  • SSDEEP

    196608:Wxm5Z7xPjWtYOkdHWd1V3GaO4TwWHvzASW8P7Bzj:d7RjWtfj95dLASWyzj

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\3a4747ca0698e215af7c9a51184634fb9422cec1a65f10ddf4a4d437fca86c44.exe
    "C:\Users\Admin\AppData\Local\Temp\3a4747ca0698e215af7c9a51184634fb9422cec1a65f10ddf4a4d437fca86c44.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\is-OSMAL.tmp\3a4747ca0698e215af7c9a51184634fb9422cec1a65f10ddf4a4d437fca86c44.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-OSMAL.tmp\3a4747ca0698e215af7c9a51184634fb9422cec1a65f10ddf4a4d437fca86c44.tmp" /SL5="$601DA,7089240,121856,C:\Users\Admin\AppData\Local\Temp\3a4747ca0698e215af7c9a51184634fb9422cec1a65f10ddf4a4d437fca86c44.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3800
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:1628
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3820
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:2988
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4256
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:4532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      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-2MKLA.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-2MKLA.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-OSMAL.tmp\3a4747ca0698e215af7c9a51184634fb9422cec1a65f10ddf4a4d437fca86c44.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/1712-158-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1712-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/2988-186-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-189-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-206-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-202-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-157-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-199-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-159-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-196-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-161-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-193-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-165-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-167-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-170-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-173-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-176-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-179-0x00000000006F0000-0x000000000078E000-memory.dmp

        Filesize

        632KB

      • memory/2988-180-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/2988-183-0x00000000006F0000-0x000000000078E000-memory.dmp

        Filesize

        632KB

      • memory/2988-191-0x00000000006F0000-0x000000000078E000-memory.dmp

        Filesize

        632KB

      • memory/3800-6-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/3800-163-0x0000000002240000-0x0000000002241000-memory.dmp

        Filesize

        4KB

      • memory/3800-160-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3820-151-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/3820-150-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/3820-154-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB

      • memory/3820-152-0x0000000000400000-0x00000000005F7000-memory.dmp

        Filesize

        2.0MB