Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2023 10:00

General

  • Target

    bc2ec7d69679423e6eae08c6711d71e260b589b6636072a2982ace2c38afb27e.exe

  • Size

    7.1MB

  • MD5

    bc108abcdd84c443ad9dc64b64d2c693

  • SHA1

    7f9fab18f16eb2b8a692a45568abc43944dae18f

  • SHA256

    bc2ec7d69679423e6eae08c6711d71e260b589b6636072a2982ace2c38afb27e

  • SHA512

    fb7c0ad8501f2d0320e8e7772e318d4294be0bb07cbbf5a0276217114089befa694f342cd9c9a2f4de1a704c95f0a55a5b729d42a7e02aea8d3d9897ef7cd275

  • SSDEEP

    196608:0xm5m2yHfwP0h/7dxWXPGp21/saElzqrQ0POIbxwbRTL+KOzj:Ty3hjO/Gp2xsHNp0PSVTL+KOzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\bc2ec7d69679423e6eae08c6711d71e260b589b6636072a2982ace2c38afb27e.exe
    "C:\Users\Admin\AppData\Local\Temp\bc2ec7d69679423e6eae08c6711d71e260b589b6636072a2982ace2c38afb27e.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\is-50IJ7.tmp\bc2ec7d69679423e6eae08c6711d71e260b589b6636072a2982ace2c38afb27e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-50IJ7.tmp\bc2ec7d69679423e6eae08c6711d71e260b589b6636072a2982ace2c38afb27e.tmp" /SL5="$50064,7217287,121856,C:\Users\Admin\AppData\Local\Temp\bc2ec7d69679423e6eae08c6711d71e260b589b6636072a2982ace2c38afb27e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1820
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3388
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:740
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:4824
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3564
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 helpmsg 12
            4⤵
              PID:1352

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        1.5MB

        MD5

        d8d011814ab0a5e822f21b95cc3b0091

        SHA1

        dab75f02d9b2c2932fb4bbad0085161849d649a8

        SHA256

        5ac208f5bea5da8d627a7c11c4afdc7262749204552c486f83ac64cb71055401

        SHA512

        a63b6eff63587f9c03254cb54a8cbda7873face831c4c3d7d41f156d2101fe0e302ad3824e48387a4e7febad4eaca157e20461f647513e27b45cd5bef82d4e58

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

        Filesize

        1.1MB

        MD5

        9a8a6fa07c0dd0b30192396bbd38e667

        SHA1

        c1a4bd3c22c34fff8ec15e9ca0ea0ff112473d55

        SHA256

        7587584c150e530a86669b6059653c00d3cfe76dc27927edaf1e0476cbc9c73b

        SHA512

        58118f1549667840889f32f41e98ad1290c1cbb8e481ac04831a6a28b1ab2d9401841b956fe0e4b3681867ff9bc4bb877344cece1feab88f394cdf0354886af1

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

        Filesize

        286KB

        MD5

        b65ede7c23eeb4cac1caadcbaae4fde1

        SHA1

        2cce1b79e07dd506c7fa9f7228718db7195e5d7e

        SHA256

        82fa596516df064ef2b5ac089836ec4c0c1a94caff0074b62ab782dfdeee842a

        SHA512

        4ea9dc7377da816fa392aa9e4c70801218206b5c337c166fbc68f813497f27367da7c4a8b9afb8805e45a39635f6c6c6e83b5895855eb47eb8f23c74d6b5e9e8

      • C:\Users\Admin\AppData\Local\Temp\is-0PEQ6.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-0PEQ6.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-50IJ7.tmp\bc2ec7d69679423e6eae08c6711d71e260b589b6636072a2982ace2c38afb27e.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/740-154-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/740-155-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/740-152-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/740-151-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/1820-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/1820-10-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/1820-163-0x0000000000690000-0x0000000000691000-memory.dmp

        Filesize

        4KB

      • memory/1848-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1848-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1848-160-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/4824-176-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-180-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/4824-159-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-166-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-167-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-170-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-173-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-157-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-179-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-162-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-185-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-188-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-189-0x0000000000860000-0x00000000008FE000-memory.dmp

        Filesize

        632KB

      • memory/4824-192-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-195-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-198-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-201-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-204-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB

      • memory/4824-207-0x0000000000400000-0x0000000000627000-memory.dmp

        Filesize

        2.2MB